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Replaces failed cells in smartwatches and Bluetooth headphones. Within the 20x25x6mm frame, this 3.7V 600mAh LiPo battery maintains stable power output. High energy density keeps weight under 6g for wearable comfort.
Key Features
- PCM Protection Circuit: Built-in hardware prevents overcharging at 4.25V and deep discharge at 2.4V. Stops cell swelling when charging during BD humidity spikes.
- 600mAh Density: Lithium polymer chemistry stores high capacity in a 20x25x6mm volume. Powers small electronics without adding bulk to the wrist.
- 500+ Cycles: Chemical stability survives through hundreds of full charge-discharge sequences. Retains capacity even with frequent daily recharging.
- Lightweight Build: Total mass stays between 4-6g for minimal device impact. Won't affect the balance of lightweight headsets or wearables.
Frequently Asked Questions
Which battery is used in Bluetooth headphones?
Most headphones use 3.7V LiPo cells with specific dimensions like 20x25x6mm. Check internal cavity space before soldering this 600mAh replacement.
How to replace smartwatch battery 3.7V?
Desolder the existing leads and connect the red and black wires to the PCB terminals. Ensure the 20x25x6mm size clears the watch casing before sealing.
