Compare

Peak Power

45 Watt

50 Watt

90 Watt

Maximum power voltage

18V

20V

18V

Maximum power current

2.5A

2.5A

5A

Open circuit voltage

21.24V

22.42V

21.24V

Short circuit current

2.75A

3.76A

5.5A

Power allowance range

+/-5%

+/-5%

+/-5%

Net Weight

1kgs/2.2 lbs

1.8kgs/4 lbs

2.3kgs/5 lbs

Options

solar panel only, solarpanel + vinyl decal + $59, solar panel + MPPT solar controller + $79, solar panel + vinyl decal + solar controoller + $135

solar panel only, solarpanel + vinyl decal + $59, solar panel + MPPT solar controller + $79, solar panel + vinyl decal + solar controoller + $135

solar panel only, solarpanel + vinyl decal+$59, solar panel + MPPT solar controller + $79, solar panel + vinyl decal + solar controoller + $135