Our advantages:
Reliable
Grade A cells and premium microchips ensure 500+ recharge cycles over the life of each external battery.
Compatible
Whether you need to charge your smartphone, iPhone, PSP, or iPod,
we have the right external battery and matching charging tip for you.
Convenient
PTI 5200mAh external battery packs deliver 8 hours of talk time or one full charge
to your iPhone 4 / 4S / 3G / 3GS; Add 80+ hours of audio playback or a full charge to the battery
life of most mobile phone. For those who just need a boost to get through the last hours of the
day, the PTI External Battery offer a single full charge to your smartphone in a
convenient compact package.