5S 18V 21V 20A Li-Ion Lithium Battery Charging Protection Board Pack Circuit BMS Module for Power Tools

Features: 5S 18V 20A PCM PCB Li-ion Lithium Battery Protection Board 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 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 Choosing the correct protection board and applying it appropriately is vital to the longevity your batteries

Specification: Charge Voltage:19/21V Single Cell Charge Voltage:3.8/4.25V Continuous Discharge Current:8-20A Overcharge Single Cell Detection Voltage:3.85-4.25V Overcharge Protection Delay:1S Overcharge Single Cell Recovery Voltage:3.75-4.13V Overcharge Protection Release Delay:1mS Over-discharge Single Cell Detection Voltage:2-2.8V Over-discharge Protection Delay:1S Over-discharge Single Cell Recovery Voltage:2.5-3.0V Over-discharge Protection Release Delay:100±20mS Over-current Detection Voltage:0.1-0.4V Over-current Detection Current:30±5A Over-current Detection Delay:1S Over-current Protection Recovery State:Auto Short Circuit Protection:Support Short Circuit Detection Delay:250uS Short Circuit Release Delay:1S Short Circuit Detection Voltage:0.8V Short Circuit Protection Recovery State:Auto after Disconnect Load Protection Temperature:70±5℃ Recovery Temperature:55±5℃ Power Consumption: -Working State:25uA (25℃) -Stand-by State:6uA(25℃) Discharge Main Circuit Internal Resistance:30±5mΩ Operating Temperature:-40℃-85℃ RH≤75% Store Temperature:-40℃-125℃ RH≤75% Size: approx. 46*40mm/1.81*1.57" (L*W)

Package: 1 x Protection Board