10 string 36V 37V 42V lithium battery power protection board Overcharge, over discharge, over current and short circuit protection Same port 16A discharge current With heat sink and 300mm cable colour:Red + silver + green Material:PC Size: approx. 63 x 32 x 10mm Package Contents: 1 * Power Protection Board Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.