3.6V NiMH Battery Pack 1100mAh (3x AAA) – Rechargeable 3-Cell Battery for RC Toys, Medical Devices & DIY Projects (SM, PH, JST, XH2.54 Plug Options)
Description
Reliable 3.6V power with your choice of connector for RC toys, medical devices, and DIY projects.
This 3.6V NiMH (Nickel-Metal Hydride) Battery Pack features three high-quality AAA cells arranged in a single row, delivering a solid 1100mAh capacity. To ensure maximum compatibility with your devices, we offer four pre-wired plug options: SM, PH, JST, and XH2.54.
Whether you are replacing a dead battery in a remote control car, repairing a portable medical device, or building a custom DIY electronics project, this NiMH pack is a direct drop-in solution. Compared to disposable alkaline batteries, it is highly economical, eco-friendly, and can be recharged hundreds of times.
Important Sizing Note: The pack measures approx. 43mm (L) x 30mm (W) x 10mm (H). Please verify your device's battery compartment dimensions and select the correct connector type (Red wire = Positive +, Black wire = Negative -) before ordering.
Key Features
3.6V & 1100mAh Capacity: Provides stable voltage and ample runtime for small-to-medium power devices.
NiMH Chemistry: Rechargeable, eco-friendly, and free from memory effect (no need to fully discharge before charging).
4 Connector Options: Available with SM, PH, JST, or XH2.54 plugs to match various device sockets.
Compact Single-Row Layout: Three AAA cells side-by-side, measuring just 43mm x 30mm x 10mm.
Versatile Compatibility: Perfect for RC toys, medical diagnostic tools, portable lighting, and DIY electronics.
Parameters
| Parameter | Specification |
|---|---|
| Battery Type | NiMH (Nickel-Metal Hydride) |
| Nominal Voltage | 3.6V (3 cells in series) |
| Nominal Capacity | 1100mAh |
| Cell Size | AAA |
| Configuration | 3-Cell, 1-Row (Side-by-side) |
| Connector Options | SM Plug / PH Plug / JST Plug / XH2.54 Plug |
| Wiring | Red (+), Black (-) |
| Dimensions | Approx. 43mm (L) x 30mm (W) x 10mm (H) |
| Weight | Approx. 35g |
Applications
Recommended For:
RC Toys & Cars: Direct replacement for small RC vehicles and remote controllers.
Medical Devices: Suitable for portable diagnostic tools, otoscopes, and small monitors.
Portable Lighting: Compact flashlights and emergency lights.
DIY Electronics: Custom projects requiring a 3.6V rechargeable power source.
Not Recommended For:
High-Drain Devices: NiMH cells have lower discharge rates compared to Li-ion; not suitable for high-power tools.
Devices Requiring Unlisted Plugs: Please ensure your device uses one of the four connectors we offer.
Standard Alkaline-Only Devices: Ensure your device is designed for rechargeable 3.6V batteries.
FAQ
Q1: Does this battery pack come with a charger?
A: No, the charger is not included. You will need a dedicated NiMH charger compatible with 3.6V packs (or a universal smart charger).
Q2: How do I choose the right connector?
A: Please check your device's socket or the old battery's plug. We offer SM, PH, JST, and XH2.54 plugs. Compare the shapes in our product images to ensure a match.
Q3: How do I know which wire is positive and negative?
A: The red wire is positive (+) and the black wire is negative (-). Ensure correct polarity when plugging it into your device.
Q4: Does this battery have a memory effect?
A: No, NiMH batteries have a very low memory effect. However, for best longevity, it is recommended to recharge it when the device performance drops.
Q5: What is the exact size of this battery pack?
A: The pack measures approximately 43mm x 30mm x 10mm. Please ensure it fits your battery compartment.
Payment & Security
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Refund Policy
Last updated: November 3, 2026
Returns
Return eligibility depends on the items in your order.
Where returns are accepted, items must be returned in the same condition they were received, unworn or unused, with tags, and in their original packaging or as otherwise indicated in the return instructions. We may reduce your refund if the item has been used, damaged, or handled more than necessary.
Contact us to ask about return options and how to start a return.
How to start a return
Whether return or cancellation requests are accepted depends on the terms above and your rights under applicable law.
Contact us before returning an item.
Unless we state otherwise or applicable law requires otherwise, you are responsible for return shipping costs for change-of-mind returns.
Damages and issues
Please inspect your order when you receive it and contact us immediately if an item is defective or damaged, or if you received the wrong item.
Exceptions and non-returnable items
Some items may not be eligible for return, as stated in the return terms above or on the product listing, website, or in-store at the time of purchase.
Contact us if you have questions about whether a specific item can be returned.
Exchanges
Contact us to ask about exchange options before returning your item.
Refunds
We will notify you after we receive and inspect your return and let you know whether the refund was approved. If approved, you will be refunded to your original payment method, unless otherwise stated. Your bank or payment provider may need additional time to process and post the refund.
If you do not see your refund within a reasonable period of time since your refund was approved, contact us.
This policy does not limit any rights you may have under applicable consumer protection laws, including rights that may apply if goods are defective, not as described, not delivered within the required or agreed timeframe, or otherwise do not comply with applicable law.
Contact
To request a cancellation, start a return, inquire about a return, ask about an exchange or report damaged items, please contact us at support@powerpackhub.com or use the contact details in our contact information policy.