Detailed Product Description 2000mAh Battery Pack for Laptop, Mp3, Mp4, iPods, PDA, Camer etc, ... &ROHS This battery is external and portable. When you are out for business or a trip, with this universal ... and few cables, you need not carry any chargers for your notebook, mobile phone, Mp3, Mp4 and other ... device are out of power while AC power source for charge is not available.Capacity: 18000mAh(3.7V ...