Compare

Peak Power

75 Watt

135 Watt

20 Watt

Maximum power voltage

22.5V

18V

18V

Maximum power current

3.33A

7.5A

1.11A

Open circuit voltage

26V

21.24V

20.8V

Short circuit current

3.67A

8.25A

1.22A

Power allowance range

+/-5%

+/-5%

+/-5%

Net Weight

2kgs/4.4 lbs

3kgs/6.6 lbs

1.08kg/2.4lbs

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+$79, solar panel + MPPT solar controller + $79, solar panel + vinyl decal + solar controoller + $150

20W solar panel only, 20W solarpanel + 5m extend cable (+ $20), 20W solar panel + 10A solar controller + 5m extend cable (+$40)