Lithium Battery Protection Board, DROK 14.4V/14.8V/16.8V 4-series Lithium Battery Pack Overcharge Over-discharge Over-current Short-circuit Protection Circuit Module Automatic Activation DROK 4-Series Lithium battery protection board, is suitable for 14.4V/14.8/16.8V Lithium battery pack The battery protector module has overcharge protection, over-discharge protection, short circuit protection and over-current protection With automatic activation function, automatically cancel the protection after protection conditions recovery Connection: welding, more solid; large current low resistance mos pipe makes less heat No part design on the back, can be attached to the heat sink to ensure working in large current for a long term