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