... 4V,2*14.4V for30mins Floatcharge13.6V, 2*13.6V Charging recovery13.2V,2*13.2V Temperaturecompensation-5mv2V Battery low12.0V, 2*12V ... voltage11.1V- 2*11.1V 13.1V,2*13.1V Over dischargeforced recovery12.5V,25.0V, ( recovery by switch ) ChargingcontrolmodeSeries PWMcharge mode & ... Sqmm wires OptionalfunctionsTime+light Control(RC),Timer set(RC-M),usefor solar street light Productsize(mm)133*19.9* ...