10 Best Long Battery Life Smartphones in the UK
Tested and Reviewed: Top 10 Long Battery Life Smartphones deals with expert ratings from 8.1 to a perfect 10
September 2025 Edition
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1
Editor's Choice9.7
SAMSUNG
Samsung Galaxy A56 5G, Android Smartphone, 256GB Storage, 8GB RAM, Anthracite, 6x Operating System Upgrade, Big Screen, Long Battery Life, 8GB + 256GB
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Editor's bottom line:
“This long battery life smartphones is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”
Main Highlights
- BUY IN AND FIND: Circle to Search with Google feature on Galaxy A56 5G! To see search results on Google, simply circle, highlight or click on an object or text.
- TRANSFORM PHOTOS TO ART: Your photos are now perfect with Object Eraser that detects, erases, and replaces unwanted elements in the background!
- YOUR PERSONALISED FILTERS: Create just for you or apply retro effects to your photos and videos.
- SHOW BRIGHT GOOD SELFIE VIDEOS: Capture videos of your adventures and moments of everyday life with Super HDR. The front camera of the Galaxy A56 5G has been developed to achieve optimum colour and contrast for high resolution selfie videos.
- SCREEN DESIGNED FOR A DRIVING GAMING EXPERIENCE: Get completely dive into your favorite fun activity with a large 6.7" FHD+ Super AMOLED display. Enjoy great image quality with 1200 nit Vision Booster that adds clarity to any lighting.
- BUILT TO BE ALWAYS THERE IN 6x OS UPDATE: Galaxy A56 5G has been built to deliver performance like new forever with a 6-generation OS update and 6-year security update.
- LONG BATTERY LIFE TO SEE THINGS ALL DAY: Thanks to the long lasting 5,000mAh (typical) battery, you can enjoy your Galaxy A56 5G with 29 hours without recharging for the Galaxy A56 5G.
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Picked by 268 people today
2
9.5
OUKITEL
OUKITEL G1 Rugged Smartphone - Android14, 24GB RAM+256GB ROM+1TB,10600mAh Battery,48MP Camera,6.52" Rugge phone,IP68/69K Waterproof 4G Dual Sim-free&Unlocked Mobile Phones,NFC,OTG,GPS,2025 (Green)
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Main Highlights
- 24GB RAM+256GB ROM, Android 14 Rugged PhoneOUKITEL G1 rugged smartphone 24GB RAM memory consists of 6GB initial memory and 18GB virtual memory, ensuring the smooth operation of smartphone applications. 256GB ROM supports expansion to 1TB, a large enough space for you to shoot and download any videos and photos you want. At the same time, OUKITEL G1 smartphone is equipped with Android 14, higher security and support for customizable functions
- 10600mAh large capacity battery & 18w fast chargeOUKITEL G1 rugged phone has a battery capacity of up to 10600mAh. Stay powered on your travel adventure without worrying about running out of power. When fully charged, the G1 has a standby time of up to 1000 hours, a talk time of up to 60 hours, a video viewing time of 18 hours, and a game time of 10 hours. In addition, we chose a faster 18w charging power for the phone's battery.
- IP68/IP69K&IIL-STD-810HOUKITEL G1 is an outdoor military-grade rugged Android phone with excellent waterproof, dustproof and shockproof performance. Waterproof up to 1.5 meters deep, waterproof for up to 30 minutes, can work in extreme temperatures from -20°C to 55°C, it can withstand multiple drop tests on all sides, corners and edges, and is an ideal choice for outdoor sports enthusiasts, long-distance drivers, woodworkers and other outdoor workers.
- 6.52" HD+ screen & 48MP F1.8 large aperture main cameraOUKITEL G1 rugged smartphone has a 6.52-inch HD+ screen, whether watching videos or browsing the web, you can get a clear and bright visual experience, 48MP F1.8 large aperture lens main camera and 5MP F2.2 front camera, can give you better photo effects.
- Multi-function toolkitThe rugged phone supports NFC + Google Pay for seamless data transmission and contactless payment. In addition, it has two SIM card slots, or you can use a TF card to expand storage (ROM) to 1TB, supports GPS+GLONASS+Beidou+Galileo, guards your direction, and can be easily unlocked through facial and back fingerprint recognition.
- OUKITEL Manufacturer Warranty Welcome to [OUKITEL], we are committed to providing customers with quality products and excellent customer service. All products are backed by a two-year warranty covering all defects in materials and workmanship of all mobile phones. If necessary, we will also replace you with a new smartphone without contract for free. If you have any questions, please feel free to contact us. We will respond to you within 12 hours.
