PCB Battery Charging Protection Board Pen style Protection Driver Board Controller Rechargeable Circuit Board

Charge Voltage:21V Current: 8-20A Length*Width: 13*1cm(5.12*0.39in) Applicable models: Electric tools Material: ABS+metal Package Listing: 1Pc Driver Board Controller Attention: There may be differences in wiring color, base plate color, or other aspects between the actual product and the linked image, but the functions are exactly the same. If you cannot accept it, please think carefully before making the payment! Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.