Solar panel: 180W high efficiency solar panel; No-load voltage: DC 20.8V; Short circuit current (): 2A; Output current: 1000 mA (max); Load voltage: 12V Open circuit voltage (VOC): 18V; Output: USB,USB-C,DC5521; Voltage: 12V / 24V (car) Charging current: 10-100A; Maximum solar input: Less than 50V; Floating charging voltage: 13.7V (adjustable) Discharge stop voltage: 10.7V (adjustable); Discharge reconnection voltage: 12.6V (adjustable) Self-consumption: Less than 10mA; USB output: 5V/3A 2 x USB port; Working temperature: -35 to 60 Output current: 50A size:420x280x3mm Material:Monocrystalline silicon colour:Black Package Contents: 1 x 180W solar panel 1 x 50A controller 1 pair x alligator clips 1 x charger 4 x suction cups Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.