The protection board is for 4 series Li-ion batteries, mainly used for electric power tools.
It uses special IC for 4S 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.
Choosing the correct protection board and applying it appropriately is vital to the longevity your batteries.
Charging current: 2A
Discharge current: 25A
Overcharge protection current: 7A+/-2A
Over-discharge protection current: 28A+/-3A (adjustable)
Overcharge protection voltage: 4.25V+/-25MV (any string)
Over-discharge protection voltage: 2.7V+/-80MV (any string)
Colour:green
Material:PCB
Size: 34 x 34mm
Package Contents:
1 x Battery 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.