Functional smart phones, tablet PCs and other digital devices become more perfect, people at the same time interested in these functions will inevitably have to worry about the battery life, because hand-held Class A digital device comes with the battery capacity is usually not too much. When the device is running low side affect the normal use of time, mobile power whenever and wherever they can always add power, favored by the majority of business people, students family, digital players, mobile phones control and other groups. To the side of the digital equipment for charging mobile power, it is not susceptible to environmental constraints, is essential for users when they go out the same backup power tools. Today we recommend fly big brand mobile power Wo Wo product PD504 PD504 product is used with a mobile power 10400mAh capacity of A + grade lithium batteries and uses intelligent quad-core CPU, making it the highest conversion rate can reach 90% At the same time it has a top speed intelligent charging function, because it is equipped with a 5V / 2A output interface, it can be more quickly to charge the phone. Wal-PD504 mobile power products used in appearance is consistent with the Macbook PC ceramics, making it not only beautiful, better bring super good grip, but also has anti-drop and anti-stress properties. Wal-PD504 mobile power product smart hibernation system, it is possible to automatically sense when charging is complete or hibernate when you forget to turn off, thereby locking the power is not lost, and with over charge, over discharge and other Yaesu protection system that allows you to rest assured use.