Portable power and solar generators

How Many Watts Actually Reach Your Device From a Goal Zero Nomad 10?

Published · By the SolarPanelX editors · Prices and specs as of that date, from the pages under Sources

Summary

At most 7.5 W. The Nomad 10 is rated at 10 W, but its only output is a USB port rated 5 V at up to 1.5 A. The Nomad 20's USB port goes to 2.1 A (10.5 W), and it adds an 8 mm port good for up to 20 W.

Nomad 10 and Nomad 20

Nomad 10Nomad 20
Rated power10 W20 W
USB output5 V, up to 1.5 A (7.5 W)5 V, up to 2.1 A (10.5 W)
8 mm outputNone14 to 22 V, up to 1.3 A (20 W)
Open-circuit voltage6 to 7 V18 to 22 V
Weight1.12 lb2.28 lb
Price$99.95$149.95
Warranty2 years2 years

The Nomad 10 has an open-circuit voltage of 6 to 7 V and nothing like the Nomad 20's 14 to 22 V 8 mm output. What it can do is fill small gadgets and power banks over 5 V USB.

Goal Zero's charge-time table

The Nomad 10 page lists 2.5 to 5 hours for the Flip 12, 4 to 8 for the Flip 24, 6 to 12 for the Flip 36, 4.5 to 9 for the Venture 35, 11 to 22 for the Venture 75 and 15 to 30 for the Sherpa 100PD. Every upper figure is exactly double the lower one, and a footnote says solar charge times depend on elevation, temperature, time of year, and angle and position to the sun.

The Venture 35 figure changes from page to page. The Nomad 10 page says 4.5 to 9 hours; the Venture 35's own page says "Nomad 10: 6-12 Hours." Charging the same Venture 35 from a Nomad 20 takes 4 to 8 hours according to the Nomad 20 page.

Shopping for one? Browse portable power stations →

Sources

  1. Goal Zero — Nomad 10 Solar Panel
  2. Goal Zero — Nomad 20 Solar Panel
  3. Goal Zero — Venture 35 Power Bank

We have not tested these products. Specs, prices, stock and terms are as published on these pages on the date above and can change; check the manufacturer or retailer before you buy.

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