# Smartphone Keychain Batteries The 'TAU' Power Bank Stays on Hand for Use at Anytime By Michael Hemsworth | Published 2020-05-20 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/tau-power-bank References: [geeky-gadgets](https://www.geeky-gadgets.com/tau-battery-pack-19-05-2020/) & [kickstarter](https://www.kickstarter.com/projects/sergo/tau-the-power-bank-that-is-always-charged) The 'TAU' power bank is a cleverly designed battery solution that will work to keep additional charging capabilities on hand at all times instead of requiring users to opt for conventional [portable power alternatives](https://www.trendhunter.com/trends/pocket-rocket-p50). The power bank features a [keychain-integrated design](https://www.trendhunter.com/trends/keychain-apple-watch-charger) that allows users to attach their keys to the unit, which will keep it within reach at all times for charging at leisure. The battery features an omni-compatible design thanks to USB-C and a dual-Lightning and microUSB connector to charge up any device desired. The 'TAU' power bank is recharged via a [dedicated dock](https://www.trendhunter.com/trends/aulumu-m10-multicharging-power-bank) that can be placed on a desk or even mounted on a wall to allow for quick grabbing when heading out the door. ## Trend Insights (Trend Hunter) - Score: 4.8/10 - Popularity: 70% | Activity: 65% | Freshness: 9% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: Europe ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Tech](https://www.trendhunter.com/tech) > [Mobile](https://www.trendhunter.com/mobile) ## Key Themes ### Why This Trend Is Growing - **Keychain Power Banks:** The concept of integrating power banks with keychains presents an opportunity for companies to come up with innovative designs that are convenient for users to carry around. - **Omni-compatible Charging Solutions:** Creating charging solutions that are not limited to specific devices presents an opportunity for businesses to offer versatile and convenient charging options for consumers. - **Dock-based Charging:** Developing charging docks that can be conveniently placed in various locations in homes and offices presents an opportunity for companies to create innovative charging solutions for consumers. ### Industries Being Reshaped - **Consumer Electronics:** Companies in the consumer electronics industry can capitalize on the trend of keychain power banks and omni-compatible charging solutions by offering sleek and innovative designs that cater to the needs of users on-the-go. - **Retail:** Retail businesses can offer keychain power banks as convenient and affordable add-ons for customers purchasing electronic devices. - **Hospitality:** Hotels and other hospitality businesses can offer convenient charging solutions for guests through dock-based charging stations that can be placed in hotel rooms and common areas. ## Related on Trend Hunter - [Pocket-Sized Smartphone Batteries](https://www.trendhunter.com/trends/power-bank-keychain.md) - [Compact Pill-Shaped Power Banks](https://www.trendhunter.com/trends/portable-capsule-power-bank.md) - [Wearable Triangular Power Banks](https://www.trendhunter.com/trends/mchaos-power-bank.md) - [Power-Providing Smartphone Stands](https://www.trendhunter.com/trends/solove-power-bank.md) - [Adaptable Modular Power Banks](https://www.trendhunter.com/trends/statik-snapncharge-universal-power-bank.md) - [Stand-Equipped Smartphone Batteries](https://www.trendhunter.com/trends/strickers-magsafe-power-bank.md) - [Outdoor Lifestyle Power Banks](https://www.trendhunter.com/trends/sharge-power-bank.md) - [Kinetic-Friendly Power Banks](https://www.trendhunter.com/trends/last-resort-power-bank.md) - [Magnetic Dock-Style Smartphone Batteries](https://www.trendhunter.com/trends/magsafe-power-bank.md)