The best solar cell phone charger is one that's powerful, portable, and goes where you need it to go. Plenty of lithium-ion phone chargers meet these criteria but they are usually powered by fossil-fuel generated electricity. Plus, when the charge is gone, then you are out of luck. That's where solar cell phone chargers come in.

But not just any solar cell  phone charger will do. It needs to power your devices quickly while still being portable. That's why  GoSun is pleased to introduce the Flex, a solar cell phone charger which easily folds up and produces and incredible amount of electricity to charge all your USB devices. It can charge up your phone with its built in usb port as fast at your plug in outlet.

Here are the dimensions:

• Unfold size: 267 mm x 349 mm x 2.5 mm
• Folded size: 267 mm x 175 mm x 5 mm
• Net weight: 0.43 kg