... SOC) battery regulation 6.4stagescharging :Equalization,PWM,Boost Float 7.LCD display for Charging,Discharging ,Battery&Solar Panel ... forced recovery12.5V;25.0V;50V ( recovery by switch ) Charging control modePWM mode Running temperature-10°C~ ... suffix “Z” represent automatic identify system voltage level,"T” represent controller with remote monitoring. Solar Charge Controller LCD WP 30 Series