Jrifedptry 2 Pcs 5S 18/21V 20A Li-Ion PCM Lithium Battery Charging Protection Board PCB for 18650 Lithium Batteries Pack

Stable various protective functions for charging and discharging, such as overcharge protection, over-discharge protection and short circuit protection. Low power consumption,the working current is about 25uA and quiescent current is about 6uA. The protection board is for 5 series Li-ion batteries, mainly used for electric power tools. It uses special IC for 5S lithium batteries as processor to detect real-time voltage, charge and discharge current and ambient temperature of each battery. Choosing the correct protection board and applying it appropriately is vital to the your batteries.