battery backup for iphone 4

• Anker® Astro E4 13000mAh Dual USB Portable Charger Backup External Battery Power Bank for iPad Air, mini, iPhone 5S, 5C, 5, 4S, Galaxy S5, S4, S3, Note 3, Nexus 4, 5, 7, 10, HTC One, One 2 (M8), Droid DNA, Motorola Droid, MOTO X, LG Optimus, most other smartphones and tablets (Apple adapters 30 pin and lightning, not included) - Black

  

  Go to see$39.99

• XDPOWERS 12000mAh USB Mobile Power Bank Traveling Portable External Battery Pack Charger Backup for ipad, iphone 4 4S, iPod, Samsung Galaxy, HTC, and Most USB Devices

  

  Go to see$13.98

• Truwire Lightning Cable to USB for Apple iPhone 5 / 5C / 5S, iPad Air, iPad mini, iPod Nano (7th generation) iPod touch (5th Generation) - Best Compatible Charger Cord for Data and Syncing - Guaranteed Wire to Work with iOS7 - Fits All Aftermarket Cases and Accessories - Long (3 ft. / 0.9 m) and Portable - Original 8 Pin connector on Lightning End - Fits All USB Car Chargers

  

  Go to see$7.95

• 1900mAh Portable External Power Pack Backup Battery Charger Case for iPhone 4 4S At&t and Verizon (Purple)

  

  Go to see$2.99

• New Trent iCarrier 12000mAh Portable Dual USB Port External Battery Charger/Power Pack for Smartphones, Tablets and more (Now w/Micro-USB charge port)

  

  Go to see$37.95

• EasyAcc® 9000mAh Dual USB Output Power Bank Transformers Designed Portable Phone Charger External Battery Pack for iPhone Samsung Galaxy HTC Android Smartphone iPad Tablets Pc Gopro Google Glass - Yellow

  

  Go to see$29.99