With a 3.7V nominal output, this 115mAh LiPo Rechargeable Battery (35x8x3.5mm) replaces degraded cells in Bluetooth headphones. Under the compact frame, lithium polymer chemistry provides stable energy for smartwatches. High humidity in BD won't compromise the sealed casing.
Key Features
- PCM Protection Circuit: Integrated board prevents overcharge and short circuits. It stops cell swelling.
- 3.5mm Profile: Minimal height for space-constrained internal electronics hardware. The cell fits slim smartwatches.
- 115mAh Capacity: Energy storage for small-form factor portable hardware. Provides hours of audio streaming.
- 4.2V Charging Limit: Standard lithium-ion charging protocol compatibility for USB devices. Matches common mobile charging circuits.
Frequently Asked Questions
How to replace bluetooth headphone battery?
Desolder the existing two-wire connection and match the polarity of the new leads. A low-heat soldering iron prevents thermal damage to the internal protection board.
Is 3.7V 115mAh battery rechargeable?
This lithium polymer cell supports multiple recharge cycles via a standard 4.2V input. The internal PCM manages voltage levels to prevent over-discharge.






























































