GO BEYOND YOUR POWER: Increase your battery power with the PowerBear Galaxy S3 Extended Battery. A high capacity battery with up to 220% capacity of the standard battery for your smartphone. Replace your existing smart phone battery with a stronger, larger battery that is guaranteed to last 2.2X longer than your original battery. An excellent source of portable extra battery power, the Extended Battery for Galaxy S3 gives you the ability to Go Beyond Your Power! MAXIMIZE YOUR POWER: With the Samsung Galaxy S3 Extended Battery, you have the ability to increase your battery capacity drastically. Compared to the existing standard battery capacity of your device, you can more than double your battery power. This Samsung Galaxy S3 with Extended Battery gives your phone battery the strength it needs to last all day, and then some. Included in the packaging is an Extended Battery along with an Extended Battery Cover. EASY TO USE: This S3 Extended Battery is extremely easy to install and use. After turning off your device, just remove the back cover of your smart phone along with your current battery. Simply pop in the Extended Battery for S3 and replace your existing back cover with the PowerBear extended back cover. Now you will have access to 2.2X the power for your mobile device.

【IMPORTANT NOTE】: This external battery case just work for iPhone 8 Plus /7 Plus .Not work for iPhone 7/8 or other models ,please know that don't buy wrong size !!! Not compatible with Apple stock,wireless charge or traditional 3.5mm headphones. ONLY compatible with Apple Airpod Bluetooth headphones or any other wirelessly connected headphone accessories. 【 DOUBLE BATTERY LIFE】7000mAh Powerful rechargeable Built-in Li-polymer battery,this 7Plus 8Plus iPhone portable Charging case can effectively provide 100% extra battery life ,provides an extra 17 hours talktime, 12 hours on web browsing time ,60 hours listen music ,13 hours video,3 hours 3D gaming to your iPhone 7+/ iPhone 8+. 【SYNC AND COMPATIBILITY】This iPhone 8P/ 7P Battery Power Bank can work with Lightning Cable,You can transfer data to Macbook/PC or laptop without removing the battery charger case,100% compatible with all iOS versions and future iOS software updates,not compatible with Apple CarPlay.