# Adhesive Smartphone External Batteries The Power Annex by Kegan & Roberto is Slim and Sticky By Meghan Young | Published 2014-08-13 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/smartphone-external-batteries References: [kickstarter](https://www.kickstarter.com/projects/keroproducts/power-annex-adhesive-slim-profile-external-battery) Smartphone external batteries come in a variety of styles, but the Power Annex might be one of the better designs out there. Instead of taking the form of a bulky case or a separate device all together, it boasts a slim shape that easily sticks to the back of the phone when being used. The size of an [Apple](https://www.trendhunter.com/trends/magsafe-power-bank) remote, the Power Annex is a great device to have on hand for everyday situations. Designed by KERO Products, a design duo based in Chicago, Illinois, [smartphone external batteries](https://www.trendhunter.com/trends/pocket-rocket-p50) has been given a great makeover. Providing up to a 75% charge. It is currently seeking crowdfunding on [Kickstarter](https://www.trendhunter.com/trends/power-junkie-v2). It hopes to reach a goal of $40,000. ## Trend Insights (Trend Hunter) - Score: 5.7/10 - Popularity: 86% | Activity: 77% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Gen Z, Millennial, Gen X - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Tech](https://www.trendhunter.com/tech) > [Mobile](https://www.trendhunter.com/mobile) ## Key Themes ### Key Themes Behind This Trend - **Slim Form Factor External Batteries:** The Power Annex's slim shape is a disruptive innovation opportunity for the external battery market, offering a sleek and convenient solution for smartphone users. - **Sticky Adhesive Technology:** The use of adhesive technology in smartphone external batteries, like the Power Annex, presents a disruptive innovation opportunity for creating versatile and easy-to-use portable power solutions. - **Crowdfunding for Innovative Tech Products:** The Power Annex seeking crowdfunding on platforms like Kickstarter highlights the trend of using crowdfunding to bring innovative tech products to market, creating opportunities for both creators and backers. ### Where This Applies - **Consumer Electronics:** The slim and sticky design of the Power Annex external battery presents a disruptive innovation opportunity in the consumer electronics industry, catering to the growing need for portable power solutions for smartphones. - **Design and Manufacturing:** The Power Annex's sleek and innovative design by KERO Products showcases a disruptive innovation opportunity in the design and manufacturing industry, pushing the boundaries of form and functionality for external batteries. - **Crowdfunding Platforms:** The Power Annex's crowdfunding campaign on platforms like Kickstarter highlights the growing industry of crowdfunding, providing a disruptive innovation opportunity for creators to fund and launch their tech products. ## Related on Trend Hunter - [Stand-Equipped Smartphone Batteries](https://www.trendhunter.com/trends/strickers-magsafe-power-bank.md) - [Ultra-Slim Smartphone Batteries](https://www.trendhunter.com/trends/anker-nano-magsafe.md) - [Pocket-Sized Smartphone Batteries](https://www.trendhunter.com/trends/power-bank-keychain.md) - [Magnetic Dock-Style Smartphone Batteries](https://www.trendhunter.com/trends/magsafe-power-bank.md) - [Minimal Pebble-Like Battery Packs](https://www.trendhunter.com/trends/battery-pack-2.md) - [Grip-Enhancing Smartphone Batteries](https://www.trendhunter.com/trends/popsockets-popgrip-jumpstart-lightning.md) - [Transparent High-Power Mobile Batteries](https://www.trendhunter.com/trends/shargeek-storm2-slim.md) - [Compact Pill-Shaped Power Banks](https://www.trendhunter.com/trends/portable-capsule-power-bank.md) - [Magnetic Ultra-Slim Power Banks](https://www.trendhunter.com/trends/minimag-power-bank.md)