The Boost Pac auxiliary battery pack is a battery pack for your iPhone built into an ergonomic, slim line easy-grip case doubling your iPhone's battery life. Our product is 100% Apple Corp. certified and recommended. Our Boost Pac has the longest extnded battery life on the market!

Double Your Battery Life!!

• * standby time – up to 270 hours for 3G up to 300 hours for 3GS
• * music time – up to 20 hours for 3G up to 27 hours for 3GS
• * talk time – up to 4.5 hours for 3G up to 4.5 hours for 3GS
• * video time – up to 6 hours for 3G up to 9 hours for 3GS
• * internet time – up to 4.5hours for 3G up to 8 hours for Wi-Fi Features
• * protective case with built-in rechargeable 1500 mAh lithium polymer battery.
• * smart LED charge status indicator.
• * pass-through USB charging and sync with iTunes.
• * extended smart battery and case protection.
• * intelligent charging technology instructs the iPhone to always drain the battery pack.