{"title":"7.4V NMC Battery Packs (7.4V Nominal)","description":null,"products":[{"product_id":"samsung-30q-2s-18650-battery-pack-7-4v-3000mah-15a","title":"Samsung 30Q 2S 18650 Battery Pack - 7.4V (7.2V Nominal \/ 8.4V Full Charge) 3000mAh 15A High Drain Li-ion Pack for DIY Projects, Power Tools \u0026 Flashlights","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003ePower your custom projects with this \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSamsung 30Q 2S 18650 Battery Pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, assembled from two genuine Samsung INR18650-30Q high-drain cells in series. This pack delivers a nominal voltage of \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e7.2V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (commonly referred to in the industry as \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e7.4V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, with a full charge of \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e8.4V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e) and a robust \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3000mAh capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e15A continuous discharge\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e capability. It is the ideal power source for DIY electronics, custom power banks, portable speakers, and light-to-medium power tools that require a 2S Li-ion configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e⚠️ CRITICAL SAFETY WARNING:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This pack is built using \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eunprotected (bare) Samsung 30Q cells\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. Because these cells do not have built-in protection circuits, \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eyou MUST use an external BMS (Battery Management System)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e for both charging and discharging. Never use this pack without proper over-charge, over-discharge, and short-circuit protection. Improper use can lead to fire or explosion.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eGenuine Samsung 30Q Cells:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Built with two authentic 3000mAh high-drain cells for reliable performance and cycle life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2S Configuration (7.2V Nominal \/ 8.4V Full Charge):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Perfect for devices requiring a 2-cell series setup. \u003c\/span\u003e\u003cem\u003e\u003cspan class=\"\"\u003e(Note: 7.4V is the industry standard category name; the true nominal voltage of 2S Li-ion is 7.2V).\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3000mAh Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Retains the full capacity of a single cell in series configuration, providing ample runtime for portable devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e15A Continuous Discharge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e The 30Q is a balanced high-drain cell, capable of handling up to 15A continuous output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSpot-Welded Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Assembled with pure nickel strips for low resistance and reliable connections (spot-welded, never soldered directly to the cells).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eExternal BMS Required:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Designed for advanced users and DIY builders who will install their own protection board.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eParameters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCell Model\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eSamsung INR18650-30Q\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eConfiguration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2S1P (2 cells in series)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e7.2V (Industry Category: 7.4V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFull Charge Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e8.4V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDischarge Cut-off Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e5.0V (2.5V per cell)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3000mAh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Continuous Discharge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e15A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCell Chemistry\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eLi-ion (NMC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCell Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eUnprotected (External BMS Required)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eAssembly Method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eSpot-welded pure nickel strips\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 18.4mm x 65mm x 36.8mm (2 cells side-by-side)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 95g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRecommended For:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDIY Electronics \u0026amp; Robotics:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal for Arduino, Raspberry Pi, and custom 2S projects requiring reliable power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePortable Speakers \u0026amp; Audio Gear:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High-capacity power for Bluetooth speakers and portable amps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCustom Power Banks:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Build your own high-capacity power bank (BMS and charging module required).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eLight-to-Medium Power Tools:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Suitable for tools designed for 2S operation that draw less than 15A.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNot Recommended For:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Power Devices (\u0026gt;15A):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e The 30Q is not a 20A+ cell. Do not use in high-drain applications like heavy-duty grinders.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDirect Use Without BMS:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNever\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e use or charge this pack without an external Battery Management System.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStandard 18650 Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This is a 2S pack (approx. 7.2V), not a single 3.6V cell. Using it in a single-cell device will damage the device.