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3
9.5
HONOR
HONOR X6b Mobile Phone Unlocked, 6.56-Inch 90Hz Fullview Display, 4GB+128GB, 5200 mAh Long-lasting Battery, 50MP Triple Camera, Android (2 Year Warranty), Midnight Black
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Main Highlights
- 6.56 Fullview DisplayThe 6.56-inch 90Hz HONOR FullView Display provides an intimate and comfortable visual experience all day long. HONOR X6b delivers an immersive visual experience, no matter when the user is working, streaming videos, or gaming.
- 50MP Triple CameraHONOR X6b features an impressive ultra-clear Triple camera system comprising a 50MP Main Camera, a 2MP Macro Camera, and a 2MP Depth Camera, allowing users to capture their memorable life moments in vivid detail.
- Long Battery LifeFeaturing a 5200 mAh battery, HONOR X6b can support up to 26 hours of online streaming or 27 hours of browsing social media on a full charge. With 35W HONOR SuperCharge, can charge to 20% in 10 minutes, fast and stable.
- Google Mobile ServicesThe smooth performance of MagicUI 8.0 is based on Android 14. With all Google apps and Google Play, it brings everything you need.
- 128 GB Large Storage CapacityHONOR X6b can keep over Over 27,000 photos; more than 1,1000 songs. The MicroSD card slot allows users to further expand storage by up to 1TB, bringing enhanced flexibility to meet their business and personal needs.
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4
9.2
Nokia
Nokia G42 5G 6.56” HD+ Smartphone Featuring Triple rear 50MP AI camera, 6GB/128GB Storage, 3-day battery life, Android 13, OZO 3D audio capture, QuickFix repairability and Dual SIM - Grey
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Main Highlights
- 5G connectivity gets you where you want to go, fast. Powered by the Snapdragon 480 Plus.
- Capture the moment in high quality with the 50 MP AI camera, ready for popping portraits, wonderful vistas, and nights out with your friends.
- With a whopping 3-day battery life, your Nokia G42 5G will keep going when others run out.
- With OZO 3D audio capture, your videos sound as good as they look.
- The Nokia G42 5G is built with QuickFix repairability. With affordable parts from iFixit, you can replace cracked screens, bent charging ports and old batteries, all by yourself.
- With Android 13 and up to 3 years of monthly security updates, you wont be worrying about outdated protection any time soon.
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5
9.0
DxDcS
DxDcS DxD15Ps 4G Dual SIM Smartphone, 2GB RAM+16GB ROM/SD 128GB, 4300mAh Battery, 6.6 inch Display, Android 10.0 OS, Dual Camera 8MP, WIFI, GPS, FM, Bluetooth,Face Unlock Mobile Phone (Black)
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Main Highlights
- 6.6" Large Screen As the cheapest but most efficient smartphone, DxDcS-DxD15Ps features a 6.6" HD screen to provide vibrant colors, restore the real vision. The font size and display size are adjustable, which is convenient for the elderly to use.
- 4G LTE Dual SIM Dual StandbyThe DxDcS-DxD15Ps mobile phones supports 4G LTE Connectivity, compatible with Vodafone, EE, O2, Three (TRE), Giff Gaff, BT, FP, ID Mobile, Asda Mobile and more compatible networks, which provides a fast and stable mobile network. Everything is going on at top speed. 3-card Slots Design, supports 2 Nano SIM cards and 1 TF card (it can support 256GB of extended memory), you can use the second number without carrying an extra mobile phone.
- The Most Stable System DxDcS-DxD15Ps Dual SIM Smartphone uses the most stable and smooth Android 10.0 System, with faster downloads, faster processing, less lagging, and more, which fits the user's usage habits and improves the user experience, making your life more convenient. Packed with 2GB RAM + 16GB ROM Storage and expandable to 256GB, you can download many favorite videos and apps. DxDcs team has been working hard to provide the best experience for users.
- 4300mAh Long-lasting BatteryDxDcS-DxD15Ps Android Smartphone is equipped with a large 4300mAh battery to meet your daily needs. The battery life is beyond your imagination. As a cost-effective unlocked mobile phone, 4300mAh battery provides up to 3days standby time, you don't have to worry about your DxDcS-DxD15Ps smartphone running out of power.
- Fast Face Unlock SIM free unlocked mobile phone lets your unique face be your key to unlock your phone within 0.5 seconds, which is quickly and safely. Unlocked smartphone is an affordable basic phone for everyone. It is not only the best gift for the elderly and childrenbut also can be used as a spare cell phone. If you encounter any problems during use, please do not hesitate to contact us.
