We Use CookiesWe use cookies to enhance the security, performance,
functionality and for analytical and promotional activities. By continuing to browse this site you
are agreeing to our privacy policy
10 Best Car Battery Chargers 2025 in the United States
#1
Winner
NOCO GENIUS1, 1A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries
The NOCO GENIUS1 is a highly versatile and efficient smart car battery charger designed for 6V and 12V batteries. With a 1A output, it can charge and maintain a variety of battery types, including sealed lead-acid, lithium-ion, and deep-cycle batteries. One of its standout features is its compact size—35% smaller than similar models—yet it delivers over 35% more power, making it easy to store and transport.
Rating
9.8
Chosen by1,230
Charging Modes
Safety Features
Compatibility
Most important from
54431 reviews
#2
NOCO GENIUS10, 10A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries
The NOCO GENIUS10 is a versatile and powerful smart car battery charger that meets a variety of needs for automotive, marine, RV, and powersport batteries. It delivers 10 amps of power and is compatible with both 6V and 12V batteries, including lithium and deep-cycle types, making it suitable for a wide range of vehicles and battery types. One of its standout features is its ability to charge dead batteries as low as 1 volt and even has a 'force mode' for manual charging of batteries down to zero volts.
Rating
9.6
Charging Modes
Safety Features
Portability
Most important from
18618 reviews
#3
NOCO GENIUS5, 5A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries
The NOCO GENIUS5 is a versatile and powerful car battery charger that delivers numerous functionalities in a compact design. With a 5-amp output, it supports both 6V and 12V batteries, making it suitable for a wide range of vehicles including cars, motorcycles, ATVs, and even marine and RV batteries. The charger offers multiple modes such as battery maintainer, trickle charger, float charger, and battery desulfator, providing comprehensive care for your batteries.
Rating
9.3
Amperage
Charging Modes
Safety Features
Most important from
18795 reviews
Top 10 Best Car Battery Chargers 2025 in the United States
#1
Winner
9.8 score
NOCO GENIUS1, 1A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries
NOCO GENIUS1, 1A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries
Amperage: 1 Amps
Voltage: 6V and 12V
Charging Modes: charger, maintainer, trickle, float, desulfator
Safety Features: spark-proof, reverse polarity, thermal sensor, IP65
Portability: compact, 35% smaller
Compatibility: cars, motorcycles, boats, RVs
Chosen by 1230 this week
NOCO GENIUS10, 10A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries
NOCO GENIUS10, 10A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries
Amperage: 10 Amps
Voltage: 6V and 12V
Charging Modes: Force Mode, Battery Repair Mode
Safety Features: Spark-proof, Reverse polarity, IP65, Thermal sensor
Compatibility: Automotive, Marine, RV, Powersport, Lithium, Deep-cycle
NOCO GENIUS5, 5A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries
NOCO GENIUS5, 5A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries
Amperage: 5-amp
Voltage: 6V and 12V
Charging Modes: maintainer, trickle, float, desulfator
Safety Features: spark-proof, reverse polarity, thermal sensor, IP65
Portability: lightweight, compact (1.6 pounds)
Compatibility: cars, motorcycles, ATVs, marine, RV
NOCO GENIUS2, 2A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries
NOCO GENIUS2, 2A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries
Amperage: 2 amps
Voltage: 6V and 12V
Charging Modes: maintainer, trickle, float, desulfator
Safety Features: prevents overcharging, thermal sensor
Portability: compact, 30% smaller, easy to store
Compatibility: cars, motorcycles, ATVs, boats, lead-acid, lithium-ion
Battery Tender Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports for Motorcycle, ATVs, and More - Smarter Than a Trickle Charger - 021-0123
Battery Tender Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports for Motorcycle, ATVs, and More - Smarter Than a Trickle Charger - 021-0123
Amperage: 0.75 Amps
Voltage: 12 Volts
Charging Modes: Initialization, Bulk, Absorption, Float
Safety Features: spark-proof, reverse hook-up detection
Portability: lightweight (1 lb), compact (3.3x1.3x2.4 in)
Compatibility: 12V lead-acid, flooded, AGM, gel
Related Products
Up to 33% off
YONHAN Battery Charger 10-Amp 12V and 24V Fully-Automatic Smart Car Battery Charger, Battery Maintainer Trickle Charger, and Battery Desulfator with Temperature Compensation
YONHAN Battery Charger 10-Amp 12V and 24V Fully-Automatic Smart Car Battery Charger, Battery Maintainer Trickle Charger, and Battery Desulfator with Temperature Compensation
Amperage: 10A
Voltage: 12V, 24V
Charging Modes: trickle charge, battery repair
Safety Features: overcharge, overvoltage, overcurrent, short circuits
Portability: lightweight, compact
Compatibility: AGM, GEL, SLA, Flooded
Schumacher Electric Advanced Battery Charger and Engine Starter, SC1281, 5-in-1 Solution for 6/12V Batteries, 6A Charging with 100A Engine Start, for Motorcycle, Car, Truck, and Marine Batteries
Schumacher Electric Advanced Battery Charger and Engine Starter, SC1281, 5-in-1 Solution for 6/12V Batteries, 6A Charging with 100A Engine Start, for Motorcycle, Car, Truck, and Marine Batteries
