Compare

Peak Power

20 Watt

80 Watt

Maximum power voltage

18V

24V

Maximum power current

1.11A

3.33A

Open circuit voltage

20.8V

27V

Short circuit current

1.22A

3.67A

Power allowance range

+/-5%

+/-5%

Net Weight

1.08kg/2.4lbs

2.5kgs/5.5 lbs

Options

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

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