SUNSHINE SOLAR 1 x Single Charge Controller - 10A 12v/24v. This Sunshine Solar Controller features the latest PWM charge regulation for reliable and economical battery charge control. Bluetooth adapter required to enable Bluetooth. Features: Maximum Solar Input Power: 120 Watts @ 12V - 240 Watts @ 24 Volts. Self Consumption: 8.4mA. Four Stages: Equalization, PWM, Boost and Float. Battery Selection: Gel, Sealed, Flooded and user defined with Remote Meter. Microcontroller digital accuracy. PWM charge mode & state of charge (SOC). Fully automatic operation & electronic protections. Temperature compensation, external temperature sensor. Large terminals for up to 4mm? size wire. Dimensions: 140mm x 70mm x 38mm. Intended use: For use with solar panels up to a maximum of 10A.