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CR's experts pick the best portable solar panels and battery chargers to power devices like phones and laptops, plus back-up batteries and power stations.
The good news is that Amazon is selling one at 53% off: The Voltset 20W, 12V Solar Battery Trickle Charger Kit is now just ...
We've tested and reviewed products since 1936. Read CR's review of the BioLite Solar Panel 10+ Foldable 10W Panel with Battery portable charger to find out if it's worth it.