With an impressive 20800mAh available battery capacity, the Promate proVolta-21 ensures that your Smartphone or Tablet is powered for as long as you require. Featuring THREE ultra-fast USB charging ports so you can charge multiple devices at the same time and the Automatic Voltage
With an impressive 20800mAh available battery capacity, the Promate proVolta-21 ensures that your Smartphone or Tablet is powered for as long as you require. Featuring THREE ultra-fast USB charging ports so you can charge multiple devices at the same time and the Automatic Voltage Regulation provides an optimum output based on the device connected. The proVolta-21 is an ideal travelling companion, designed to be portable in size yet offering huge battery capacity.
Enough Power & Portable Size to Go Around:
Ultra-High Capacity of 20800mAh yet portable with built-in A+ Li-Polymer battery cells, can keep your devices running all the time.
Charge Faster, Charge Smarter:
PowerIQ amp-adjustment technology intelligently identifies your device to deliver its fastest possible charge.
Charge 3 Devices Simultaneously:
Fast charging via 3 USB ports (5V, 3.1A max), allowing for three devices simultaneous charging. They are compatible with almost all devices with an input of DC 5V.
Superior Quality for Safety:
Top circuit protection chip to ensure complete safety. It supports overcharging, over-voltage, over current, short-circuit protection and temperature protection to protect your devices.
Intelligent LED Light and LED Torch:
The four power indicators on the front show the charging status and battery level when you press the On-Off button. There is also a LED flashlight on the power bank. The lighting-up time can reach to 200 hours or more when the power bank is in full power mode. To activate the LED flashlight, double click the On-Off button.
proVolta-21 is compatible with all the key devices that include iPhones, Android smartphones, iPads, tablets, and other USB-powered devices.
For optimal use:
To ensure complete safety and best performance, we strongly recommend using your device's original cable, a third-party certified cable (such as MFI) or our included cable.
• Battery Capacity: 20800mAh
• Battery Type: Lithium Ion
• Input: 5V, 1.5A (max)
• Output: 5V, 3.1A (max)