Description: EPIPDB-COM series solar controller can charge two battery banks. No load terminals , can be used for RVs, Caravans, bus, boats etc. EPIPDB-COM 10A, 12/24V AUTO Ideal for off-grid solar system up to 120W, 12V or 270W, 24V. EPIPDB-COM 20A, 12/24V AUTO Ideal for off-grid solar system up to 270W, 12V or 550W, 24V. Features: Two battery charging eliminates the extra cost of two separate solar charging system. Intelligent System Optimum Control. 12/24V auto work. Battery type selection. Charging frequency optional. Remote temperature sensor optional. High efficient Series PWM charging. Local external temperature compensation. Use MOSFET as electronic switch, without any mechanical switch. Electronic protection: over charging, short circuit, battery reverse polarity protection. Specification: Rated current: EPIPDB-COM 10A(DB-10A): 10A, 20A. System voltage: 12 / 24VDC Auto work. Charge circuit voltage drop: 0.26V. Discharge circuit voltage drop: 0.15V. Self consumption: 6mA. Battery charging setting: EPIPDB-COM 10A(DB-10A): Sealed, Flooded. EPIPDB-COM 20A(DB-20A): Gel. Equalize charging voltage: EPIPDB-COM 10A(DB-10A): 14.4 V x 2/24V, 14.6V x 2/24V. EPIPDB-COM 20A(DB-20A): 14.8V x 2/24V. Boost charging voltage: EPIPDB-COM 10A(DB-10A): 14.2V x 2/24V, 14.4V x 2/24V. EPIPDB-COM 20A(DB-20A): 14.6V x 2/24V. Float charging voltage: 13.7V x 2/24V. Max. solar voltage: 30V(12V system), 55V(24V system). Battery voltage range: 8-15V(12V system), 8-30V(24V system). Self-consumption: 4mA at night, 10mA at charging. Meter bus connection: 8-pin RJ-45. Temp. compensation: -5mv/°C/2V. Working temperature: -35°C to +55°C. Humidity: 10%-90% NC. Enclosure: IP30. Terminal: 4mm 2. Dimension: 153 x 76 x 37mm. Package included: 1 x Solar Controller Charger