GOLOVENLD 5Pcs/Set 501012 Rechargeable 40mAh 3.7V Battery for Bluetooth-Compatible Earphone Long Service Life
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Product description
- 501012 40mAh 3.7V earphone and lamp battery, providing power for your devices.
- 40mAh large capacity , with long sustainable use time.
- Stable output of 7V voltages, ensuring stability and .
- With multiple protections such as overvoltages, overcurrent, shortcircuit, overcharging, .
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