Patona Powerbank Stark 4.0 20000

20000 mAh, 22.50 W, 74 Wh
CHF0.35/1Wh
Delivered between Wed, 8.4. and Fri, 10.4.
More than 10 pieces in stock at supplier
Free shipping starting at 50.–

Product details

With its powerful 20,000 mAh (74 Wh) lithium-polymer battery and multiple fast charging outputs, it is perfect for charging smartphones, tablets, laptops, and other USB-powered devices. Its compact design and robust features make it the ideal companion for travel, work, and everyday use.

Capacity: 3.7 V / 20,000 mAh / 74 Wh
Dimensions: 14.3 x 6.9 x 2.9 cm
Weight: 410 g
Input: 1x Micro-USB 5 V/2 A, 9 V/2 A, 12 V/1.5 A
Input: 1x USB-C 5 V/3 A, 9 V/2 A, 12 V/1.5 A
Output: 2x USB-A 4.5 V/5 A, 5 V/4.5 A, 5 V/3 A, 9 V/2 A, 12 V/1.5 A (22.5 W max.)
Output: USB-C PD 5 V/3 A, 9 V/2.5 A, 12 V/1.87 A (22.5 W max)

Main features:

  • High capacity: The 20,000 mAh (74 Wh) lithium-polymer battery provides enough power for multiple charging cycles.
  • Fast charging: Supports up to 22.5 W PD (Power Delivery) via USB-C and Quick Charge 3.0 via USB-A for rapid charging.
  • Multiple outputs: Equipped with one USB-C PD output and two USB-A outputs for simultaneous charging of multiple devices.
  • Two input options: Charge the power bank via the Micro-USB or USB-C input.
  • Compact design: Portable and easy to carry.
  • LED display: A digital display that shows the remaining battery power.
  • Safe: Integrated protection against overcharging, deep discharge, short circuit, and overheating.

Key specifications

USB ports
2 x USB
Charging technology
Power DeliveryQuick Charge 3.0
Capacity
20000 mAh
Power capacity
74 Wh
Weight
410 g

General information

Item number
54942797
Manufacturer
Patona
Category
Powerbanks
Manufacturer no.
9417
Release date
25.2.2025
External links

Colour

Colour
Black
Exact colour description
Black

Power bank properties

Powerbank type
Powerbank

Connections

USB ports
2 x USB

Power supply

Battery voltage
3.70 V
Charging technology
Power DeliveryQuick Charge 3.0
Nominal power
22.50 W

Battery properties

Battery type
LiPo
Capacity
20000 mAh
Power capacity
74 Wh

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
1.69 kg
Climate contribution
CHF 0.11

Scope of delivery

Scope of delivery
Charging cable USB-C to USB-CPowerbank

Product dimensions

Length
68 mm
Width
143 mm
Height
28 mm
Weight
410 g

30-day right of return
24 Months Warranty (Bring-in)
1 additional offer

Compare products

Goes with

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
  • Patona
    Not enough data
  • 1.Skross
    0.2 %
  • 1.Voltcraft
    0.2 %
  • 3.Charmast
    0.5 %
  • 3.Obal:Me
    0.5 %

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
  • Patona
    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: Digitec Galaxus
  • 3.FreeVoice
    0.5 %
  • 3.GreenCell
    0.5 %
  • 6.Patona
    0.8 %
  • 6.XtremeMac
    0.8 %
  • 8.Intenso
    0.9 %
Source: Digitec Galaxus