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6
8.8
Oakcastle
Oakcastle SIM free Unlocked Mobile Phone | Pay As You Go Mobile with Dual SIM & SD Card Slots | Basic Mobile with Bluetooth, FM Radio & MP3 Playback | Cheap Phone with 7+ Day Battery Life F101
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Main Highlights
- & : This sim-free & unlocked burner phone supports dual SIM (2 adaptors included), making it perfect for pay as you go phone. Compatible with micro-SD cards up to 32GB for media storage. Stay connected with ease with Oakcastle F101 simple phone.
- , , : phone for seniorsoy a variety of multimedia options with Bluetooth, FM radio, and MP3 playback for music on the go. The headphone jack allows for private listening, making F101 perfect cheap mobile phone for music lovers.
- + & - : The 7+ day battery life makes this budget mobile phone perfect for holidays, festivals, or any extended trips. The efficient USB-C charging ensures fast and reliable recharging, so youre never without your brick phone for long.
- -- : A 2G simple mobile phone ideal for kids, seniors, or anyone who prefers basic functions. With 3 built-in games including Tetris, a built-in torch LED light, and the reliability of texting & calling, its the perfect "dumb phone" for everyday use.
- ' : This package includes 1x Oakcastle F101 Small Mobile Phone, 1x USB Type-C Charging Cable, 2x SIM Card Adaptors and a user-friendly manual. The product dimensions are 11.95 x 5.1 x 1.35 cm.
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7
8.6
Tosaju
Tosaju 4G VoLTE Feature Phone Unlocked Simple Basic Home Phone 1400 mAh Long Battery Life Backup UK SIM Free with Bluetooth Perfect for Elderly & Emergency Use
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Main Highlights
- Large-Button Bar Design-Simple & Easy to Use Basic PhoneClassic long bar-style body (152.9mm × 53.1mm × 14.4mm) with a comfortable grip, ideal for home use or carrying outdoors. 21 oversized physical buttons with clear tactile feedback and white backlighting, ensuring effortless operation even at nightperfect for seniors with limited vision or dexterity.
- Long Battery Life + Type-C Fast Charging Hassle-Free Basic Phone1400mAh high-capacity Li-ion battery combined with power-efficient RTOS system, delivering up to 7 days of standby time* and 8+ hours of talk timereducing frequent recharging. Universal Type-C charging port (compatible with most adapters) for easy plug-in, plus expandable storage (up to 32GB via T-Flash card) for extra music, photos, or recordings.
- Essential Features for Daily Home Needs500+ phonebook entries and 200 SMS storage, with optional voice caller ID announcement (user-set) for missed-call clarity. Built-in utilities: FM radio, MP3/MP4 player, alarm clock, calendar, calculator, and LED torchall in one device. D-Class audio amplifier + loud mono speaker for crisp, high-volume calls even in noisy environments.
- 4G LTE & Basic Connectivity Reliable SignalSupports 4G LTE (Bands 1/3/7/8/20) and 2G/3G networks, compatible with major UK carriers (e.g., EE, O2) for stable coverage. Basic GPRS/HSPA data for emergency web access, no Wi-Fi/GPS to prevent accidental data usage or privacy concerns.
- Safety-Focused & User-Friendly DetailsAnti-slip textured back + lightweight design (~100g) for secure handling; no camera or Bluetooth to safeguard privacy. Preloaded with 7 multilingual packs (English, German, French, etc.), defaulting to English for easy setupideal for multicultural households.
- Packing List1 * Phone, 1 * Charging dock, 1 * Battery, 1 * Charging Cable, 1 * Manuals
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8
8.3
Save 5%
DOOGEE
DOOGEE S cyber Rugged Smartphone Android 14, 10800mAh Battery Rugged Phone，50MP AI Camera, 20GB RAM + 256 ROM, 6.58" FHD+2.4K IPS Waterdrop Phones, 5G WIFI/Dual SIM Phone/Anti-Fingerprint Film
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Main Highlights
- 20GB RAM +256GB ROM Massive Storage: DOOGEE S cyber rugged phone adopt innovative RAM expansion technology, with a massive 20GB ROM (8GB actual memory + 12GB virtual memory), allowing you to smoothly run more applications. DOOGEE Scyber rugged smart phone comes with built-in 256GB ROM, which can be further expanded with a 1TB TF card, eliminating concerns about insufficient storage space.
- 10800mAh Long Life Battery: DOOGEE Scyber rugged smart phone is equipped with a large 10800mAh battery than 3 times that of conventional smartphones, and provides 1250 hours standby time, supports 75 hours talk time, 55 hours music playback, 16 hours video playback and 12 hours game time, meets all your needs and no further charging is needed in the coming days. The doogee phone also features 18W fast charging and OTG capabilities. Use the OTG cable to charge other tablets or smart devices.
