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10 Best Portable Car Battery Chargers 2025 in the United States

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#1

Winner

NOCO Boost Plus GB40 1000A UltraSafe Car Battery Jump Starter, 12V Jump Starter Battery Pack, Battery Booster, Jump Box, Portable Charger and Jumper Cables for 6.0L Gasoline and 3.0L Diesel Engines

The NOCO Boost Plus GB40 is a powerful, compact portable car battery charger that offers up to 1000 amps of peak output current, making it capable of jump-starting gasoline engines up to 6.0 liters and diesel engines up to 3.0 liters. A key strength is its UltraSafe design, which includes spark-proof technology and reverse polarity protection, ensuring safe and mistake-proof connections.

This device is highly portable, weighing just 7.9 ounces with a rugged and water-resistant enclosure, making it suitable for use in various climates. It also functions as a multi-purpose tool, doubling as a power bank for USB devices and featuring a 100-lumen LED flashlight with multiple modes, including emergency strobe and SOS.

The GB40’s lithium battery can provide up to 20 jump starts on a single charge and recharges quickly via USB-C in about three hours. Some users might find the lack of an included wall charger inconvenient, and the relatively short 24-inch booster cables might pose a challenge in some scenarios. The NOCO Boost Plus GB40’s combination of safety features, portability, and additional functionalities makes it an excellent choice for anyone needing a reliable and versatile car battery charger.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Portability
Its compact size and powerful performance make it a perfect gift, enabling elderly parents to maintain their independence.
Additional Features
Aside from jump-starting cars, it doubles as a phone charger and includes a handy LED flashlight, adding to its versatility.
#2

NOCO Boost HD GB70 2000A UltraSafe Car Battery Jump Starter, 12V Battery Booster Pack, Jump Box, Portable Charger and Jumper Cables for 8.0L Gasoline and 6.0L Diesel Engines

The NOCO Boost HD GB70 is a powerful and versatile portable car battery charger. With a peak output of 2000 amps, it can jump start dead batteries in gasoline engines up to 8.0 liters and diesel engines up to 6.0 liters. It's highly portable, weighing just 5 pounds and featuring a compact design, making it easy to store and carry.

One of its standout strengths is its comprehensive safety features, which include spark-proof technology and reverse polarity protection, ensuring safe and mistake-free operation. Additionally, its robust construction, with a water-resistant IP65 rating and a rugged rubberized casing, makes it durable for varied climates and conditions.

The device is also multifunctional, serving as a power bank to recharge USB-C devices and featuring a 400-lumen LED flashlight with multiple modes, including an emergency strobe and SOS function. This adds significant value, especially for emergencies. While it is capable of up to 40 jump starts on a single charge, its recharging time is relatively long at 6 hours if using a 2.1-amp USB-C port. The unit's price point may also be a consideration for some buyers, given its advanced features and robust build. For those in need of a reliable, high-performing car battery charger with added functionality and enhanced safety features, the NOCO Boost HD GB70 is a compelling option.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Amperage
This device can jump start up to 30 cars on a single charge, far exceeding the advertised 20 cars.
Portability
It's compact and lightweight compared to traditional jump boxes, making it easy to carry around.
Compatibility
It can handle a wide range of vehicles, from tiny electric cars to large diesel trucks, with ease.
Additional Features
The unit's battery level remains high even after several jump starts, indicating excellent battery life.
#3

Clore Automotive Jump-N-Carry JNC660 1700 Peak Amp 12 Volt Jump Starter , Blue

The Clore Automotive Jump-N-Carry JNC660 is a robust jump starter with 1700 peak amps and 425 cranking amps, making it powerful enough to handle demanding jump-start tasks, including those in extremely cold weather. Its 22Ah Clore PROFORMER Battery ensures reliable performance and durability. The heavy-duty clamps and 46-inch #2 AWG cables enhance its efficiency in transferring power to your vehicle's battery.

The built-in automatic charger is a convenient feature that keeps the unit ready for use. Additionally, it has a DC outlet to power 12-volt accessories and a voltmeter to indicate the battery's charge status, adding to its versatility. The device is relatively portable, weighing 18 pounds and having compact dimensions, although it may be slightly heavy for some users. Safety features include industrial-grade clamps and a status indicator, but the lack of more advanced safety features like reverse polarity protection could be a drawback for some users.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Portability
The JNC660 is rock solid and inspires confidence, fitting easily in a trunk or behind a seat.
Compatibility
It's powerful enough to jump-start larger diesel trucks and multiple vehicles on a single charge.
Additional Features
The long reach cables are a standout feature, making it easy to connect without holding the jump pack up.

Buying Guide for the Best Portable Car Battery Chargers

Choosing the right portable car battery charger can be a bit overwhelming, but with the right knowledge, you can find the perfect fit for your needs. Portable car battery chargers are essential for ensuring that your vehicle's battery remains charged and ready to go, especially in emergencies. When selecting a charger, consider the following key specifications to make an informed decision.
AmperageAmperage refers to the amount of current the charger can deliver to the battery. This is important because it determines how quickly the charger can recharge your battery. Chargers with lower amperage (1-2 amps) are suitable for maintaining a battery over time, while higher amperage chargers (10 amps or more) can recharge a dead battery much faster. If you need a charger for emergency situations, a higher amperage model is preferable. For regular maintenance, a lower amperage charger will suffice.
VoltageVoltage indicates the electrical potential the charger can provide. Most car batteries are 12 volts, so a 12-volt charger is typically what you need. However, some vehicles, like motorcycles or lawnmowers, may use 6-volt batteries. Ensure the charger you choose matches the voltage of your vehicle's battery. Some chargers are versatile and can handle both 6-volt and 12-volt batteries, which can be useful if you have multiple types of vehicles.
PortabilityPortability is a key feature for a car battery charger, as it determines how easy it is to carry and store the device. Smaller, lightweight chargers are easier to handle and can be conveniently stored in your vehicle. However, they may have fewer features or lower power output. Larger chargers might offer more power and additional features but can be bulkier and less convenient to transport. Consider how often you will need to move the charger and where you will store it when making your decision.
Safety FeaturesSafety features are crucial to prevent accidents and damage to your battery or vehicle. Look for chargers with features like reverse polarity protection, which prevents damage if the clamps are connected to the wrong terminals, and overcharge protection, which stops charging once the battery is full. Other useful safety features include short-circuit protection and spark-proof technology. These features ensure that using the charger is safe and reduces the risk of damaging your battery.
Charging ModesCharging modes refer to the different settings a charger can offer, such as trickle charge, fast charge, and maintenance mode. Trickle charge is a slow, steady charge that is ideal for maintaining a battery over long periods. Fast charge is useful for quickly recharging a dead battery. Maintenance mode helps keep the battery at an optimal charge level without overcharging. Depending on your needs, you may want a charger that offers multiple modes for versatility.
CompatibilityCompatibility ensures that the charger can work with your specific type of battery, whether it's a lead-acid, AGM, gel, or lithium-ion battery. Not all chargers are compatible with every type of battery, so it's important to check the specifications of both your battery and the charger. Using an incompatible charger can damage your battery and reduce its lifespan. Make sure to choose a charger that is designed to work with the type of battery in your vehicle.
Additional FeaturesAdditional features can enhance the functionality and convenience of a car battery charger. Some chargers come with built-in USB ports for charging other devices, LED indicators to show the charging status, or even built-in air compressors. While these features are not essential, they can add value and make the charger more versatile. Consider which additional features might be useful for you based on your specific needs and preferences.

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