Amperage: 30 Amps
Voltage: 120 Volts
Charging Modes: Automatic, maintain mode
Safety Features: Incorrect connections, bad battery detection
Portability: 12.65 pounds
Compatibility: 6V and 12V batteries, motorcycles, cars
Battery Tender Plus 12V 1.25 AMP Car & Motorcycle Battery Charger and Maintainer, Float Charge for Automotive, and ATVs - Smarter Than a Trickle Charger
Battery Tender Plus 12V 1.25 AMP Car & Motorcycle Battery Charger and Maintainer, Float Charge for Automotive, and ATVs - Smarter Than a Trickle Charger
Amperage: 1.25 amps
Voltage: 12 Volts
Charging Modes: 4-step program
Safety Features: fused ring terminal, alligator clip
Portability: 1.45 pounds, compact
Compatibility: 12V batteries
NEXPEAK NC201 10-Amp Battery Charger, Smart Trickle Charger 12V 24V Car Battery Charger Fully Automatic Maintainer Desulfator w/Temp Compensation for Car Truck Lawn Mower Boat Marine Batteries
NEXPEAK NC201 10-Amp Battery Charger, Smart Trickle Charger 12V 24V Car Battery Charger Fully Automatic Maintainer Desulfator w/Temp Compensation for Car Truck Lawn Mower Boat Marine Batteries
Amperage: 10-Amp for 12V, 5-Amp for 24V
Voltage: 12V, 24V
Safety Features: reverse polarity, overcurrent, overcharge, short-circuit
Portability: 1.23 pounds, compact dimensions
Compatibility: AGM, GEL, SLA, Flooded
#10
7.4 score
NOCO GENIUS2D, 2A Direct-Mount Onboard Car Battery Charger, 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Marine, ATV, Truck and Deep Cycle Batteries
NOCO GENIUS2D, 2A Direct-Mount Onboard Car Battery Charger, 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Marine, ATV, Truck and Deep Cycle Batteries
Amperage: 2 amps
Voltage: 12 Volts
Charging Modes: charging, maintaining, trickle, float, desulfating
Safety Features: digital thermal sensor
Portability: lightweight, 0.73 pounds, compact
Compatibility: 12-volt batteries, cars, marine, RVs
Recommended lists
Top rated
Battery Chargers
How do we rank products for you?
Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.
Buying Guide for the Best Car Battery Chargers
Choosing the right car battery charger is essential to ensure your vehicle's battery remains in good health and is always ready to go. A car battery charger can help you avoid the inconvenience of a dead battery and extend the life of your battery. When selecting a car battery charger, it's important to consider several key specifications to ensure you get the best fit for your needs. Understanding these specifications will help you make an informed decision and choose a charger that meets your requirements.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 higher amperage can charge batteries faster, which is useful if you need a quick charge. However, for regular maintenance charging, a lower amperage charger is sufficient and can be gentler on the battery. If you need to charge your battery quickly, look for a charger with higher amperage (10 amps or more). For maintenance or trickle charging, a lower amperage (2-5 amps) is usually adequate.
VoltageVoltage is the electrical potential difference that the charger provides. Most car batteries are 12 volts, so you'll need a charger that matches this voltage. Some chargers are versatile and can handle multiple voltages, such as 6V and 12V, which can be useful if you have different types of batteries to charge. Ensure the charger you choose matches the voltage of your car battery to avoid any damage or ineffective charging.
Charging ModesCharging modes refer to the different settings a charger can offer, such as fast charge, trickle charge, and maintenance charge. These modes are important because they allow you to choose the appropriate charging method based on your needs. Fast charge is useful for quickly recharging a dead battery, while trickle charge is ideal for maintaining a battery over a long period without overcharging it. Maintenance charge is designed to keep the battery at an optimal level without causing damage. Consider your usage patterns and choose a charger with modes that suit your needs.
Safety FeaturesSafety features are crucial to prevent accidents and damage to your battery or vehicle. Important safety features include overcharge protection, short-circuit protection, reverse polarity protection, and thermal protection. These features help ensure that the charger operates safely and prevents any potential hazards. When selecting a charger, prioritize models that offer comprehensive safety features to protect both you and your vehicle.
PortabilityPortability refers to the ease with which you can transport and store the charger. This is important if you need to use the charger in different locations or if you have limited storage space. Portable chargers are typically smaller and lighter, making them easy to carry around. If you need a charger that you can take with you on the go or store in a small space, look for a compact and lightweight model.
CompatibilityCompatibility refers to the charger’s ability to work with different types of batteries, such as lead-acid, AGM, gel, and lithium-ion. This is important because using the wrong type of charger can damage your battery. Ensure that the charger you choose is compatible with the type of battery in your vehicle. If you have multiple vehicles with different battery types, consider a versatile charger that can handle various battery types.