... battery charging 4. 4 stages charging :Equaliaztion,PWM,Boost Float5. External Temperature compensation sensor 6. ... and Timer set, Time display use for solar street light Solar Charge Controller SCH10 TECHNOLOGY SPECS Fully digitized ... &State of Charge(SOC) battery regulation4stagescharging :Equalization,PWM,Boost FloatExternal temperaturecompensation sensorLED displayfor charging, Battery andDC ...