Compare

Peak Power

50 Watt

90 Watt

Maximum power voltage

20V

17.5V

Maximum power current

2.5A

5.14A

Open circuit voltage

22.42V

21V

Short circuit current

3.76A

5.65A

Power allowance range

+/-5%

+/-5%

Net Weight

1.8kgs/4 lbs

2kgs/4.4 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