INTAI IN4403000 36V 3A lead acid battery charger comes with selectable muti-stage charging algorithms to maximize system performance and improve battery life. The 36V 3 amp charger has UL/cUL1012 rating. It provides high degree of protection: reverse polarity protection, short circuit protection, output over-current protection, backfeed (reverse current) protection and bad cell detection. Warning and fault messages appear on LED when the 36V 3A lead acid battery charger shuts down as a protective measure. The 36V lead acid battery charger features the ability to be custom tailored for specific applications while providing the highest level of safety.