Long Lasting Battery Technology Have peace of mind as this PA10400 Power Bank will never let your electricity bills soar too high. High energy-efficiency is a guaranty with the unique long dormant technology featured by the PA10400 Power Bank that helps reserve the battery power. And, you can charge its drained-out battery via the micro USB to standard USB cable that accompanies the PA10400 Power Bank. Powerful Lithium-Ion Battery Power Bank - White has been designed for those who use their portable devices extensively when on-the-move. The high capacity built-in 10400 mAh lithium-ion battery of this PA10400 Power Bank can supply power to your smartphone, tablet, MP3/MP4 player, laptop PC and more for repeated charging rounds. Swift Charging Capability The dual USB charging ports of the PA10400 Power Bank are enabled with rapid charging abilities to fill up the empty batteries of your devices quickly. You can charge up to two of your mobile handsets, tablets, MP3/MP4 players, notebook computers, USB memory card readers and more at the same time via the dual USB charging interfaces on this PA10400 Power Bank. There's also the intelligent power control chip and high conversion rate featured by the PA10400 Power Bank to ensure you of a safe usage and fast charging of your several electronic gadgets. Efficient Protection Features The PA10400 Power Bank comes with built-in protection features that allow you to avoid over charging/discharging, short circuits, damage from voltage surges, temperature variations and more. The innovative cabin pressure relief technology is another utilitarian design aspect that lets you keep your PA10400 Power Bank internally safeguarded. This PA10400 Power Bank has also been tested as per international standards during the manufacturing process and holds BIS FCC and UN38.3 certifications that speak about its secure and dependable operation.