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: Is this pack 7.4V or 7.2V?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: The true nominal voltage of a 2S Li-ion pack (3.6V x 2) is \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e7.2V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. However, in the battery industry, it is commonly categorized as \"7.4V\" (based on an older 3.7V standard). It charges to 8.4V maximum. Both terms refer to the same 2-cell series configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: Does this battery pack have a built-in protection board (BMS)?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNo.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e It is made from unprotected Samsung 30Q cells. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eYou must use an external BMS\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e for safe charging and discharging. Never short-circuit the pack.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: How do I charge this pack?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: You must use a charger designed for 2S Li-ion packs (8.4V output) combined with a proper BMS. Do not use a single-cell 4.2V charger.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: Can I use this pack for my power tool?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: It depends on the tool. If your tool accepts a 2S pack (7.2V\/7.4V) and draws less than 15A, it will work (with a BMS installed). For heavy-duty tools requiring \u0026gt;15A, consider a higher-drain cell.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: Can I solder wires directly to the pack?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: Never solder directly to the battery cells. The heat will damage the cells. Use a spot welder with pure nickel strips, or use pre-welded packs with leads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ6: How should I store this pack?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: Store at approximately 7.2V - 7.6V (roughly 40-50% charge) in a cool, dry place. Use non-conductive packaging to prevent short circuits.\u003c\/span\u003e\u003c\/p\u003e","brand":"Samsung","offers":[{"title":"Default Title","offer_id":68178806341936,"sku":"P17","price":19.89,"currency_code":"USD","in_stock":true}]},{"product_id":"samsung-30q-2s-18650-battery-pack-7-4v-3000mah-15a-rc","title":"Samsung 30Q 2S 18650 Li-ion Battery Pack 7.4V 3000mAh 15A High Drain for RC Cars \u0026 Drones – with JST-XH Balance Lead (T Plug \/ XT30 \/ XT60 Options)","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBuilt for RC Action with True 15A Power.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eEquip your RC models with reliable, high-drain energy using this \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSamsung 30Q 2S 18650 Li-ion Battery Pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. Assembled with two genuine Samsung INR18650-30Q cells, it delivers a nominal \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e7.4V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (8.4V full charge) and \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3000mAh capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eUnlike misleading \"10C\" labels found elsewhere, we rate this pack at its true, safe \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e15A continuous discharge\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e limit (approx. 5C), with short \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e30A peak bursts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e for aggressive throttle punches. It comes pre-wired with your choice of \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eT Plug (Deans), XT30, or XT60\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e connector, plus a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eJST-XH 3-pin balance lead\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e for safe, balanced charging. Perfect for 1\/10 RC cars, trucks, drones, and FPV models.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eGenuine Samsung 30Q Cells:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Authentic high-drain cells provide reliable performance, low internal resistance, and long cycle life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTrue 15A Continuous \/ 30A Peak:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Realistic ratings for safe, long-lasting performance. (Note: The \"10C\" label often seen in the RC industry refers to the 30A short-burst peak, not continuous output).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2S Configuration (7.4V Nominal \/ 8.4V Full Charge):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Standard 2S voltage for most 1\/10 RC cars and drones.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePre-wired with RC Connectors:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Choose from T Plug, XT30, or XT60 to match your ESC. Comes with a JST-XH balance lead for your charger.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDurable Heat Shrink Wrapping:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Compact pack with blue protective shrink wrap, designed to fit standard RC battery compartments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eParameters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCell Model\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eSamsung INR18650-30Q\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eConfiguration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2S1P (2 cells in series)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e7.4V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFull Charge Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e8.4V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDischarge Cut-off Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e5.0V (2.5V per cell)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3000mAh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Continuous Discharge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e15A (approx. 5C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Peak Discharge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e30A (short bursts)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMain Connector\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eT Plug \/ XT30 \/ XT60 (Select your option)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBalance Lead\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eJST-XH 2.54mm 3-Pin\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCell Chemistry\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eLi-ion (NMC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003ePack Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 66mm (L) x 37mm (W) x 18.4mm (H)*\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 100g (with wires)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cem\u003e\u003cspan class=\"\"\u003e*Dimensions are estimated excluding the wire length. Please allow ±1-2mm tolerance due to heat shrink wrapping.