Akiko 9000mAh Ultra Slim Premium External Battery Pack Charger Powerbank with Dual USB Port (2.1A/ 1.5A Output) -Retail Packaging - White Shape: Compact design, super portable, easy to hold in your hand and put anywhere your want, e.g. a pocket or bag | Dual charging USB ports lets you charge up to two devices simultaneously 9000 mAh rechargeable power capacity, giving your phone enough juice to keep it running (3-4 full charges to your iPhone 5 or 2-3 charges for Samsung Galaxy S4, S3)| Dual USB output: Charge two smartphones or an iPad at full speed (USB Output 1: 5V 2.1A, USB Output 2: 5V 1.5A); advanced power lock technology with standby time of up to 6 months once fully charged Portable Charger: High capacity rechargeable power bank is perfect for power-hungry smartphones, tablets and other devices - Reliable and stable lithium polymer core ensures longer battery life supplying more than 500 charge cycles Built-in short circuit, over-charge and over-heat protection allows for safe, fast and reliable charge while on the go