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PROMATE proVolta-21 USB Battery


PROMATE proVolta-21 USB Battery

$90.00 + GST
15% GST within NZ: $103.50



20800mAh Portable High Capacity Power Bank with 3.1A Output

With an impressive 20800mAh capacity, the Promate proVolta-21 features 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 connected device. The proVolta-21 is the ideal travelling companion, designed to be portable in size yet offering huge battery capacity.

  • Powerful Battery: proVolta-21 features a powerful 20800mAh li-Ion power bank
  • 3 Ultra-Fast USB Ports: Charge your devices via any of the 3 ultra-fast USB charging port
  • Lightweight & Portable: proVolta-21 compact and easy to carry around
  • Automatic Voltage Regulation: proVolta-21 features Automatic Voltage Regulation i.e. it provides an optimum output based on the device connected.
  • Charge Three Devices: With proVolta-21, charge three devices simultaneously
  • Compatibility: proVolta-21 is compatible with all devices supporting USB charging
  • Safe & Reliable: proVolta-21 features short-circuit & over-charging protection
  • Pass through charging to fully support charging the battery from our solar panels and solar folders and at the same time charging your device(s).

Available in either black or white, this sleek and stylish power bank is all you need to charge your smartphones and tablets. 

      Size and Weight

      Battery Capacity 20800mAh
      Battery Type Lithium Ion
      Input 5V, 1.5A (Max)
      Output 5V, 3.1A (Max)
      Input Type Micro-USB Charging Port
      Output Type Tripple USB Charging Ports
      Charging Time ~18-19 Hours



      0.440 kg


      8.2 cm (length) x  2.2 cm (width) x 15.2 cm (height)


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