–6%
Rolling Square External battery for TAU 1400 mAh, USB-C
1400 mAh, 5 WPrice in EUR including VAT, plus shipping
Delivered between 11/1/2025 and 21/1/2025
More than 10 items in stock at supplier
More than 10 items in stock at supplier
Product details
The smallest 3in1 Power Bank that is always charged!
Always charged. How does it work?
Simply attach TAU's magnetic charging dock to a piece of furniture or wall to charge your power bank effortlessly.
Always charged. How does it work?
Simply attach TAU's magnetic charging dock to a piece of furniture or wall to charge your power bank effortlessly.
When you get home, just hang your keys on the magnetic charging dock and TAU will be ready for you when you leave the house. With the integrated 3in1 cable, you can always charge several devices on the go.
Always at hand. What does it mean?
Conventional power banks are often too heavy and too big to lug around all the time. TAU is so small and light (only 40g) that you can always have it with you wherever you go.
Always ready for use.
TAU is compatible with many smartphones and mobile devices thanks to the built-in 3in1 cable.
Dual: Lightning for Apple devices (iPhone, iPad, iPod, Airpods) + Micro USB devices.
USB-C: compatible with Android and Google smartphones and the latest generation of portable devices.
Fast, effortless setup
Place the reusable Nano Suction Pad on any surface, plug in the included cable, and TAU is ready to go. Screws and dowels are also included if you're handy and 100% sure you want the charging dock in just one place.
Compatibility
Apple Lightning (iPhone, iPad, iPod, Airpods, etc.)
USB-C smartphones, tablets and many other devices
Micro-USB smartphones, tablets and many more devices
Technical specifications
Dimensions: 60x45x12 mm
Weight: 40gr
Capacity: 1400mAh
Max. Load capacity of the keychain: 350gr
Scope of delivery
TAU Power Bank
TAU Dock and Micro-USB cable
2 screws and 2 dowels
Double-sided Nano Suction Pad (reusable)
Manual
Always at hand. What does it mean?
Conventional power banks are often too heavy and too big to lug around all the time. TAU is so small and light (only 40g) that you can always have it with you wherever you go.
Always ready for use.
TAU is compatible with many smartphones and mobile devices thanks to the built-in 3in1 cable.
Dual: Lightning for Apple devices (iPhone, iPad, iPod, Airpods) + Micro USB devices.
USB-C: compatible with Android and Google smartphones and the latest generation of portable devices.
Fast, effortless setup
Place the reusable Nano Suction Pad on any surface, plug in the included cable, and TAU is ready to go. Screws and dowels are also included if you're handy and 100% sure you want the charging dock in just one place.
Compatibility
Apple Lightning (iPhone, iPad, iPod, Airpods, etc.)
USB-C smartphones, tablets and many other devices
Micro-USB smartphones, tablets and many more devices
Technical specifications
Dimensions: 60x45x12 mm
Weight: 40gr
Capacity: 1400mAh
Max. Load capacity of the keychain: 350gr
Scope of delivery
TAU Power Bank
TAU Dock and Micro-USB cable
2 screws and 2 dowels
Double-sided Nano Suction Pad (reusable)
Manual
| Capacity | 1400 mAh |
| USB ports | 1 x Lightning, 1 x Micro USB, 1 x USB-C |
| Additional properties | USB cable integrated |
| Weight | 40 g |
| Item number | 15632638 |
| Manufacturer | |
| Category | |
| Manufacturer no. | TAU01R |
| Release date | 8.4.2021 |
| Colour group | Black |
| Exact colour description | Black |
| Material group | Plastic |
| Specific material description | Plastic |
| Powerbank type | Powerbank |
| Powerbank Additional features | USB cable integrated |
| USB ports | 1 x Lightning, 1 x Micro USB, 1 x USB-C |
| Battery voltage | 5 V |
| output voltage | 5 V |
| Electric current output | 3 A |
| Nominal power | 5 W |
| Capacity | 1400 mAh |
| Scope of delivery | Charging station, Micro USB cable |
| Length | 60 mm |
| Width | 45 mm |
| Height | 1.20 mm |
| Weight | 40 g |
| Length | 16 cm |
| Width | 9 cm |
| Height | 3.20 cm |
| Weight | 166 g |
Specifications may include unverified machine translations.
14-day cancellation right
30-day right of returnReturn policy
30-day right of returnReturn policy
24 Months Statutory warrantyGuarantee provisions
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- 13.MediaRange1.1 %
- 15.Adata1.2 %
- 15.Rolling Square1.2 %
- 15.Verico1.2 %
- 18.Joyroom1.3 %
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- Rolling SquareNot enough data
- 1.Adata0 days
- 1.Anker0 days
- 1.Aukey0 days
- 1.Baseus0 days
Return rate
How often is a product of this brand in the «Powerbanks» category returned?
Source: Galaxus- 34.Sp Connect2.1 %
- 35.4smarts2.2 %
- 36.Rolling Square2.3 %
- 36.Verico2.3 %
- 38.RealPower2.4 %
Source: Galaxus
