This is 12v Battery Protection circuit which Automatically Cut Off power supply of the source battery is full and start charging again when battery is low . When the battery voltage drops to about 11.5V (low voltage adjustable settings) when the protection board will automatically charge, when the voltage reaches about 14.5V when the protective board power charger to stop charging. To achieve automatic charging, automatic power off overcharge protection function.This board uses the special voltage control IC and the automobile special-purpose relay assembly, the volume is small, the electric current is big, the shutdown voltage is accurate and stable, the protection is thoughtful, the function is complete, the performance isreliable, can let you rest assured.
Note: Support charger power: AC 220V, 5A, 1000 Watts, do not support the core of the transformer charger.