1. Voltage charging voltage 21V. Single cell charging voltage 4.225V
2. Current Continuous discharge current 8-20A
3. Overcharge protection, overcharge single cell detection voltage 4.225V
Overcharge protection delay 1S
Overcharged single cell recovery voltage 4.125V. Overcharge protection release delay 1mS

Over-discharge protection, over-discharge single cell detection voltage 2.7V
Over discharge protection delay 1S
Over-discharge single cell recovery voltage 3V
Over discharge protection release delay 1S
Over current protection Over current detection voltage 0.1-0.2V
Overcurrent detection current 30±5A
Overcurrent detection delay 1S
Recovery status Automatic recovery
Short circuit protection Is there short circuit protection?
Short circuit detection delay 250uS
Short circuit release delay 1S
Short-circuit detection voltage 0.5V
Recovery status Automatic recovery after disconnecting the load
Temperature protection Over temperature protection temperature 70±5℃
Over temperature recovery temperature 55±5℃
Power consumption working state 25uA (25℃)
Sleep state 6uA(25℃)
Internal resistance The internal resistance of the main discharge circuit is 30±5mΩ
Temperature protection Working temperature -40℃-85℃ Relative humidity ≤75%
Storage temperature -40℃-125℃ Relative humidity ≤75%
Size Length x Width 92 x 62 (mm)
Color: green
Material: PC+Metal

Package Contents:
4 x Lithium battery protection board