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

20000 mAh, 35 W, 35 Wh
Price in EUR including VAT
EUR1,–/1Wh
Delivered between Mon, 13.4. and Wed, 15.4.
8 pieces in stock at supplier
free shipping

Capacity2

Product details

The Swissten Voltbox Power Bank is a powerful and versatile solution for mobile energy supply. With a capacity of 20,000 mAh, it provides enough energy to charge 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 power 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 power of 35 watts for fast charging
  • High capacity of 20,000 mAh for multiple charges
  • Compact and lightweight design for easy portability.

Key specifications

USB ports
1 x USB1 x USB-C
Capacity
20000 mAh
Power capacity
35 Wh
Weight
297 g

General information

Item number
55792020
Manufacturer
Swissten
Category
Powerbanks
Manufacturer no.
22013937
Release date
10.3.2025
External links

Colour

Colour
Black
Exact colour description
Black

Power bank properties

Powerbank type
Powerbank

Connections

USB ports
1 x USB1 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 emissions
2,31 kg
Climate contribution
EUR 0,12

Product dimensions

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

Legal Notice

Product Safety

Package dimensions

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

14-day cancellation right
30-day right of return
24 Months statutory warranty
Legal concerns

Compare products

Goes with

Reviews & Ratings

Statutory warranty score

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

Source: Galaxus
  • Swissten
    Not enough data
  • 1.Skross
    0,2 %
  • 1.Voltcraft
    0,2 %
  • 3.Obal:Me
    0,5 %
  • 3.TP-Link
    0,5 %

Statutory 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: Galaxus
  • Swissten
    Not enough data
  • 1.Adata
    0 days
  • 1.Anker
    0 days
  • 1.Aukey
    0 days
  • 1.Baseus
    0 days

Return rate

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

Source: Galaxus
  • Swissten
    Not enough data
  • 1.Native Union
    0 %
  • 1.Thule
    0 %
  • 3.Awei
    0,5 %
  • 3.GreenCell
    0,5 %
Source: Galaxus