TopG Super Candy 3000mAh Ultra-Compact Portable Charger Pocket-Sized External Battery Power Bank Pack with USB Wall Charger for most Smartphones and other USB-charged devices (USB AC Adapter Included) - White Battery life indicator& power button: it gives you more power on the go with 3000mAh capacity. that's enough to charge an iphone 5 fully with enough left to charge it again- more than competing battery backups at similar size or more. USB Wall Charger Module: (Recharge anywhere with TopG): its 5 volt USB wall adapter lets you plug- in anywhere in the world with automatic voltage adjustment between 110 volts and 240volts -plus built- in power conservation technology eliminates standby( vampire ) power drain when left plugged in. Plus, it doubles as an integrated way to charge the power bank without the need for cables.( requires wall socket adapters in some regions) Recharge via your computer or any powered USB source: with its two built- in USB ports (in/out) you can recharge TopG'S backup battery from any powered USB source, such as your computer, while giving you continued access to your USB port for data or use of peripheral devices TopG 's unique built -in USB lets you recharge on the road via a built-in USB port or using a USB car lighter adapter. this feature is perfect when you're on the way to the cottage or simply forgot to charge at home Charge everything together: TopG's unique design charge both its own battery backup and your mobile device together without the need for extra cables or power adapters.