Swissten Power Bank Voltbox 35w 20000 Mah With Built-In Cables USB-C and Lightning Black

20000 mAh, 35 W, 35 Wh
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Product details

The Voltbox power bank from Swissten is a powerful and versatile solution for mobile energy supply. With a capacity of 20,000 mAh, it provides enough energy to recharge smartphones, tablets, and other devices multiple times. The integrated USB-C and Lightning cables allow for a direct connection to most modern devices, eliminating the need for additional cables. With a maximum output of 35 watts, devices can be charged quickly and efficiently. Its compact design and lightweight make the power bank ideal for on-the-go use, whether traveling, at the office, or during sports. The use of Li-Polymer batteries ensures high energy density and longevity, while the robust construction guarantees reliable use.

  • Integrated USB-C and Lightning cables for direct connection
  • Maximum output of 35 watts for fast charging
  • High capacity of 20,000 mAh for multiple recharges
  • Compact and lightweight design for easy portability.

Key specifications

USB ports
1 x USB, 1 x USB-C
Weight
297 g
Capacity
20000 mAh
Power capacity
35 Wh
Item number
55792020

General information

Manufacturer
Swissten
Category
Powerbanks
Manufacturer no.
22013937
Release date
10.3.2025

Colour

Colour
Black
Exact colour description
Black

Power bank properties

Powerbank type
Powerbank

Connections

USB ports
1 x USB, 1 x USB-C

Power supply

Nominal power
35 W

Battery properties

Battery type
LiPo
Capacity
20000 mAh
Power capacity
35 Wh

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Length
120 mm
Width
72 mm
Height
26 mm
Weight
297 g

Package dimensions

Length
21.40 cm
Width
10.10 cm
Height
3.60 cm
Weight
348 g

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Powerbanks» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Swissten
    Not enough data
  • 1.INIU
    0.1 %
  • 2.Voltcraft
    0.2 %
  • 3.Charmast
    0.4 %
  • 3.TP-Link
    0.4 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Swissten
    Not enough data
  • 1.Adata
    0 days
  • 1.Anker
    0 days
  • 1.Ansmann
    0 days
  • 1.Aukey
    0 days

Return rate

How often is a product of this brand in the «Powerbanks» category returned?

Source: Digitec Galaxus
  • Swissten
    Not enough data
  • 1.Thule
    0 %
  • 2.Awei
    0.3 %
  • 3.Skross
    0.4 %
  • 4.GreenCell
    0.5 %
Source: Digitec Galaxus