Anker® 2nd Gen Astro Pro2 20000mAh 4-Port External Battery Portable Battery Power Bank Charger with PowerIQ Compatible with tablet, mobile phone and digital camera (Apple adapter - 30 pin and Lightning, Samsung 30 pin adapter not included)
I wanted an external battery for your device (2 tablets, 2 smartphones, external sound box, headset, electric. Cigarette batteries). It makes sense, if you are traveling and just has no outlet or in the evening on the couch if you want to put no long