Maximum Power Point Tracking (MPPT) charge controllers from OutBack Power Technologies is the newest in the FLEXmax family of charge controllers from OutBack Power Technologies. This software is so efficient that it can increase your photovoltaic array power yield up to 30% when compared to non-MPPT controllers. You can expect full current rating from this device because of the active cooling (at 60 Amps) and intelligent thermal management cooling system (at 80 Amps). The ambient temperatures is as high as 104°F. All the FLEXmax Charge Controllers have revolutionary features developed by the company. Also provides support for a varying range of nominal battery voltages, and also the facility to step-down a higher voltage solar array.