Amazon is offering the RAVPower Element RP-PB07 10400mAh External Battery Pack / Power Bank w/ 2x USB Ports for a good price.

This item can charge iPhones four to five times

1. Amazon Price : $35.00 Shipped

2. Use coupon code 5G9CJNPZ to get $9.50 off

Final Price : $25.50 Shipped