
From premium flagship devices packed with cutting-edge features to budget-friendly phones that still deliver impressive endurance, there are plenty of options for users who prioritise battery life.
Nothing is more frustrating than running out of battery while paying for goods, navigating with maps, or accessing travel tickets on the go.
To help narrow down your choices, experts at iD Mobile, in partnership with Currys, have compiled a guide highlighting the smartphones with the best battery performance currently available.
The list covers a range of price points, operating systems, and features to help users find the perfect fit.
Top Smartphones With the Best Battery Life
iPhone 16 Pro Max
Apple’s iPhone 16 Pro Max delivers outstanding battery performance, offering up to 33 hours of video playback. Powered by the A18 Pro chip and a larger battery, the device maintains efficiency even when power is low. Apple’s adaptive battery technology also learns user habits and optimises power usage to extend battery lifespan, making it a reliable choice for daily use.
Motorola Moto G04
For budget-conscious buyers, the Moto G04 offers exceptional battery longevity at an affordable price. Its 5,000mAh battery can last up to 40 hours, while the energy-efficient 6.56-inch display and lightweight Android interface help minimise power drain. The phone also features water resistance and automatic camera enhancements.
Samsung Galaxy S25 Ultra
Samsung’s Galaxy S25 Ultra builds on the success of the S24 series with improved AI-powered features and adaptive power management. Although it retains a 5,000mAh battery, enhanced background activity optimisation and the Snapdragon 8 Elite processor improve efficiency, delivering flagship performance without sacrificing battery life.
Nothing Phone (2a)
The Nothing Phone (2a) combines strong battery performance with an eco-friendly design philosophy. Its 5,000mAh battery supports heavy use, while the minimalist Glyph Interface reduces unnecessary power consumption. With Android 14 and 45W fast charging, the device can reach 50% charge in just 23 minutes.
Google Pixel 9 Pro XL
Known for its camera capabilities, the Pixel 9 Pro XL also stands out for battery efficiency. The 5,000mAh battery is enhanced by Google’s AI-driven background management, extending usage time without manual adjustments. Wireless charging support adds extra convenience.
iPhone 16 Plus
The iPhone 16 Plus offers a strong balance between large-screen usability and battery efficiency. iOS 18 reduces standby power drain, while the 6.7-inch Super Retina XDR display supports gaming, video streaming, and photography without excessive battery consumption.
Honor Magic 7 Pro
Honor’s Magic 7 Pro features a powerful 5,450mAh battery and ultra-fast 100W charging, making it ideal for users who prefer charging once per day. Its OLED display is energy-efficient, and Honor’s background power optimisations maximise battery longevity.
Samsung Galaxy S24 FE
Samsung’s Galaxy S24 FE delivers near-flagship performance with solid battery endurance. The 4,700mAh battery supports heavy usage, and One UI software learns user habits to extend battery life. Both wired and wireless fast charging are supported.
Honor X7B
The Honor X7B remains a strong budget contender thanks to its 5,330mAh battery, which offers long-lasting performance for commuters and everyday users. It also supports 35W fast charging for quick top-ups.
iPhone 16e
Apple’s iPhone 16e is a more affordable entry in the iPhone 16 lineup, offering dependable all-day battery life powered by the A17 chip and iOS 18 optimisations. Improved standby efficiency reduces idle battery drain, making it ideal for long journeys and daily commuting.
How to Choose a Phone With the Best Battery Life
When selecting a smartphone, battery capacity (measured in mAh) is a key factor—the higher the mAh, the larger the battery. However, users should also consider refresh rate, charging speed, software optimisation, and overall features. Combining these factors will help you choose a device that best suits your needs and usage habits.
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