From Manufacturer:

Anker PowerPort 5

40W 5-port USB charging hub for phones, tablets & more

Fast Charging Technology

Exclusive to Anker, Power IQ and Voltage Boost combine to ensure the fastest possible charge. (Qualcomm Quick Charge 2.0 not supported. For QC2.0 charging, please see Anker's PowerPort

From Manufacturer:

Anker PowerPort 5

40W 5-port USB charging hub for phones, tablets & more

Fast Charging Technology

Exclusive to Anker, Power IQ and Voltage Boost combine to ensure the fastest possible charge. (Qualcomm Quick Charge 2.0 not supported. For QC2.0 charging, please see Anker's PowerPort 1).

Ultra Powerful

Five ports pump out 40 watts of power,enabling simultaneous multi-device charging

High Efficiency

Awarded the highest energy efficiency rating (DOE 6) by the US Dept. of Energy.

MultiProtect Safety System

Surge protection, temperature control and more advanced safety features keep you and your devices safe.

UL Certified

Built with industry grade materials and premium circuitry, this product meets the rigorous safety standards of Underwriters Laboratories.

Super Compact

As small and light as a pack of cards, the Anker PowerPort 5 is one of the most compact multi-port USB chargers on the market.

For Optimal Use:

Use your original cable or a third-party certified one (such as MFi).

Compatible with the new 12 inches MacBook (5 hour recharge time), Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices except for the iPod nano, iPod Classic, iPod Shuffle, HP TouchPad and Asus tablets.

Note:

If a port isn't working properly, it may be because your device has triggered the protective internal safety switch. In order to reset the switch, unplug all cables (including power cable) for five minutes and retry.