feelle solar power bank charger - 25000mah solar phone charger with 4 solar panels & dual 2.1a usb ports portable solar powered external battery for iphone cell phone devices feelle packing enough power to last for days, our feelle solar charger with 4 solar panels ensures you will always have a charge when you need it most. 25000mah solar usb charger can be used about 2 weeks. there is no need to worry about your phone battery running out. talk to your friends, play games, or surf the internet for as long as you want. no need to find electrical outlet when you're on business travel, going camping, etc. our solar cell phone charger can absorb more sunlight through the 4 solar panels, which means it can be recharged by the sunlight 4-5 times faster than other solar charger. it also features wall charging.the 4 solar panels are foldable, light enough, and compact enough to fit in your bag for camping, hiking and adventures.