4S 4.2V Li-ion Balancer Board Balancing Full Charge Battery Balance Board Decorative Collectables The lock is preset at

The lock is preset at factory to open at 0-0-0

Fit 18mm leather

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External Antenna Applications

Suitable for use: electric guitar

4S 4.2V Li-ion Balancer Board Balancing Full Charge Battery Balance Board Decorative Collectables The lock is preset atITEM NAME: 4S 4. 2V Li ion Balancer Board Balancing Full Charge Battery Balance Board. Note: The balancing board must need BMS to use together,and the BMS is without balancing function. 4S balance board demo use. balance board should be used together with other PCM which has no balance function.