... which combines the dual function of the charger and battery backup, using the USB output, through the optional discharge the output ... consoles, digital cameras, DVD IPOD, IPHONE, IPAD, PDAs, MP4, MP5, the PMP, PSP and other devices with USB charging , very convenient ... devices: all devices with USB charging, machine learning, such as tablet PCs, mobile phones, the PSP, IPOD, IPHONE, iPad, MP4, PMPs, ...