Bluetooth audio battery protection board

- Sep 29, 2016-

1) kitchen battery charge and discharge protection battery protection board to do poorly, unstable damage batteries and electronic equipment.

2) stable current output will not only affect sound quality, but will also cause a great deal of current sound.

Good quality battery can achieve the initial capacity after 500 80%. Poor quality battery after 100, or even less than the initial capacity of 50%.

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