Third Generation Solar Energy Controller Fully Automatic 12V\/24V 20A Description: Electronic protection Fully automatic operation PWM charge format (SOC) Microcontroller digital accuracy Suitable for all 12\/ 24V DC lamps Big terminals， big distance between terminals Double digital LED display， numbers equal to timer setting Temperature compensation (with external temperature sensor) Specification: Material: ABS Rated charge current: 20A Load current: 20A System voltage: 12V\/ 24V Control way: light control + time control Size: 14x8.9x4.3cm Weight: 200g Package included: 1 x Solar energy controller