The solar panel does not hold a charge it produces power when it is exposed to sunlight. You can store the power it produces in a portable recharger. The Nomad 20 can be used to power any Goal Zero recharger.
The Nomad 20 can be used to power any Goal Zero recharger. For the amount of Watts it gives, it will be most effective with the Sherpa 50, Sherpa 100, Yeti 150 & Yeti 400.
It delivers up to 20 Watts of power, but the angle of the panels and the cloud coverage can impact its performance. Avoid the shade. It will not work indoors.
Solar Capacity : 20W (18-22V) | Power Output : USB 2A (10W max) | Weight : 2.5 lbs (1.1 kg) | Ideal For : Sherpa 50/100, Yeti 150/400 | Chainable : Yes | Cell Type : Monocrystalline
Charges the Following
Goal Zero Yeti 150 : 17-34 hours
Sherpa 50 v2 : 6-12 Hours
Guide 10 Plus : 2.5-5 Hours
USB Port (output) : 5V, up to 2A (10W max), regulated
Solar Port (blue, 8mm) : 14-22V, up to 1.3A (20W max)
Mini Solar Port (2.5mm) : 6.5V, up to 1.1A (7W max), regulated
Rated Power : 20W
Open Circuit Voltage : 18-22V
Cell Type : Monocrystalline
Dimensions (unfolded) : 30.5 x 13 x 1 in (77.5 x 33 x 2.5 cm)
Dimensions (folded) : 8.5 x 13 x 1 in (21.6 x 33 x 2.5 cm)
Optimal Operating Temperature : 0-120 F (-17-48 C)