AnkerDirect (100% positive feedback from 148,000+) via Amazon offers its 21W 2-Port USB Solar Charger with PowerPort Technology for $49.99 shipped. That’s $50 off the original price, down $10 from the regular going rate and a match for the lowest that we’ve seen at Amazon.

Charge your devices in nearly any situation with Anker’s 21W dual-port USB solar panel. It can leverage the power of the sun to transfer up to 24% of collected energy to your device. This model has two USB ports that can charge at speeds up to 2.4A in direct light. Anker uses a foldable design that is weather-resistant. It ships with a 18-month warranty and a microUSB cable. Anker makes some of the best power products available today and this model is no exception. Nearly 500 Amazon users have left a 4.5/5 star rating.

Hit up our smartphone accessories guide for even more deals.

When you’re out enjoying the great outdoors, enjoy another perk: free limitless power. Simply spread out the solar panels or attach to your pack to start recharging your gadgets. Industrial-strength PET plastic faced solar panels sewn into high-wear polyester canvas ensure it’s able to withstand the trials of your outdoor adventures.Short circuit and surge protection technology keep you and your devices safe. This charger is not compatible with the iPod nano, iPod Classic, iPod Shuffle, HP TouchPad and Asus tablets.

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