- Latest Android 14 OS + Octa-core: DOOGEE S cyber rugged smartphone equipped the latest Android 14 operating system and coupled with an octa-core processor, redefining privacy protection, personalized language settings, and smooth UI interface, offering a more fluid experience and better performance than Android 13.The latest Android 14 operating system brings users a smooth experience and a new realm of intelligent lifewith a customisable permissions and privacy dashboard to protect sensitive data from leaks.
- 6.58-inch Screen + IPS Waterdrop Phone: DOOGEE S Cyber rugged mobile phones have a 6.58-inch HD display with a resolution of 2408 x 1080 and a brightness of 401 Nits, offering an immersive visual journey with incredible sharpness, brightness and image fluidity. DOOGEE mobile phones android 14 with Anti-Fingerprint Film brings you stunning visual enjoyment while protecting your rugged smart phone from damage.
- Keeping Every Moment, Blooming Vivid Beauty: DOOGEE S cyber waterproof phone has a 50MP AI Camera and with 6MP wide-angle camera provides a panoramic view of the vast landscape and records extraordinary viewing angles. It takes stunning photos for clarity and vibrant colours and with intelligent algorithm optimization, every photo is vivid and extraordinary. HDR, portrait, professional, night modes foster creativity. The 16MP front camera, combined with beauty selfie mode, allows you to showcase your unique personality in every photo.
- IP68/IP69K & MIL-STD-810H: Since the rubber design on the four sides is combined with the combination of the metal frame to protect the phone like a car bumper, the phone is particularly resistant to collision. DOOGEE Scyber rugged smartphone is IP68 tested and can survive drops underwater and a sudden downpour.
- Multifunctional Smart phones: GPS+GLONASS+Beidou+Galileo, massive satellites provide you the exact location. Doogee S cyber 4g phone has 2 card slots, you can insert 2 Nano SIM Cards or 1 Nano sim + 1 TF card at the same time. Equipped with anti-fingerprint film, compass, NFC&Google Pay, face/fingerprint recognition and other common outdoor tools. Whether you're an outdoor enthusiast or looking for a device that's perfect for long road trips, doogee s cyber sim free mobile phone is the perfect choice.
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9
Best Value8.1
Save 28%
Nokia
Nokia 110 4G Feature Phone with 4G, Camera, Bluetooth, FM radio, MP3 player, MicroSD, Long-Lasting Battery, and Pre-loaded Games, Dual Sim - Blue
28% Off
Main Highlights
- Feels as fabulous as it looks with its nano pattern finish. It is scratch resistant and feels great in your palm. Whats more, it boasts an unmistakably classic design with sleek, modern touches
- With HD voice support,¹ youll hear and be heard clearly on your calls
- Capture important life events with the rear camera². Click with the rear camera and share with 4G connectivity or Bluetooth
- Tune in to FM radio with or without a headset. With the MP3 player and MicroSD card slot, you can take your favourite songs with you on the go
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10
8.1
Samsung
Samsung Galaxy S25 Edge AI Smartphone, Galaxy AI, Android Smartphone, 12GB Memory, 256GB Storage, 200 MP Camera, Long Battery Life, Titanium Silver, 3 Year Samsung Extended Warranty (UK Version)
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Main Highlights
- Beyond slim: innovation delivers a slim mobile with new design; perfect balance achieved through engineering & craftmanship; welcome to the Edge of premium slim, Galaxy S25 Edge
- Camera: our next-gen ProVisual Engine is now boosted by our powerful processor; capture, view, and edit like never before with our advanced creative system¹ ²
- Performance: the most powerful processor for Galaxy offers improved real-time ray tracing and Vulkan optimisation for ultra-smooth gameplay thanks to Snapdragon 8 Elite Mobile Platform for Galaxy³
- Galaxy AI: ting in the next era of mobile AI; experience an AI companion anticipating your every need and simplifying your life; the full power of AI from the Galaxy S25 Series, now integrated into our latest innovation ¹
- Battery & One UI: enjoy longer battery life thanks to advanced processor; ProScaler AI enhances image quality up to QHD+; Now Brief allows customisable widgets and instant access to alerts, music and more¹¹ ¹² ¹³ ¹
- This device comes with an additional year of warranty. This has been extended by one year by Samsung, and the extension will be automatically recorded on their systems (this may take up to 120 days from purchase). No further action will be required by you to obtain the extended warranty
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