Specifications:

Model: POW-Keeper1220 / POW-Keeper1230 / POW-Keeper1240

Rated Charge Current: 20A / 30A / 40A

System Rated Voltage: 12V/24V Auto work

Voltage Range of Battery: 8-32V

Max Open Voltage of PV Module: 55V (1220), 75V (1230), 100V (1240)

Battery Type: User default, Sealed, Flooded, GEL, LiFePO4

Equalized Charging Voltage: Maintenance-free lead acid battery 14.6V, GEL: No; Lead acid flooded battery: 14.8V

Absorption Charging Voltage: Maintenance-free lead acid battery 14.4V, GEL: 14.2; Lead acid flooded battery: 14.6V

Floating Charging Voltage: Maintenance-free lead acid battery, GEL, Lead acid flooded battery: 13.8V

Low Voltage Re-connection (LVR): Maintenance-free lead acid battery, GEL, Lead acid flooded battery: 12.6V

Low Voltage Disconnection (LVD): Maintenance-free lead acid battery, GEL, Lead acid flooded battery: 10.8V

Static Loss: <9.2mA 12V, <11.7mA 24V

High Voltage Disconnection (HVD): 16V (24V x 2)

Duration of Absorption Charging: 2 Hours

Light Control Voltage: 5V

Charge Loop Voltage Drop: <0.29V

LCD Temperature Range: -20°C ~ +70°C

Operating Temperature: -20°C ~ +55°C (To run at full-rated current continuously)

Working Humidity: <95% No condensation

Protection Class: IP30