Product dimension Exxample ： Solar Portable Bag PWM Solar Charge Controller Regular series Controller Parameter Battery System Voltage Max Solar Input Voltage Max Solar Input Power Light Control Voltage Max Load Output Current Operating Temperature IP Protection Controller Dimension Battery Voltages Battery Types Equalize Charge Voltage Boost Charge Voltage Float Charge Voltage Boost Charge Recovery Voltage Full-range protection Over-discharge Recovery Voltage Over-discharge Voltage Accessory List User Manual Overcharge Protection Over-discharge Protection Short-circuit Protection Reverse Protection Overheat Protection Operating Altitude Supports lithium battery charge management. Optimized structure design with PWM 3-phases charge control. Supports 12V/24V battery system, with 10A & 20A models available. 12V/24V Auto (FLD/GEL/SEL/USE) Manual (Li) Light Control Delay Time Product Features No-load Loss Rated Solar Charge Current Package Status Overload Protection Green & Solar For Life