1,used for 60v lead acid battery 2,constant charging voltage 74v 3,out put power 740w 4,CE/UL certificate available 1, In put range 220 VAC, frequency range 43HZ~60HZ.2, Short-circuit protection available.3, using high-tec CPU, providing high intelligent charging stages.4, with high efficiency 85%. Main characteristics and parameters constant charging current10Afloat charging voltage74v switch ...