For 12V or 24V batteries. Charging current: 20 A. Charge controller for small solar systems. Load output with low battery voltage disconnect function. Two digit seven segment display for quick and easy setting of the load output functionality, including timer setting. Three stage battery charging (bulk, absorption, float), not programmable. Load output protected against over load and short circuit. Protected against reverse polarity connection of the solar array and/or battery. Day/night timing options: see manual for details. Actual items could differ from the ones in images.