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRecommended For:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e1\/10 RC Cars \u0026amp; Trucks:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Perfect for standard 2S setups requiring a balance lead and T\/XT connectors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDrones \u0026amp; FPV Models:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Reliable power for flight controllers and motors drawing within 15A continuous.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRC Boats \u0026amp; Airplanes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Good for lightweight models requiring a 2S Li-ion pack.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDIY RC Projects:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Easy to plug and play with standard hobby chargers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNot Recommended For:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Power RC Models (\u0026gt;15A Continuous):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e For 1\/8 scale cars or high-performance drones drawing 20A+, use a dedicated high-C-rate LiPo pack (e.g., 50C+).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDevices Requiring No Balance Lead:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This pack includes a balance lead for safety; do not cut it off if you plan to use a balance charger.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: Is the discharge rate 10C or 15A? Why does the label say 10C?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: The label \"10C\" is a common RC industry shorthand for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eshort-burst peak\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (30A for a 3000mAh pack). However, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003etrue continuous discharge limit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e of the Samsung 30Q cell is 15A per cell. Since this is a 2S series pack, the continuous limit remains 15A. We rate it truthfully at \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e15A continuous \/ 30A peak\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e for safe, long-term use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: Can I charge this with a standard RC charger?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: Yes. Use a standard Li-ion\/LiPo balance charger. Set it to \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2S (7.4V)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2.0A to 3.0A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e charge current. The included JST-XH balance lead allows your charger to balance the two cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What is the difference between the T Plug, XT30, and XT60 options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: T Plug (Deans) is common for 1\/10 cars. XT30 is smaller and often used for drones or micro RC. XT60 is larger and handles more current. Choose the one that matches your ESC (Electronic Speed Controller).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: Is this a protected battery pack?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: This pack is assembled from \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eunprotected bare cells\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. It does not have an internal BMS. For RC use, your ESC and charger handle the protection. Always monitor your battery voltage and never over-discharge below 5.0V (2.5V per cell).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: What are the dimensions of this pack?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: The estimated pack dimensions are approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e66mm (Length) x 37mm (Width) x 18.4mm (Height)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, excluding the wires. Please measure your RC vehicle's battery tray to ensure fitment.\u003c\/span\u003e\u003c\/p\u003e","brand":"Samsung","offers":[{"title":"T Plug","offer_id":68179631440176,"sku":"P23","price":26.89,"currency_code":"USD","in_stock":true},{"title":"XT30","offer_id":68179631472944,"sku":"P24","price":26.89,"currency_code":"USD","in_stock":true},{"title":"XT60","offer_id":68179631505712,"sku":"P25","price":26.89,"currency_code":"USD","in_stock":true}]},{"product_id":"samsung-30q-2s-18650-battery-pack-7-4v-3000mah-balanced-bms","title":"Samsung 30Q 2S 18650 Battery Pack 7.4V 3000mAh with Balanced BMS – 4A Pre-wired with XH2.54 Connector for DIY Electronics \u0026 Devices","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSafe 7.4V power with cell balancing, ready for your DIY projects.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSamsung 30Q 2S 18650 Battery Pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e features two genuine Samsung INR18650-30Q cells connected in series (2S), delivering a nominal \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e7.4V voltage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (8.4V full charge) and a solid \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3000mAh capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eWhat sets this pack apart is its integrated \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBalanced Protection Board (BMS)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. The balancing function ensures both cells remain at the same voltage during charging, maximizing battery life and safety. The board also provides comprehensive protection against overcharge, over-discharge, over-current, and short circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003ePre-wired with a default \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eXH2.54 2-pin connector\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, it is ready to plug into your custom electronics. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Due to the protection board, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003econtinuous working current is limited to 4A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (peak 8A). This pack is designed for low-to-medium current devices requiring 7.4V, such as portable audio gear, DIY electronics, and sensors. It is \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003enot\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e intended for high-drain RC vehicles or power tools.