... Low power High Capacity of Li-polymer battery. Providing long and stable battery life, high safetyBuilt-in strong MCU,super Low ... .Excellent protect from:over charge,over discharging,over current and short circuitAutomatic control for fullly charge,make it safe ... for nearly all kind of mobile phones and digital products with USB connectorsuch asiPod,GPS,Digital Frame,Video Camera,PSP,iPod,MP3,MP4 ...