USB external battery power bank 5600mAh External Backup Battery Pack with emergency portable battery for iPhone 5 4S 4 3GS, iPod; Android Smartphone Samsung Galaxy S4, S3, S2, Ace, Note 2; HTC One, One X; LG Optimus 4X HD, I7; Nokia Lumia 920 900 Google Nexus 4, Blackberry Z10, Sony Xperia Z; MP3, GPS, Camera, Game Player, and many BC96B (Wireless Phone Accessory)
The lamp can be useful, the battery will gradually discharge itself in a short time when it is full to the base and no one touched. An internal component to the battery has won all alone while I have used 2 small time .. result in a product with an a