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