4. Circuit Protection
The batteries are supplied with a LiFePO4 Battery Management System (BMS) that can monitor and optimized
each single prismatic cell during charge & discharge, to protect the battery pack overcharge, over discharge,
short circuit. Overall, the BMS helps to ensure safe and accurate running.
Test Item
Over-charge protection for each cell
Criterion
Content
3.90±0.04V
Over charge
Over-charge release for each cell
3.60±0.04V
Over-charge release method
Under the release voltage
Over-discharge protection for each cell
2.30±0.04V
Over discharge
Over-discharge release for each cell
2.80±0.04V
Over-discharge release method
85~115A
Discharge over current protection
40ms~3s
Over current
Protection delay time
10~40ms
Over current release method
Delay recovery after 30s
Over & Lower
Temperature
Battery over temperature
Protection @65±5°C
Release @55±5°C
Battery lower temperature
Protection @-10±5
°C
Release @-10±15
°C
www.masterbattery.es
04
MOS temperature protection
Protection @103±10
°C
Release @75±5°C
MOS restore protection
Polígono industrial La Dehesa
C/ Dehesa Vieja,nº2 Nave 16
28052 Madrid (Spain)
Tel. (+34) 918 021 649
Fax. (+34) 917 750 542
info@masterbattery.es
UE-24Li25
