Pack of 5pcs 3.7V 501012 40mAh LiPo Battery Polymer Rechargeable Lithium Batteries Set for Earphone Headphones
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Product description
- 501012 40mAh 3.7V earphone and lamp battery, providing reliable power for your devices.
- Stable output of 7V voltages, ensuring stability and safety.
- With multiple protections such as overvoltages, overcurrent, shortcircuit, overcharging, etc.
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