Fast and Safe Charging with Lithium Battery Management - Fast and Safe Charging with Smart Lithium Battery Management IC 

Balanced Charge Extends Battery Life - Balance the characteristics of each cell in the pack and extend battery life through balanced charging 

Multiple protections ensure safe use - provide multiple protection functions, including overcharge, overdischarge, short circuit and temperature protection 

Equipped with aluminum fins to ensure fast heat dissipation - equipped with thickened aluminum fins to achieve rapid heat dissipation 

Multiple tests to ensure high quality - this product has passed load and burn-in tests to ensure quality 

Name: 20s lithium battery protection system 

Protection functions: overcharge, overdischarge, overcurrent, temperature control, balance 

Using a single battery voltage: 3.7V 

Continuous current: 150A / 100A 

Charging voltage: 55.25V 

Overcharge Protection: 

Detection voltage: 4.25V±0.05V 

Detection delay: 1s 

Release voltage: 4.15V±0.05V 

Over discharge protection: 

Detection voltage: 2.7V±0.1V 

Detection delay: 1s 

Release voltage: 3.0V±0.1V 

Overcurrent Protection: 

Detection voltage: continuous current * 2.5 times 

Detection delay: 1s 

Release condition: disconnect the load 

Voltage equalization: 

Detection voltage: Greater than 4.18V 

Release voltage: Less than 4.18V 

Current consumption: 30mA±5mA 

Short circuit protection: 

Trigger condition: external load short circuit 

Detection delay: 700us 

Release condition: disconnect the load 

Temperature control protection: 

Charging working temperature: -20°C~55°C 

Discharge working temperature: less than equal 70℃ 

Release voltage: recovery within operating temperature 

Self-consumption: 

Working power consumption: 80uA 

Sleep/overdischarge power consumption: 30uA 

size:175x68x16mm 

Material:pvc+aluminum 

colour:Blue 

Package Contents: 

1 * bms battery charging protection boarderdischarge power consumption: 30uA 

size:175x68x16mm 

Material:pvc+aluminum 

colour:Blue 

Package Contents: 

1 * bms battery charging protection board 

Only the above package content, other products are not included. 

Note: Light shooting 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.