Charge your device on-the-go with this powerful 20000mAh lithium-ion power bank: Quantum-20. It features 2 ultra-fast USB charging ports to charge any USB chargeable device. Quantum-20 also includes Automatic Voltage Regulation i.e. it provides an optimum output based on the device connected. Quantum-20 is compatible with all smartphones & tablets.

Features

20,000mAh Power BoostThe Promate Quantum-20 features an absolutely colossal 20,000mAh capacity, adding several full charges' worth of battery power to your smartphone

Charge Two Devices Simultaneously: An Outstanding feature of this Portable Charger is that It includes Two USB Outputs.

Automatic Voltage Regulation:Promate Quantum-20 features Smart Charging Circuitry to Provide Your Device with The Perfect Amount of Power for a Quick but Safe Charge.

Charge via Micro USB Charging Cable:Recharging the Promate Card-10 Battery Pack is extremely easy, all you have to do is connect to a computer's powered USB port or a mains USB adapter, it really is as easy as that.

High Quality with Multiple Protection Systems:Top circuit protection chip to ensure complete safety. It supports overcharging, over-voltage, over current, short-circuits and temperature protection to protect your devices.