Power Bank Energy 20000

Power Bank Energy 20000

Maximum flexibility and independence.
Compact, powerful and reliable 

Power Bank Energy 20000

The VARTA Energy Power Banks come in 4 different capacities ranging from 5.000 mAh up to 20.000 mAh to fit any individual energy demand. Charge 3 devices simultaneosuly with the included USB Type C and USB A ports to never run out of power again. Advanced Safety Technology and slim VARTA design makes the VARTA Energy Power Banks the perfect companion empowering flexibility and independence on the go.


  • Powerful power bank with 4 ports (1x input Micro USB, 2x output USB A, 1x bidirectional port USB Type C)
  • Gain 114 hours of additional talk time with your smartphone*
  • The suitable capacity for a high energy need
  • Technology trend: USB Type C 5 V/3 A input and output for speed charging
  • Pass-through charging: enables charging the Power Bank and your device at the same time
  • Stylish and texturized plastic design
  • Ideal for the on-the-go user: charges 3 devices at once
  • 4 white LEDs for charge & discharge indication
  • Including Micro USB charging cable
  • Using latest VARTA Advanced Safety Technology
  • VARTA brand quality ensured
*Hours based on the Samsung Galaxy S9 battery specification on samsung.com. May vary by device.


VARTA Type57978
Width78.5 mm
Height 157 mm
Depth22 mm
Weight435 g


Capacity20.000 mAh / 3.7 V
Nominal Capacity11.840 mAh / 5 V
Electrochemical systemLi-Polymer
Number of USB ports4
Input connector1x Micro USB; 1x USB Type C
Output connector2x USB A; 1x USB Type C
Additional talk time114 h


AccessoriesMicro USB cable
Compatible devicesTablet; Smartphone; Smartwatches; Other USB devices
Charging indication4 LEDs
SafetyAdvanced Safety Technology
VARTA guarantee2 years