Detailed Product Description 2000mAh Battery Pack for Laptop, Mp3, Mp4, iPods, PDA, Camer etc, Universal ... This battery is external and portable. When you are out for business or a trip, with this ... carry any chargers for your notebook, mobile phone, Mp3, Mp4 and other mobile device. It will release ... embarrassment that your notebook and other mobile device are out of power while AC power source for ...