Recharge devices on the go with this Anker PowerCore+ power bank. The 26,800mAh cell capacity multiplies your smartphone's battery life, and integrated PowerIQ and Voltage Boost technologies let you recharge devices quickly. This Anker PowerCore+ power bank uses Quick Charge 3.0 technology to refill the batteries of compatible devices up to 85 percent faster than standard chargers. (26,800mAh is the total of the nominal rated capacity of internal battery cells)