4smarts Powerbank Pocket Dual Cord

20000 mAh, 22.50 W, 77 Wh
CHF0.42/1Wh
Delivered between Tue, 17.3. and Wed, 18.3.
More than 10 pieces in stock at supplier
Free shipping starting at 50.–

Capacity2

Product details

More charging, less waiting
The power bank comes with two built-in USB-C cables, an additional USB-C port, and a USB-A port. The primary cable, with a power output of up to 22.5 W, is perfect for quickly charging your smartphone and can even recharge the power bank itself if needed. The second cable is ideal for reliably powering smaller devices like TWS earbuds or your smartwatch. With the additional USB-C port, you can charge a tablet or a second smartphone simultaneously, while the USB-A port easily powers older devices or accessories like speakers or cameras. This way, you always have the right solution at hand – without any extra cable chaos.

Energy in both directions
This power bank is pass-through capable: it charges itself while simultaneously charging your smartphone or tablet. This means you no longer have to choose which device gets power first. It's especially convenient at night on your bedside table or while traveling on a train – one cable is enough, and all devices are powered at the same time.

Control at the push of a button
The integrated LCD display shows you the battery level in percentage. Instead of guessing how much energy is left, you can see it at a glance. This way, you can plan your next charge in advance and always have full control over your mobile energy.

Power without bulk
Weighing only 321 g and with compact dimensions of 10 × 7 × 2.5 cm, this power bank is one of the lightest and most compact in its class. It fits effortlessly into any bag and accompanies you everywhere – from your daily commute to your big trips. This way, you always have strong energy on hand without having to carry extra weight or bulky accessories.

Key specifications

Additional properties
Circuit protectionLED battery status indicatorUSB cable integrated
USB ports
1 x USBUSB-C (3x)
Charging technology
Adaptive Fast ChargePower Delivery 3.0Quick Charge 3.0SuperCharge
Capacity
20000 mAh
Power capacity
77 Wh
Weight
321 g

General information

Item number
62762965
Manufacturer
4smarts
Category
Powerbanks
Manufacturer no.
4S541626
Release date
4.10.2025
Sales rank in Category Powerbanks
274 of 3730

Colour

Colour
Grey
Exact colour description
Space grey

Material

Material group
Plastic
Material
Acrylonitrile Butadiene Styrene (ABS)Polycarbonate (PC)

Power bank properties

Powerbank type
Powerbank
Additional properties
Circuit protectionLED battery status indicatorUSB cable integrated

Connections

USB ports
1 x USBUSB-C (3x)

Power supply

Battery voltage
3.85 V
output voltage
10V12 V4.5V5 V9V
Charging technology
Adaptive Fast ChargePower Delivery 3.0Quick Charge 3.0SuperCharge
Nominal power
22.50 W

Battery properties

Battery type
LiPo
Capacity
20000 mAh
Power capacity
77 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
Manual

Product dimensions

Length
25 mm
Width
70 mm
Height
100 mm
Weight
321 g

30-day right of return
24 Months Warranty (Bring-in)
10 additional offers

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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
  • 60.Usams
    3.6 %
  • 61.HyperJuice
    3.9 %
  • 62.4smarts
    4 %
  • 62.TOP
    4 %
  • 64.Benks
    4.2 %

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
  • 34.Sandberg
    1 day
  • 34.Usams
    1 day
  • 36.4smarts
    3 days
  • 36.HyperJuice
    3 days
  • 38.TOP
    6 days

Return rate

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

Source: Digitec Galaxus
  • 45.Sandberg
    2.4 %
  • 45.TP-Link
    2.4 %
  • 48.4smarts
    2.7 %
  • 49.Ansmann
    2.8 %
  • 50.Forever
    2.9 %
Source: Digitec Galaxus