# Rechargeable iPhone Battery Packs Mophie's 'Juice Pack Air' Charges Your iPhone 4 By Summer Luu | Published 2010-09-11 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/mophie-juicy-pack-air References: [slashgear](http://www.slashgear.com/mophie-juice-pack-for-iphone-4-doubles-battery-for-80-07101151/) & [macworld](http://www.macworld.com/article/153955/2010/09/juice_pack_iphone4.html) [Mophie's](https://www.trendhunter.com/trends/mophie-powerstation-pro-ac) 'Juice Pack Air' is an [external battery](https://www.trendhunter.com/trends/portable-batterycharging-device) created to recharge [iPhone 4](https://www.trendhunter.com/trends/iphone-4-concept) phones. The battery sits in a sleek protective hard-shell casing and even has an opening to insert the USB cord to charge the case while it is charging the phone. The case is ultra sleek and not bulky, as the name would suggest. For people who cannot live without their iPhone, this battery is a lifesaver in dying moments -- it provides twice the battery life of the iPhone alone. ## Trend Insights (Trend Hunter) - Score: 2.9/10 - Popularity: 23% | Activity: 57% | Freshness: 8% - Audience gender: 70% men, 30% women - Primary generations: Millennial, Gen X - Top markets: North America, Europe ## 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 - **Wireless Rechargeable Battery Cases:** Opportunity for companies to create innovative and sleek wireless rechargeable battery cases for smartphones. - **Integrating Battery in Protective Casing:** Opportunity for companies to create protective casings with integrated batteries for seamless use and convenience. - **Increased Battery Capacity for Smartphones:** Opportunity for companies to increase the battery capacity of smartphones for longer battery life and enhanced user experience. ### Where This Applies - **Consumer Electronics:** Companies in the consumer electronics industry could create innovative battery solutions for smartphones, tablets, and other devices. - **Mobile Accessories:** Companies in the mobile accessories industry could create battery cases, charging pads, and other innovative products to enhance the battery life of smartphones. - **Portable Power Banks:** Opportunities for companies in the portable power bank industry to create sleek and innovative products that can recharge multiple devices, including smartphones. ## Related on Trend Hunter - [Compact Capacious Tech Chargers](https://www.trendhunter.com/trends/mophie-powerstation-pro-ac.md) - [Pocket-Sized Smartphone Batteries](https://www.trendhunter.com/trends/power-bank-keychain.md) - [Ultra-Slim Smartphone Batteries](https://www.trendhunter.com/trends/anker-nano-magsafe.md) - [Grip-Enhancing Smartphone Batteries](https://www.trendhunter.com/trends/popsockets-popgrip-jumpstart-lightning.md) - [Compact Magnetic Chargers](https://www.trendhunter.com/trends/pokoo.md) - [Magnetic Multifunctional Power Banks](https://www.trendhunter.com/trends/torras-magsafe-battery-pack.md) - [Transparent Wireless Smartphone Batteries](https://www.trendhunter.com/trends/momax-qmag-power-8.md) - [Dual-Purpose Power Banks](https://www.trendhunter.com/trends/uag-lucent-power-battery.md) - [Compact Apple-Compatible Chargers](https://www.trendhunter.com/trends/stuffcool-1.md)