{"title":"18V NMC Battery Packs (18.5V Nominal)","description":null,"products":[{"product_id":"samsung-30q-5s-18650-battery-pack-18-5v-3000mah-15a-unprotected","title":"Samsung 30Q 5S 18650 Battery Pack 18.5V (21.0V Full Charge) 3000mAh 15A High Drain – Unprotected DIY Pack for Power Tools \u0026 Projects (No BMS \/ No Wires)","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003ePower your high-voltage DIY projects with this \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSamsung 30Q 5S 18650 Battery Pack\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. Assembled from five genuine Samsung INR18650-30Q high-drain cells in a 5S series configuration, this pack delivers a nominal voltage of \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e18.5V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e (with a full charge of \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e21.0V\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 foundation for custom 18V\/21V power tools, portable power stations, robotics, and high-output lighting systems requiring a 5S Li-ion setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e CRITICAL SAFETY WARNING: This is an UNPROTECTED, BARE CELL PACK.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNo BMS Included:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e The image shows the \"Total Positive\" and \"Total Negative\" tabs only. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eYou MUST install an external 5S BMS (rated for 21V)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e for safe charging and discharging. Never use this pack without over-charge, over-discharge, and short-circuit protection. A 5S pack can reach 21.0V, which is dangerous if mishandled.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNo Wires Attached:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This pack comes with spot-welded nickel strips only. You must solder your own wires or spot-weld your connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh Voltage Risk:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 21V is significantly higher than standard 12V or 14.4V packs. Ensure your wiring, connectors, and charger are all rated for 21V. Improper handling can cause short circuit, fire, or explosion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\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 five authentic 3000mAh high-drain cells for 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=\"\"\u003e5S Series Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 5-cell series layout, ideal for fitting into custom battery compartments for 18V\/21V devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e18.5V Nominal \/ 21.0V Full Charge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Standard 5S Li-ion voltage for compatible devices. \u003c\/span\u003e\u003cem\u003e\u003cspan class=\"\"\u003e(Note: 18.5V is the industry standard category name; the true nominal voltage of 5S Li-ion is 18.0V).\u003c\/span\u003e\u003c\/em\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 Nickel Strips:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Assembled with pure nickel strips for low resistance. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNo wires or connectors are included.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eClear Polarity Markings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e The pack clearly marks the \"Total Positive\" and \"Total Negative\" tabs for easy BMS installation.\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=\"\"\u003e5S1P (5 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=\"\"\u003e18.5V (Industry Category: 18.5V)\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=\"\"\u003e21.0V\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=\"\"\u003e12.5V (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 5S 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=\"\"\u003eWires\/Connectors\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNot Included (Bare Nickel Tabs)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eEstimated Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 92mm (W) x 65mm (H) x 18.4mm (D)*\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. 230g\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 based on standard 18650 cell sizes in a linear 5-cell arrangement. Actual size may vary slightly (±1-2mm) due to nickel strip welding and heat shrink wrapping. Please allow tolerance for your battery compartment design.\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=\"\"\u003eDIY Power Tool Battery Packs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Rebuild 18V\/21V tools (drills, saws, grinders, etc.) that require a 5S pack. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMust install a 5S BMS.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePortable Power Stations:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Build your own 18.5V\/21V backup power supply (requires BMS and charging module).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRobotics \u0026amp; RC Projects:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Custom 5S battery packs for larger robots, RC cars, or drones.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Output Lighting Systems:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Custom LED lighting requiring 5S voltage.\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=\"\"\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 a proper 5S BMS. This is extremely dangerous.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStandard 12V or 14.4V Devices:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This is an 18.5V\/21.0V pack. Do not use in lower-voltage devices unless they explicitly support 5S Li-ion.\u003c\/span\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 This pack is built with 15A cells. Do not use in high-drain tools requiring 20A+ continuous.\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: Does this battery pack include a 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 The image only shows the total positive and negative nickel tabs. This is an unprotected bare cell pack. You \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003emust\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e purchase and install an external 5S BMS (rated for 21V) before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: Does it come with wires?\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 The pack only includes spot-welded nickel strips. You will need to solder your own wires or spot-weld your own connectors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: How do I charge this 5S 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 5S Li-ion charger (21.0V output) combined with a proper 5S BMS. Do not use a single-cell 4.2V charger or a lower-voltage charger.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: Is this pack safe to use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: It is safe \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eonly if\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e you install a proper BMS and follow correct wiring procedures. 21V is a high voltage. Lithium-ion packs can be dangerous if short-circuited or over-discharged. If you are not experienced with DIY battery pack assembly, we strongly advise buying a pre-assembled, protected pack instead.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: Can I use this for my 18V\/21V power tool?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eA: Yes, many 18V\/21V tools use 5S packs (18.5V nominal, 21.0V max). However, you must ensure the tool can handle the 21.0V full charge and you must install a BMS. Check your tool's specifications first.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ6: 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 dimensions are approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e92mm (width) x 65mm (height) x 18.4mm (depth)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e for a linear 5-cell arrangement. Please allow a tolerance of ±1-2mm.\u003c\/span\u003e\u003c\/p\u003e","brand":"Samsung","offers":[{"title":"Default Title","offer_id":68179031884080,"sku":"P22","price":38.89,"currency_code":"USD","in_stock":true}]}],"url":"https:\/\/powerpackhub.com\/collections\/18v-nmc-battery-packs-18-5v-nominal.oembed","provider":"My Store","version":"1.0","type":"link"}