MPPT Solar Charge Controller offer an efficient, safe, multi-stage recharging process that prolongs battery life and assures peak performance from a solar array. Each Charge Controller allows customized battery recharging.Features:• LCD display , easy to operate on LCD screen• Multi stage charging (3-stage charging , parallel charging and equalized charging function).• Enable to charge Lithium, Gel , lead-acid battery.• Protection: PV array short circuit, PV reverse polarity, Battery reverse polarity, Over charging, Output short circuit.