Best Portable Chargers for Smartphones UK

March 31, 2026

In today's fast-paced world, staying connected is more important than ever, and having a reliable portable charger for your smartphone can make all the difference. This guide covers the best portable chargers available in the UK, highlighting their key features, capacities, and charging speeds. Whether you're commuting, travelling, or simply out and about, a portable charger ensures that your smartphone remains powered throughout the day.

This guide is designed for anyone looking to purchase a portable charger for their smartphone, whether you're a frequent traveller, a busy professional, or a student on the go. You'll learn about essential factors such as battery capacity, charging speed, and portability, along with price ranges typically found in the market. Expect to find chargers ranging from budget-friendly options to higher-end models with advanced features.

Research Battery Capacity

When selecting a portable charger, consider the battery capacity measured in mAh (milliampere-hour). A higher mAh rating means more charging power. For a smartphone, look for chargers with at least 5,000mAh to ensure you can fully recharge your device at least once.

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Check Dimensions and Weight

Portability is key when choosing a charger. Look for a lightweight and compact design that can easily fit in your bag or pocket. Ideally, aim for a charger that balances capacity with size, making it easy to carry without sacrificing power.

Consider Charging Speed

Fast charging technology can significantly reduce the time it takes to recharge your smartphone. Look for chargers that support fast charging protocols such as PD (Power Delivery) or Quick Charge, which can provide higher wattage and quicker charging times.

Look for Safety Features

Safety should be a priority when selecting a portable charger. Ensure the charger has built-in protections against overcharging, overheating, and short-circuiting. This will help safeguard both the charger and your smartphone during use.

Set a Budget

Portable chargers can vary widely in price. Set a budget before you start shopping, as you can find good options ranging from £15 to £50, depending on the features and capacity. Remember, investing a bit more may yield a charger with better performance and durability.

Check for Warranty and Support

Lastly, consider the warranty and customer support offered by the manufacturer. A good warranty can provide peace of mind, ensuring that you can get support or a replacement if needed. Look for brands that are known for their customer service and reliability.