The award-winning and highly popular “Just Mobile Gum PRO” (PP-08) takes away your worry about running out of power when you are out on the go. PP-08 uses standard Type A USB port as power output, so it is capable of charging your laptop, mobile phone, portable music players, GPS device, or handheld game device. Carry one powerful external battery pack for all your modern gadget charging needs. PP-08 features an ultra-high capacity of 4400 mAh, making it the best extended battery for iPhone 2G/3G/3GS. PP-08 is able to charge iPhones more than THREE times over, so you can have 3 times the standard usage time on your iPhone. Unlike most extended batteries out in the market with only 600mA or 800mA current rating, PP-08 has an electric current rating of 1 Amp (1000mA), so it can charge your iPhone to full 100% capacity and does it quickly. PP-08 is simply the best iPhone companion on the road so you have a peace of mind that your iPhone will not run out of power when you’re away from a wall jack.