# Bike-Charged External Batteries This Usb Battery Pack Adapts Power From a Bicycle Dynamo By Jen Chae | Published 2013-07-25 | Autos Source: Trend Hunter, https://www.trendhunter.com/trends/bicycle-dynamo References: [kickstarter](http://www.kickstarter.com/projects/triglyph/powercycle-the-ultimate-usb-power-source) If you have a bicycle dynamo, your device can be as easy as going for a bike ride in the park. The PowerCycle by Emile Nijssen and Joel Edelstein is an [external USB battery pack](https://www.trendhunter.com/trends/charger-2) that gains energy when hooked up to your [bicycle wheels](https://www.trendhunter.com/trends/wnd-helmet). Electricity-free charging is a new concept in the external battery industry. The PowerCycle also has an eco-conscious aspect since it feeds energy off of [simple pedaling motion](https://www.trendhunter.com/trends/energy-generating-soccer-ball). This product also lets you stay active while charging it; you won't ever have to sit and wait by your wall charger. Once fully charged, this compact battery acts as a power source for any electronics using a USB cable. If your phone is ever low on battery while on the road, you can hop on a bike and rely on the PowerCycle. ## Trend Insights (Trend Hunter) - Score: 0.3/10 - Popularity: 1% | Activity: 1% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Gen Z, Millennial, Gen X - Top markets: North America, South America, Europe, Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Autos](https://www.trendhunter.com/autos) ## Key Themes ### Why This Trend Is Growing - **Electricity-free Charging:** Opportunity for innovative products that harness alternative energy sources for charging devices. - **Eco-conscious Technology:** Opportunity to develop products that prioritize sustainability and reduce reliance on traditional power sources. - **Active Charging:** Opportunity to create products that allow users to stay active while charging their devices. ### Industries Being Reshaped - **External Battery Industry:** Opportunity to introduce electricity-free charging solutions that offer a unique selling point to consumers. - **Alternative Energy Industry:** Opportunity to explore the use of alternative energy sources, such as bicycle dynamos, for charging devices. - **Fitness Technology Industry:** Opportunity to integrate charging capabilities into fitness devices, merging technology and exercise. ## Related on Trend Hunter - [Solar-Powered eBike Chargers](https://www.trendhunter.com/trends/beambike.md) - [Self-Charging E-Bikes](https://www.trendhunter.com/trends/vello-bike-design.md) - [Power-Generating Desk Bikes](https://www.trendhunter.com/trends/lifespan-ampera.md) - [Externally-Powered eBike Kits](https://www.trendhunter.com/trends/xs-system.md) - [No-Plug E-Bikes](https://www.trendhunter.com/trends/third-generation-pi-pop.md) - [Productivity-Supporting Exercise Bikes](https://www.trendhunter.com/trends/acer-ekinekt-bd-3.md) - [E-Bike Charging Partnerships](https://www.trendhunter.com/trends/bikeflex.md) - [Power Station E-Bikes](https://www.trendhunter.com/trends/basalt-e-bike.md) - [Commuter EV Charger Batteries](https://www.trendhunter.com/trends/go-power-bank.md)