12V 3500mAh Rechargeable Li-ion / Li-Polymer Battery Pack
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Prices updated: 13 Oct 2026
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About this product
A rechargeable 12V lithium battery pack rated at 3500mAh, using Li-ion or Li-Polymer chemistry. It is intended for powering DIY electronics, robotics and portable equipment that needs a 12V supply from a rechargeable source. Check the pack's charging requirements and protection circuit before connecting it to a charger or load.
Specifications
- Nominal voltage
- 12V
- Capacity
- 3500mAh
- Chemistry
- Li-ion / Li-Polymer
- Type
- Rechargeable battery pack
Frequently asked questions
Can I charge it with any 12V power supply?
No. Lithium packs need a charger designed for their chemistry and cell count. A plain 12V supply can overcharge the pack and create a safety risk. Use a charger that matches the charge voltage specified for this pack.
Does the pack include over-charge and over-discharge protection?
The listing does not state this. Confirm it from the label or the manufacturer's datasheet before use, and make sure your circuit limits current to safe levels for the pack.
