Fast-charging tech has emerged as a defining characteristic of premium smartphones by 2025. With UK consumers increasingly demanding greater efficiency and convenience, manufacturers are racing to offer devices that can achieve a full charge in record time. Everything from wired speeds on the cusp of 100W to breakthroughs in battery health and longevity means that the UK smartphone market remains more interesting than ever. This post outlines the ultra-fast charging smartphones that can be purchased in the UK as of April 2025, comparing and contrasting them so consumers can make informed purchasing decisions.
Ultra-Fast Charging is On the Rise
Smartphone charging speeds have taken a massive leap in the last five years, as different brands have rolled out proprietary technologies to cut down the amount of time it takes to charge a device. SuperVOOC, TurboPower and HyperCharge are among the brands of such innovations common today, capable of getting a phone from empty to 100 percent in under 30 minutes. And in the UK, this shift has been positively received, particularly as users rely heavily on their phones for work, entertainment, and productivity.
UK’s Top Fastest Charging Smartphones (2025)
OnePlus 13
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Wired Charging: 100W SuperVOOC
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Battery: High-density silicon nanostack
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Charging Time: Approx. 35–40 mins for full charge
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Availability: Widely available across UK retail and online channels
With its fusion of high-charged rates and battery endurance, fuelled by some of the latest silicon battery tech, the OnePlus 13 continues to lead the pack.
Motorola Edge 50 Pro
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Wired: 125W TurboPower
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Battery: 4,500mAh
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Charging Time: 15 minutes for 70% charge
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Availability: Available via major UK carriers and electronics retailers
Each of these companies employs a different approach to speed, but Motorola’s TurboPower is tailored to users who prioritise uptime above all else.
Xiaomi 15 Ultra
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Charge Type: 90W HyperCharge (wired)
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Battery: 5,240mAh
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Full Charge Time: ~30 min.
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Edition: Recently launched in the UK at flagship pricing
With a combination of a large battery to satisfy even the most demanding users paired with blazing-fast charging, the Xiaomi 15 Ultra caters to those looking for endurance and speed in one device.
Samsung Galaxy S25 Ultra
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Wired Charging: 45W Super Fast Charging 2.0
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Battery: (Unspecified)
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Battery Charging Speed: ~50% in 30 mins
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Availability: Widely available across the UK, supported by Samsung’s full ecosystem
With speed being more of a conservative concern, Samsung leans into battery health and intelligent charging routines. This approach aims to maximise battery lifespan while still offering respectable fast-charging capabilities.
Apple iPhone 16 Pro Max
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Wireless Charging: Up to 25W (with 20W adapter or higher using MagSafe)
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Battery: (Unspecified)
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Charge Time: ~50% in 30 minutes
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Availability: Available via Apple UK and all major UK electronics retailers
Apple’s solution focuses on seamless integration and untethered convenience. It provides secure, stable charging within the iOS ecosystem, with MagSafe remaining central to their wireless strategy.
Rate at Which You Charge vs. How Long the Battery Lasts
Faster charging certainly has its appeal, but it can come at a potential cost to long-term battery health. This is something UK consumers should be mindful of when choosing a device. Some manufacturers, like Samsung and OnePlus, have introduced adaptive charging systems that analyse usage habits and adjust the flow of current accordingly to maximise battery life.
Also, it’s important for users to ensure that cables and chargers are certified and capable of safely handling higher wattages, especially with speeds reaching 100W and beyond.
The Future of Smartphone Charging
In turn, we can expect rapid evolution in charging technology. Here are some of the key developments on the horizon:
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200W+ pillar-style charging solutions
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Greater adoption of GaN chargers for better heat efficiency
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Standardised cross-brand protocols such as USB Power Delivery 3.1
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More durable and safer solid-state batteries
The UK market, which is both highly regulated for consumer safety and driven by eco-efficiency goals, is well-positioned to be at the forefront of adopting these next-gen charging technologies responsibly.
Conclusion
Fast-charging smartphones in 2025 have delivered outstanding performance, offering a wide array of options for UK consumers. From charging speed to battery capacity and long-term health considerations, there’s a device out there for everyone.
With continued advancements in this space, a future with even shorter charging times and more intelligent battery systems is on the horizon.
Choose wisely, and keep the power going.