# Solar-Powered Postcards Send Sunny Greetings with the HYMini MiniNOTE By Katie Cordrey | Published 2009-01-25 | Eco Source: Trend Hunter, https://www.trendhunter.com/trends/sunny-greeting-send-power-mail-with-solar-postcards References: [cleantechnica](http://cleantechnica.com/2009/01/14/send-a-unique-greeting-with-hyminis-solar-postcard/) & [miniwiz](http://www.miniwiz.com/) The HYMini's miniNOTE is a thin [solar panel/battery charger](https://www.trendhunter.com/trends/deepsolar-x20-solar-power-bank) covered in brass-corner-reinforced recycled cardboard packaging. The packaging and manufacture both use practices to ensure a minimal carbon footprint. It is thin enough to fit into most mailboxes. miniNOTE comes with a built-in 1200mAh Lithium Ion rechargeable battery, [USB output jack](https://www.trendhunter.com/trends/anker-nano-charger) and USB adapter tips for most of your 5V handheld devices. When completely charged, the miniNOTE can fully charge an iPod Nano or partially charge your cell phone battery. **Implications** - It's always a great feeling to look in the mailbox and see a [postcard a friend has sent](https://www.trendhunter.com/trends/smartpress) you from a faraway land, and real postcards will never lose their charm, but solar postcards are the wave of the future, HYMini says. The miniNOTE is available in stores now. ## Trend Insights (Trend Hunter) - Score: 2.7/10 - Popularity: 37% | Activity: 37% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America, Europe, Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Eco](https://www.trendhunter.com/eco) ## Key Themes ### What Makes This Trend Stand Out - **Solar-powered Postcards:** Solar postcards are the wave of the future. - **Thin Solar Panel/battery Chargers:** Thin solar panel/battery chargers provide a convenient and eco-friendly way to charge handheld devices. - **Minimal Carbon Footprint Packaging:** Practices for minimal carbon footprint packaging contribute to sustainable product development. ### Sectors Adopting This - **Solar Energy:** The solar energy industry can explore solar-powered postcards as a new product offering. - **Consumer Electronics:** The consumer electronics industry can innovate with thin solar panel/battery chargers for handheld devices. - **Packaging:** The packaging industry can adopt practices for minimal carbon footprint packaging to meet growing sustainability demands. ## Related on Trend Hunter - [Portable Mini Power Units](https://www.trendhunter.com/trends/mini-portable-power-station.md) - [Solar-Powered Car Freezers](https://www.trendhunter.com/trends/lion-mini.md) - [Origami-Inspired Solar Panels](https://www.trendhunter.com/trends/sego-innovations.md) - [Solar-Powered Keyboards](https://www.trendhunter.com/trends/slim-solar.md) - [Solar-Powered Oral Care Devices](https://www.trendhunter.com/trends/quip-solar-battery-charger.md) - [Eco-Friendly Outdoor Power Banks](https://www.trendhunter.com/trends/compact-outdoor-power-bank.md) - [Hybrid Mail Services](https://www.trendhunter.com/trends/better-letter-card-co.md) - [Solar-Ready Portable Power Banks](https://www.trendhunter.com/trends/gosun-power-266.md) - [Professional Device-Charging Notebooks](https://www.trendhunter.com/trends/wireless-charging-notebook.md)