14 string 48V lithium battery power protection board Overcharge, over discharge, over current, short circuit and temperature protection With a balance, same port 45A discharge With heat sink and 300mm cable Specification: Continuous operating current: 45A or less Charging current: 45A or less Balanced charging: Yes Short circuit protection: Yes Nominal 3.7V batteries/ 14 strings Cable: . 300mm/ 11.81 inch Model Number: li-ion battery pcb Type: Li-Ion colour:Silver Material:Metal + plastic size:120x60x9mm Package Contents: 5 x Battery Protection Board. 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.