Massive capacity: The massive power of gives your iPhone XS over 5 charges, your Galaxy S10 almost 5 full charges, over 4 charges for your iPhone 11, and over 2.5 charges for your iPad mini 5. Anker's proprietary PowerIQ technology combined with powerful VoltageBoost technology delivers the fastest and, thanks to the convenient trickle charge, the safest charge for almost any device. Double the power: Two USB ports give you top-speed charging for two devices at once. (The USB-C port is not designed to charge other devices).