Winten 5200 mAh WT-P52S-RD portable external battery pack, with 1x high (5V / 800mA) USB Output for iPhone, iPod Touch / Nano, smartphone, mobile phone; red (Wireless Phone Accessory)
Had I purchased it and was immediately disappointed. Load hours the lamp said everything ok and then the disappointment. 2 mobile phones, iPod, tablet loaded for 2 minutes and that's it. Bounced!