ITEM NAME:1pc XY-L30A Lithium Battery Charge Controller Protection Board 6-60V LCD Display XY-L30A 6-60V LCD Display Lithium Battery Charge Discharge Controller Protection Board SPECIFICATIONS.(Suitable for: Storage Battery,Lithium battery. 11) The relay automatically turned on and off continuously and flashing light, if your charging current is too large or the battery capacity is too small.
