Polymer Li-Ion Battery 3.7V 800mAh 601718, 2-Wire
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Prices updated: 13 Oct 2026
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About this product
Single-cell polymer lithium-ion battery rated at 3.7 V and 800 mAh in a thin 18 x 17 x 6 mm pouch with a 2-wire lead. It suits small wearables, Bluetooth earphones, GPS trackers and compact IoT devices. Use it with a protection and charging circuit designed for single-cell Li-ion or LiPo cells.
Specifications
- Nominal voltage
- 3.7 V
- Capacity
- 800 mAh
- Dimensions
- 18 x 17 x 6 mm
- Chemistry
- Polymer Li-ion
- Leads
- 2-wire
Frequently asked questions
How should I charge this battery?
Use a single-cell Li-ion or LiPo charger that stops at 4.2 V. Do not charge it directly from a fixed voltage source, and use a charger module that includes protection.
Does this battery need a protection circuit?
Yes. A protection circuit guards against overcharge, over-discharge and short circuits. Use a battery board or protection module rated for a single 3.7 V lithium cell.
