Feature: 1.The BMS 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, 2.charge and discharge current and ambient temperature of each battery Stable various protective functions for charging and discharging, such as overcharge protection over-discharge protection and short circuit protection. 3.Low power consumption,the working current is about 25uA and quiescent current is about 6uA. Choosing the correct protection board and applying it appropriately is vital to the longevity your batteries 4.Charge Voltage: 21V Single Cell Charge Voltage 4.25V Current Continuous Discharge Current 8-20A Overcharge Protection Overcharge Single Cell Detection Voltage 4.25V Specifications: Name: Battery Plastic Case Type:10 cores/15 cores/20 cores Color:as picture show Material: metal /plastic Suitable for MAKITA Power Tool Note: battery cell core is NOT INCLUDED in the kit Packing includes: 1set x battery shell Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_