# Durable Multi-Day Usage Smartphones The Energizer Hard Case P28K Has a 28,000mAh Battery By Michael Hemsworth | Published 2024-02-26 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/energizer-hard-case-p28k References: [gizmochina](https://www.gizmochina.com/2024/02/26/energizer-p28k-mwc-2024-battery/) & [energizer](https://energizer.com)  It's commonplace for consumers to get around a day's worth of use per charge of their smartphone, but the [Energizer](https://www.trendhunter.com/trends/Child-safe-battery-technology) Hard Case P28K has been unveiled by [Avenir Telecom](https://www.trendhunter.com/trends/energizer-laptops) at MWC 2024 to change expectations. The smartphone is equipped with a [28,000mAh battery](https://www.trendhunter.com/trends/honor-magic7-lite) that's rated to offer up to a week's worth of use per charge, which translates to 122-hours of talk time. The mobile device also supports fast charging at 33W to prevent downtime, while 8GB of RAM and 256GB of internal storage round out the device as a productivity powerhouse. The smartphone runs the Android 14 operating system, puts a 6.78-inch 1080p display in the spotlight and a triple-camera system on the rear. The Energizer Hard Case P28K smartphone is also built with durability in mind to easily withstand use in the field. The smartphone will make its formal launch in October for €249.99 globally, but won't be available in the US market. Image Credit: Avenir Telecom ## Trend Insights (Trend Hunter) - Score: 2.6/10 - Popularity: 24% | Activity: 34% | Freshness: 21% - Audience gender: 50% men, 50% women - Primary generations: 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 ### What's Driving This Trend - **Extended-battery-smartphones:** Leveraging ultra-high battery capacities to offer prolonged usage times per charge. - **Productivity-powerhouses:** Combining high RAM, storage, and display quality for enhanced efficiency and performance. - **Rugged-durable-devices:** Designing smartphones with robust features to withstand challenging environments and field use. ### Who This Affects Most - **Technology-consumer-electronics:** Innovating within the tech sector to redefine user expectations for smartphone battery life and durability. - **Mobile-communications:** Exploring new opportunities in the mobile industry by pushing the boundaries of smartphone battery longevity and resilience. - **Telecommunications-equipment:** Revolutionizing telecommunications with devices that offer extended battery capacities and rugged construction for reliable field use. ## Related on Trend Hunter - [Week-Long Battery Smartphones](https://www.trendhunter.com/trends/realme-p4-power-5g.md) - [Off-Grid Entertainment Smartphones](https://www.trendhunter.com/trends/8849-tank-3-pro.md) - [Long-Range Battery Smartphones](https://www.trendhunter.com/trends/moto-g57-power.md) - [Power Bank-Like Smartphones](https://www.trendhunter.com/trends/tcl-k70-power.md) - [Flagship Oversized Battery Smartphones](https://www.trendhunter.com/trends/honor-power-2.md) - [High-Power Capacity Smartphones](https://www.trendhunter.com/trends/samsung-galaxy-m35.md) - [High-Power Projector Smartphones](https://www.trendhunter.com/trends/unihertz-tank-2.md) - [Hyper-Durable Chinese Smartphones](https://www.trendhunter.com/trends/rugged-durable-smartphone.md) - [Battery-Showcasing Smartphones](https://www.trendhunter.com/trends/oneplus-turbo-6.md)