Compact and portable, the PowerPack DCP2200 rechargeable battery extends the life of your smartphone by up to one full charge. Convenient built-in Apple 30-pin connector plugs in and fits flush against the bottom of your mobile device, for easy charging.The portable design is small enough to keep with you at all times, stay charged and stay in touch. Whether in your backpack, briefcase, or purse, the DCP2200 is the perfect accessory for your mobile device.