Compact MPPT Solar Charge Controller for 12V and 24V Systems This MPPT solar charge controller improves charging efficiency by continuously tracking the panel maximum power point and responding quickly to changing conditions. It provides reliable battery management for a range of rechargeable battery types and is suited for home solar setups, RVs, boats, and remote installations. Key benefits Higher energy harvest: MPPT algorithm increases conversion efficiency compared with basic controllers, delivering more usable power from the same solar array. Automatic system compatibility: Automatically detects and works with 12V or 24V battery banks for straightforward installation. Broad battery support: Compatible with plumbic battery, gel batteries, maintenance plumbic battery, and lithium battery types, allowing flexible use with common solar battery chemistries. Practical outputs: Dual 5V/1A USB ports for charging small devices while the controller manages the PV to battery charging. Main specifications Item type: Solar charge controller Charging type: MPPT Rated voltage: DC 12V/24V automatic identification Maximum charging/discharging current: 40A Maximum PV open circuit voltage: 100V at lowest temperature, 92V at standard temperature of 25 C Maximum PV input power: 520W for 12V, 1040W for 24V USB output: 5V/1A x 2 Standby consumption: 50mA Operating temperature range: 20 C to +55 C Material: ABS Terminal wire gauge: 110 mm2 / 7 AWG Protection grade: IP30 Typical applications Home solar power systems for batterybacked lighting and small appliances. Recreational vehicles and boats to manage battery charging from onboard solar panels. Remote base stations or offgrid installations where efficient battery charging and low standby consumption are required. Package contents 1 x Solar charge controller 1 x User manual Notes for use Ensure PV array open circuit voltage does not exceed the specified maximum values under expected temperature conditions. Select wiring sized to the terminal wire gauge and the maximum current rating to maintain safe operation. Follow the user manual for configuration and battery type selection to ensure correct charging parameters.