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Rolling Square

4.5 (123)

TAU® - Always-charged power bank

Name: Rolling Square TAU® - Always-charged power bank - TAU® - Always-charged power bank
Brand: Rolling Square
SKU: 32498756157502
Price: 22.9 USD
Availability: InStock
Rating: 4.3542 (42 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$22.90$29.90

23% off

Quantity

Color

Black

Quantity

Description

TAU® is the best 3in1 power bank, fitting the Lightning, Micro USB, and USB-C ports. It’s the smallest power bank in the world, so you can attach it to your key chain, and comfortably use it in your daily life. It’s the best portable power ...

Reviews

4.4

96 ratings

Great little device! It's part of my EDC now. Likely will buy another.

Richard · June 24, 2026

Portable and convenient, as a grab-and-go battery pack that can be easily taken off its’ magnetic charging base. Capacity is large than the previous generation, without sacrificing the portability with only a slight overall increase in size.

Gabriel · January 28, 2026