... float charging auto work for battery long-life. Use temperature compensation.C High accuracy over discharging control by the discharging rate ... : LED indication of system working status of charging, overcharge,power full, power low, over-discharge,over-load,out short circuit, load ... modes: Light ON +Light OFF;Light ON +×× hour delay OFFCommon Controller; Test, etc, can be set easily . (Only for SDRC, ...