# Wallet-Sized Smartphone Chargers The Dubleup Power Card is the Size of an Average Credit Card By Michael Hemsworth | Published 2016-05-27 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/power-card References: [thegadgetflow](http://thegadgetflow.com/portfolio/dubleups-power-card/) & [dubleup](https://www.dubleup.com) Smartphone usage has become a consistent reality for millions of consumers worldwide leading to many requiring new ways to charge like the Dubleup Power Card. The device is intended to provide additional charge to devices when the power levels run low. The ultra-slim design of the device makes it one of the more functional [external battery packs](https://www.trendhunter.com/trends/anker-nano-magsafe) on the market. Coming in black, gold and silver color options, the Dubleup Power Card can be slipped into a [wallet card section](https://www.trendhunter.com/trends/power-bank-wallet), pocket, backpack or purse without taking up much more space than a few credit cards stacked. The unit focuses on simply providing additional power rather than requiring users to keep charging equipment or [bulky batteries](https://www.trendhunter.com/trends/future-starship-pro) on their person at all times of the day. ## Trend Insights (Trend Hunter) - Score: 3.4/10 - Popularity: 49% | Activity: 45% | 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) > [Gadgets](https://www.trendhunter.com/gadgets) ## Key Themes ### Why This Trend Is Growing - **Wallet-sized Smartphone Chargers:** Opportunity for disruptive innovation in the portable charger market with compact and slim designs. ### Industries Being Reshaped - **Consumer Electronics:** Potential for disruptive innovation in the consumer electronics industry with the development of wallet-sized smartphone chargers. - **Fashion and Accessories:** Fashion brands have the opportunity to collaborate with technology companies to create fashionable and functional wallet-sized smartphone chargers. - **Travel and Tourism:** The travel industry can benefit from the development of wallet-sized smartphone chargers as they provide convenient charging options for consumers on the go. ## Related on Trend Hunter - [Pocket-Sized Smartphone Batteries](https://www.trendhunter.com/trends/power-bank-keychain.md) - [Card-Sized Powerbank Flashlights](https://www.trendhunter.com/trends/powerbank-flashlight.md) - [Compact Pill-Shaped Power Banks](https://www.trendhunter.com/trends/portable-capsule-power-bank.md) - [Stealthy Sustainable Portable Chargers](https://www.trendhunter.com/trends/carbonblade.md) - [All-in-One Smartphone Grips](https://www.trendhunter.com/trends/magcardgrip.md) - [Wireless Smartphone Flashlight Cards](https://www.trendhunter.com/trends/lumicard.md) - [Powerful Slim Power Banks](https://www.trendhunter.com/trends/excitrus.md) - [Data-Backup Phone Chargers](https://www.trendhunter.com/trends/qubii-power.md) - [Ultra-Compact Power Banks](https://www.trendhunter.com/trends/pocket-rocket-p50.md)