Intai LiFePO4 charger 12V is designed to be used with 4 cells Lifepo4 battery pack of size 12AH or larger. The 4A battery charger 12V has been certified to the safety standards including UL1310 Class 2 Battery Charger, TUV/EN60335-1/ 2-29 and AS/NZS60335-1/ 2-29 Household and similar electrical appliances - Particular requirements for battery chargers. The 12V lifepo4 lithium battery charger effectively protects the batteries from overhearing, fire and explosion. The LFP charger is microprocessor controlled which can also be custom-made to suit your own requirements.