ALLPOWERS 10000mAh Solar Panel Charger with iSolar Technology for iPhone, iPad, Samsung and other 5V USB devicesALLPOWERS Direct via Amazon offers its 10,000mAh Solar Panel Charger for $16.99, but if you use coupon code RHJW8P8V the price drops to $11.04 Prime shipped. That's nearly $6 off the regular sale price and the lowest it's been offered at Amazon. 

Fully charged, this dual-port power bank can juice up the iPhone 6 three times and it has 4 LED lights that show you the battery level. Rated 3.5/5 stars by over 500 Amazon shoppers. 

ALLPOWERS 10000mAh Solar Panel Charger with iSolar Technology for iPhone, iPad, Samsung