ideal for solar DC lighting system intelligent control with MCU - maintains the battery in a fully charged state with functions of over-charging, over-discharging, shut-off loading and over-load protection auto-detection of wrong polarity of solar panel and battery battery voltage indicated on LCD display handles up to 30A (300W) for use with (not incl.): [product name=SOL16]SOL16[/product] optional (not incl.): extension cable [product name=SOL/SPC2]SOL/SPC2[/product] Solar input current (max.): 30A Load current (max.): 30A Solar input voltage (max.): 50V Over-charge protection: 29.0V±0.5V Over-discharge protection: 21.4V±0.5V Output voltage: 24VDC No-load current: Voltage loss charging circuit: 26.5V±0.5V Voltage loss discharging circuit: 24.0V±0.5V Operating temperature: -25°C ~ 40°C Dimensions: 160 x 95 x 40mm weight: ±350g (EN)