... Best after-services 12V/24V bike battery charger ModelSpecCV(Limited)CCTransfer/Shut off point currentWeightDimentionsOutput power(W)Lead-acidLi ... circuit, safe and reliable4transfer efficiency 90%~98%,power factor≥0.9,high efficiency5LED indicator,metal case,nice and sturdy, ... can also adjust as CC- CV- minor CC- high CV-floating charge. High quality ,12V/24V bike battery charger,made in china