Boost Case iPhone 4/4S Hybrid Battery Case White

Quick Overview
Hybrid two-piece case/battery design, only attach the extra battery when you need it
Half-ounce ultra slim snap-on case for iPhone 4 & 4S (Black)
Two ounce 1900mAh detachable extended battery (Black) doubles battery life for iPhone 4 & 4S
Fully functional battery with Battery Level indication, Power On/Off, and Simultaneous Sync/Charge
CES Innovations Award Winning Design
Made for iPhone certified

boostcase Hybrid is an innovations award winning extended battery for the iPhone 4 and 4S made up of a unique two-piece design: a minimal slim-fit and lightweight protective case that can stay on the iPhone at all times and an optional snap-on extended battery pack.

boostcase Hybrid has distinct advantages over other single-piece iPhone battery extenders: first the Hybrid has a removable battery, so you only need to make space for it when you know your going to need the extra power, additionally since its modular, you can mix and match the style to your liking. Batteries are available in matte black or glossy white, while the half-ounce cases come in a variety of vibrantly attractive colors including black, white, gunmetal, yellow, blue, red-orange or peach.

The two segments of the boostcase Hybrid fit together seamlessly as if they were of one flesh, the case snaps firmly onto an iPhone 4 or 4S and has a small, pear-shaped opening on the back revealing the iconic Apple logo that also serves as a keyhole for the sliding lock on the detachable battery. The 2 ounce battery packs in a 1900mAh battery enough to double the battery life of the iPhone 4 or 4S and a fully functional set of features including power on/off, battery level indication, syncing and charging via standard micro USB (with or without iPhone connected), and is certified as Made for iPhone.