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2S Series Configuration (7.4V):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Provides a higher 7.4V nominal voltage (8.4V full charge) for devices requiring more power than a single 3.7V cell.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBalanced Protection Board (BMS):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e The built-in balancing circuit keeps the two cells perfectly synchronized, preventing voltage drift and extending the pack's lifespan. Includes full overcharge, over-discharge, and short-circuit protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSafe 4A Continuous Current:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Specifically designed for low-to-medium current devices. (Max continuous 4A, peak startup 8A).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePre-wired \u0026amp; Plug-and-Play:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Comes with a default XH2.54 2-pin connector (red\/black leads, 8-15cm) for easy integration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompact 2-Cell Layout:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Shrink-wrapped with the side protection board, measuring approx. 66mm (H) x 36.9mm (W) x 18.4mm (D).\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eParameters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCell Model\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eSamsung INR18650-30Q (2 cells in series)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eConfiguration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2S1P (Series)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e7.4V (Full charge: 8.4V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3000mAh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eContinuous Working Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e≤ 4A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003ePeak Startup Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e≤ 8A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eProtection Board\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eYes (Balanced BMS, Overcharge, Over-discharge, Over-current, Short circuit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eConnector Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eXH2.54 2-Pin (Red + \/ Black -)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWire Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 8-15cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 18.4mm (D) x 36.9mm (W) x 66mm (H)*\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 100g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cem\u003e\u003cspan class=\"\"\u003e*Dimensions are approximate and include the protection board and heat shrink wrap. Please allow ±1-2mm tolerance.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRecommended For:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e7.4V DIY Electronics:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Perfect for audio amplifiers, portable speakers, and custom electronic circuits requiring 7.4V.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePortable Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High-capacity replacement for mini fans, radios, and devices designed for 2S Li-ion power (with a 4A limit).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCustom Power Banks:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Build a 7.4V safe power bank with built-in protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSensors \u0026amp; IoT Nodes:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Reliable 7.4V power for long-term standalone deployments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNot Recommended For:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Drain RC Models or Power Tools (\u0026gt;4A):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Do not use in RC cars, drones, or power tools that draw more than 4A continuously. The protection board will trip and cut off power.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDevices Requiring Bare Cells:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e If your device's battery tray expects a standard flat-top cell, this pre-wired pack will not fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSingle-Cell 3.7V Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Do not use this 7.4V pack in devices designed for 3.7V, as it will damage the device.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: What does \"2S\" mean and how does it differ from a single cell?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: \"2S\" means 2 cells in Series. This doubles the voltage to \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e7.4V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (8.4V full charge) while keeping the capacity at \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3000mAh\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. It is used for devices that require higher voltage than a standard single 3.7V cell.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What is a \"Balanced BMS\" and why is it important?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: A balanced BMS ensures that both cells are charged and discharged evenly. Without balancing, one cell might drift out of sync, reducing the overall lifespan and safety of the battery pack. This BMS automatically manages that balance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What is the maximum discharge current?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: Because of the protection board, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003econtinuous working current is limited to 4A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (with a peak of 8A for short startups). It is not designed for high-drain devices like RC cars or power tools.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: Can I use this for my RC car or power tool?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNo.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e RC cars and power tools typically require 15A to 30A+. The 4A limit on this protection board will cause it to shut off immediately under load.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: How do I charge this 7.4V pack?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: You must use a dedicated 2S Li-ion charger (8.4V output) or integrate it into a custom charging circuit. Do not use a single-cell 4.2V charger.\u003c\/span\u003e\u003c\/p\u003e","brand":"Samsung","offers":[{"title":"Default Title","offer_id":68180255342896,"sku":"P29","price":22.89,"currency_code":"USD","in_stock":true}]}],"url":"https:\/\/powerpackhub.com\/collections\/7-4v-nmc-battery-packs-7-4v-nominal.oembed","provider":"My Store","version":"1.0","type":"link"}