usb charging

Sol Sol Solar Hat Review: Measured 20W Charging Performance

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Most people buy solar wearables expecting free power on the go. In reality, tiny panels give you a slow trickle, not a wall outlet. The good news is a trickle can still be useful if you use it right and set your expectations. We took the Sol Sol solar hat into real sun, shade, and … Read more

Solarbox Speaker Review: Specs, Solar/USB Charging, Battery Life

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If you like the idea of music without babysitting a charger, a solar speaker sounds perfect. The catch is small panels only add a trickle. We spent the last few weeks using the Solarbox portable solar speaker around a campsite, on the porch, and through a wet weekend to see what the panel actually buys … Read more