Overview
This Polymer Lithium LiPo Rechargeable Battery (Type: Li-Ion) model 802540 from koonenda provides a nominal 3.7V and 850mAh capacity. It is a replacement battery set (Batteries Only) suitable for compact electronics such as Bluetooth headsets, beauty instruments, selfie sticks, and spray devices. Origin: Mainland China; high-concerned chemical: None.
Key Features
- Nominal voltage: 3.7V
- Nominal capacity: 850mAh
- Model number: 802540
- Type: Li-Ion (polymer LiPo), rechargeable
- Replacement Battery: Yes; Set Type: Batteries Only
- Brand: koonenda; Origin: Mainland China
- Applications: Bluetooth headset, beauty instrument, selfie stick, spray
Specifications
| Brand Name | koonenda |
|---|---|
| Model Number | 802540 |
| Type | Li-Ion |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 850mAh |
| Replacement Battery | Yes |
| Set Type | Batteries Only |
| High-concerned chemical | None |
| Origin | Mainland China |
Applications
- Bluetooth headset
- Beauty instrument
- Selfie stick
- Spray devices
What’s Included
- Batteries Only (no accessories included)
Details

850mAh 3.7V LiPo Battery, Model 802540, Voltage Stability, Low Energy Discharge, Cycle Charge, Polymer Lithium Battery

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850mAh 3.7V polymer lithium battery (model 802540), offers voltage stability, low self-discharge, and reliable cycle charging performance.




Internal structure of a 3.7V LiPo battery: positive and negative electrodes, membrane, electrolyte, aluminum plastic packaging film, insulating piece, and ear connections.

Koonenda 3.7V LiPo Battery for various electronic devices and applications
