Used to lithium iron phosphate batteries with a nominal voltage of 3.2V (4S 12V) Car -continuous current 100A, value 300A It can be used for DC electrical appliances with DC 12V, working current of 1A-300A. The output current is output according to the needs of the consumer (the battery must be to the required current) Different batches, the appearance, color, and Cable welding position may be different, which does not affect the use Colour:Random Color, 't accept the specified color :PCB Package Contents: 1 x Protection Board 1 x Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.