Compare

Peak Power

140 Watt

40 Watt

Maximum power voltage

21V

18V

Maximum power current

6.66A

2.2A

Open circuit voltage

23V

24.24V

Short circuit current

7.33A

2.44A

Power allowance range

+/-5%

+/-5%

Net Weight

2.9kgs/6.4 lbs

1.1kgs/2.2 lbs

Options

solar panel only, solarpanel + vinyl decal+$69, solar panel + MPPT solar controller + $79, solar panel + vinyl decal + solar controoller + $139

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