BMS protection card for 4 batteries
Battery management system for Lithium-Ion battery, 29.6 V 20A
Protection and charge management of lithium-ion cells
Requires a 33.6v li-ion charger
Sold individually
Connection instructions:
B+ to be connected to the + of the battery
B- to connect to the - of the battery
P+ to the user output as well as the load
P- to the user output as well as the load
Dimensions: 50 x 22 x 4mm
Use current 20A
Main duties:
overload protection, short circuit protection, over current protection.
Precautions:
Before installing the protection board, you must be sure that the battery is well matched, the voltage difference between each battery should not be 0.05V
the smaller the voltage difference, the better the protection board will work.
If it is the replacement of an old electronic card, please pay attention to the proper functioning of the batteries.
During installation, use a multimeter to check the battery voltage.