Tzumi 4000 mAh Portable Battery QP

Get reliable backup power from this Tzumi PocketJuice portable charger. The dual high-speed USB ports let you charge 2 devices simultaneously, while a 4000 mAh capacity extends battery life by up to 3 extra charges. This Tzumi PocketJuice portable charger has an integrated QuickChip chipset that prevents overheating and overcharging and has a compact design for easy mobility and storage.Compatible with most USB-chargeable devices, including a wide array of cell phones, tablets and MP3 players for versatile useRubberized shell offers a durable designLED indicator lets you know a current battery statusQuickChip chipset provides protection from overcharging and overheating