This 30A Input 12/24V Solar Charger is suitable for permanent installations of lead acid, gel battery and lithium chemistry (including Li-NiCoMn & LiFePO4) solar panel systems. LEDs are provided to indicate working status - solar charge ON, load ON and battery level. Suitable for 12V or 24V systems, the charger automatically detects the connected battery voltage. Ideally suited to vehicles and simple remote power systems such as pumping stations, electric fences, remote lighting, marine applications etc. Dimensions: 132 x 69 x 28mm. Suits lead acid type batteries Suits lithium chemistry batteries, including Li-NiCoMn & LiFePO4. Display interface automatically switches Can set daytime start, night off mode System voltage automatic identification Intelligent PWM charging method Temperature compensation function Light control and time control mode Load output: battery voltage + 12V DC + 5V USB Overload, short circuit protection Reverse battery connection, under voltage protection Max charging current: 30A Max discharge current: 30A Max solar input voltage: 55V USB Output: LOAD + 12V d.c. 2A + 5V 2A USB No-load loss: 10mA Temperature compensationL -3mV/cell/C Working Temperature: -20C ~ 60C Dimensions: 132 x 69 x 28mm Lead Acid Charging Parameters 12V/24V Nominal input voltage: 12V/24V PV charge cut-off voltage: 14.5V/29V Battery discharge cut-off voltage: 10.5V/21V Recovery discharge voltage: 12V/24V Ternary Lithium Charging Parameters 12V/24V Nominal input voltage: 11.1V/22.2V PV charge cut-off voltage: 12.6V/25.2V Battery discharge cut-off voltage: 9V/18V Recovery discharge voltage: 11.1V/22.2V Lithium-Iron Phosphate Charging Parameters 12V/24V Nominal input voltage: 12.8V/22.2V PV charge cut-off voltage: 14.6V/29.2V Battery discharge cut-off voltage: 11.2V/22.4V Recovery discharge voltage: 12.8V/25.6V