Protection board SEQURE 40A for 6S 4000mah 21700

Product detailed description

Protection board SEQURE 40A for 6S 4000mah 21700

The SEQURE 40A Protection Board is designed for 6S 4000mAh 21700 lithium batteries, providing reliable protection and ensuring optimal battery performance. This board features multiple safety functions, including overcharge, overdischarge, overcurrent, and short-circuit protection. With a maximum continuous discharge current of 40A, it effectively balances the load and extends the battery's lifespan.

Specifications:

Application: nominal voltage 3.7V ternary lithium battery, 18650, 21700 etc.
Charging Voltage: 25.2V
Max Output Current: 40A
Product Size: 88x34x3mm
Net Weight: 10.5g

Overcharge protection
Detection voltage: 4.25±0.025V
Detection delay: 1000±500ms
Release voltage: 4.15±0.05V

Over-discharge protection
Detection voltage: 2.7±0.1V
Detection delay: 1000±500ms
Release voltage: 3.0±0.1V

Balanced voltage
Detection voltage: 4.2±0.025V
Detection delay: 100±50ms
Balanced voltage: 42±5mA

Discharge overcurrent protection
Detection voltage: 100mV
Detection delay: 1000±500ms
Current protection: 70±8A

Short circuit protection
Trigger condition: external short circuit
Detection delay: 300us
Release condition: disconnect the load

Temperature control protection
Charging working temperature: can be customized
Discharge working temperature: can be customized
Release condition: recover within working temperature

Self-consumption
Work power consumption: ≦35uA
Sleep over discharge power consumption: ≦10uA
Range of working temperature: -30/+80℃

Package Includes:
1x PCB Protection Board