10 Best Portable Jump Starters 2025 in the UK

The NOCO Boost Plus GB40 is a portable jump starter that delivers impressive power with 1000 peak amps, making it suitable for petrol engines up to 6.0 liters and diesel engines up to 3.0 liters. This means it can handle a variety of vehicles, providing up to 20 jump starts on a single charge, which is quite efficient. Its compact size and lightweight design (2.4 pounds) enhance portability, which is crucial for a device intended to be carried around in a car. Safety is a priority with this product, as it includes spark-proof technology and reverse polarity protection, making it user-friendly and minimizing the risk of incorrect connections.

In terms of additional features, the GB40 serves as a multi-functional tool. It acts as a portable power bank capable of recharging USB devices and includes a 100-lumen LED flashlight with multiple modes, making it a handy companion during emergencies. Its durable and rugged build, with an IP65 water-resistant enclosure, ensures it can withstand various environmental conditions.

However, the device might have limitations such as needing a relatively long recharge time of 3 hours via USB, which might be inconvenient for some users. While it boasts advanced features and an easy-to-use interface, the product may not cover larger diesel engines above 3.0 liters, potentially narrowing its utility for certain users. Despite these minor drawbacks, the GB40 stands out in the market, evidenced by its high customer review ratings, showcasing its reliability and effectiveness for typical users looking for a compact and versatile jump starter.

The FLYLINKTECH portable car jump starter stands out due to its significant 2500A peak current, which is capable of jump-starting cars with up to 6.0L gas or 5.0L diesel engines efficiently. Although not the highest in peak amps for this category, it provides reliable power for most vehicles and can do so multiple times before needing a recharge. The 13200 mAh battery capacity doubles as a power bank, making it versatile for charging other devices on the go. Its compact size and lightweight design, weighing just 380 grams, make it highly portable and easy to store in your vehicle or carry along for trips.

Safety is well-addressed with eight types of protection systems, including reverse polarity and explosion protection, ensuring a safe user experience. The IP67 rating means it’s robust enough to withstand dust and water exposure, making it suitable for outdoor use in various weather conditions. It also features an ultra-bright LED flashlight with multiple modes, useful for emergencies.

There are some limitations. While the product is equipped with useful features like an EC5 cigarette lighter adapter, the peak amperage might not be sufficient for larger engines above 6.0L gas or 5.0L diesel. Furthermore, while the compact design is a plus, the product may require frequent recharging if used extensively as a power bank.

In terms of durability, the jump starter is designed to last, with solid build quality, but users should ensure proper handling to maximize its lifespan. It’s easy to use with smart clamps included, making it a great choice for drivers who want a straightforward, reliable jump starter. Given its rating of 4.4 out of 5 stars from nearly 10,000 customers, it's clear that many find it effective and dependable for everyday and emergency use.

The NOCO Boost X GBX45 is a powerful portable jump starter designed for versatility and reliability. Rated at 1250 amps, it has the capability to jump start engines up to 6.5 liters for gasoline and 4.0 liters for diesel, making it suitable for a wide range of vehicles including cars, motorcycles, trucks, and boats. Its compact size and weight (1.2 kg) enhance its portability, allowing easy transportation and storage. The device includes advanced safety features such as spark-proof technology and reverse polarity protection, ensuring safe operation even for users who are not familiar with handling battery packs.

One standout feature is its Turbo Chargeable capability with USB-C Power Delivery, which allows rapid recharging within 48 minutes, and the ability to power various USB-C devices owing to its 60-watt internal power bank. This makes it not just a jump starter, but also a practical power bank for charging phones, tablets, and other gadgets.

The build quality seems robust, with a machined exterior and a multifunctional LED flashlight, including an SOS mode, adding extra utility in emergencies. However, while the device is versatile and packed with features, its peak output current (250 Amps) might not be sufficient for larger, heavy-duty vehicles compared to some other models with higher peak amps, which could be a limitation depending on the user’s needs. The relatively high price point might also be a consideration for those who need a simple jump starter without additional features.

In conclusion, the NOCO Boost X GBX45 is well-suited for those seeking a reliable, advanced jump starter with added functionalities for multiple use scenarios, especially if portability and fast charging are a priority.