The Cheero Power Plus Portable Dual USB Charger is a High capacity mobile battery charger that can fully charge an iPhone or other smartphone up to 5 times. Never worry again about your smartphone, tablet, music player, portable game player or other digital device running out of power. The cheero DANBOARD has a power Capacity of 3.7 volts 10400mAh. Keep your devices charged with cheero Power Plus 10400 DANBOARD version. The DANBOARD is a fictional cardboard box robot character comes from the famous Japanese “Yotsuba & !” comic or manga. Compatible devices: iPod, iPhone 3G/3GS/4/4S/5/6, iPad, iPad 2, new iPad, iPad mini, micro USB smartphones and USB wifi router.