Best selling Car battery chargers

Here's a ranking of the best products in this category. To give you a quick overview, we've also added some key information about the products.

1. Ctek MXS 5.0 (CH version)

Automatic charging and maintenance of car and motorcycle batteries with reconditioning mode. The MXS 5.0 is a highly advanced microprocessor-controlled battery charger that delivers unmatched performance when charging lead-acid batteries between 1.2 and 110 Ah. It features integrated automatic temperature compensation to achieve optimal charging performance even under the most extreme conditions. Additionally, the MXS 5.0 includes a battery diagnosis function that determines whether the battery can accept and hold a charge, a patented automatic desulfation program, an AGM option to maximize the lifespan of most start/stop batteries, and a special recond mode for reconditioning deeply discharged batteries. The MXS 5.0 utilizes CTEK's patented Float/Pulse system, which is the most efficient maintenance charging mode when a battery is connected to the charger for an extended period. Features: Charging of batteries up to 110 Ah. 

2. Ctek Mxs 10.0

Test winner of the charger comparison test by Autobild (issue 43/2010). Ctek battery charger suitable for all types of 12V lead-acid batteries (flooded, maintenance-free, AGM, calcium/calcium, and gel batteries). The MXS 10.0 is the perfect 12V universal charger. It is ideal for charging larger batteries for caravans, motorhomes, boats, and vehicles. These types of vehicles often require charging functions that can solve a variety of battery issues.

The MXS 10.0 offers a range of features, such as a battery diagnosis that indicates whether the battery can accept and hold a charge, a special reconditioning function that restores deeply discharged batteries with acid stratification, a unique maintenance charging function, a mode for optimized charging on cold winter days, and the ability to charge demanding AGM batteries (i.e., Optima). Additionally, it has a power supply function that allows the battery to be disconnected from the vehicle without losing important configurations.

The MXS 10.0 is a fully automatic 8-step charger with a charging current of 10A for 12V batteries from 20 to 300 Ah. The charger has an IP65 protection rating (protected against dust and splashing water), is designed to protect vehicle electronic systems, is spark-proof, and is reverse polarity and short-circuit protected.

Details: Desulfation, perfect charging and maintenance charging, unique regeneration of deeply discharged batteries. 

3. Noco G10

Smart and compact battery charger. Charges fully discharged batteries up to 230 Ah. Connect to the battery, select the charging mode, and start charging your battery. A fully automatic, worry-free battery charger with thermal compensation for year-round use. Designed for 6-volt and 12-volt lead-acid batteries. Suitable for automotive, marine, and cyclic batteries, including gel, AGM, maintenance-free batteries, and lithium-ion batteries. 

4. Ctek MXS 5.0 EU-Version

Automatic charging and maintenance of car and motorcycle batteries with reconditioning mode. The MXS 5.0 is a highly advanced microprocessor-controlled battery charger that offers unmatched performance when charging lead-acid batteries between 1.2 and 110 Ah. It features integrated automatic temperature compensation to achieve optimal charging performance even under the most extreme conditions. Additionally, the MXS 5.0 includes a battery diagnosis function that determines whether the battery can accept and hold a charge, a patented automatic desulfation program, an AGM option to maximize the lifespan of most start/stop batteries, and a special recond mode for reconditioning deeply discharged batteries. The MXS 5.0 utilizes CTEK's patented Float/Pulse system, which is the most efficient maintenance charging mode when a battery remains connected to the charger for an extended period. Features: Charges batteries up to 110 Ah, easy-to-read LED display, splash and dust resistant (IP65), spark-free, reverse polarity protected, short-circuit proof. 

5. Ctek Charger

The MXS 3.8 is a highly advanced, microprocessor-controlled battery charger with patented float/pulse maintenance charging for batteries ranging from 1.2 Ah to 85 Ah. It addresses a range of battery issues and is an ideal charger for daily use. The features of the MXS 3.8 include a battery condition diagnosis to determine if the device can receive and hold a charge, a patented automatic desulfation program, and a special "snowflake" mode for optimal charging on cold winter days. The patented float/pulse maintenance charging makes the MXS 3.8 perfect for long-term maintenance. The entire process of battery testing, charging, and maintenance can be easily monitored on the clear LED display. The MXS 3.8 is a fully automatic 12 V charger based on the "plug and forget" principle with 7 charging stages; it offers selectable programs with 0.8 A and 3.8 A. The 3.8 A program features a "snowflake" mode. It has a wide charging range for all lead-acid battery types from 1.2 Ah to 80 Ah, with additional maintenance charging capacity up to 130 Ah. It is splash-proof and dust-proof (IP65). The MXS 3.8 is safe and easy to use, spark-free, reverse polarity protected, and short-circuit proof, safeguarding vehicle electronics. It comes with a 5-year warranty. 

6. Tecmate OptiMate 4 Quad Programme

OptiMate 4 Quad Program, for the ultimate maintenance of high-tech 12V/12.8V batteries in your adventure, touring, cruiser, or racing motorcycle, as well as ATVs, side-by-sides, and jet skis. The world's most advanced battery charger for motorsport. Choose Program 1 or 3 to charge the battery directly or via a powered 12V socket, or Program 2 or 4 to charge through a BMW CAN-Bus controlled 12V socket. The fully automatic multi-stage program safely brings the battery to full charge. Select the battery type and charging needs, and the OptiMate 4 Quad Program takes care of the rest without requiring supervision.

Features:

For all 12V power sport battery types, including lead-acid (Pb) > STD (with fill caps), AGM & GEL (sealed VRLA), and Li-Ion, made with LiFePO4 / LFP technology.
- BMW motorcycle CAN-Bus compatible, automatic activation.
- Intelligent desulfation starting from 0.5V, for lead batteries.
- Can remain connected without issues.
- Complete electronic protection.

Maintains full charge and health of the battery.
- Low voltage recovery and BMS reset for LFP batteries.
- Tests the health status of the battery.
- Energy-saving technology.
- Standby power under 0.5W.
- Efficient 24/7 battery maintenance.
- Weather-resistant, can still be used at -40°C / -40°F. 

7. Ctek Lithium XS

Charger for 12-volt batteries, suitable for lithium iron phosphate batteries. It features convenient status LEDs and an eight-stage fully automatic charging cycle. The application is simple: plug in and charge. With an IP65 protection class, it is splash-proof and dust-proof and comes with a Schuko plug.

The Lithium XS is a charger specifically designed for charging and balancing the cells of lithium iron phosphate batteries (LiFePO4). With up to 5 A of available charging current, the Lithium XS is very flexible and charges LiFePO4 batteries from 5 Ah to 60 Ah. It provides maintenance charging for batteries up to 120 Ah.

Charging occurs fully automatically in an eight-stage cycle that maximizes the battery's lifespan and performance, making it extremely user-friendly.

The eight-stage charging cycle includes the following steps:
1. Accept: Checks if the battery can accept a charge to prevent charging a defective battery.
2. Bulk: The battery is charged with maximum current until approximately 90% of its capacity is reached.
3. Absorption: Charging with decreasing current up to 95% of the battery capacity.
4. Analysis: Checks whether the battery can hold a charge. Batteries that cannot hold their charge may need to be replaced.
5. Completion: Final charging at reduced current up to about 98% of the battery capacity.
6. Maximization: Final charging at maximum voltage up to 100% of the battery capacity.
7. Float: The battery voltage is maintained at its maximum value by charging with constant voltage.
8. Maintenance charge: The battery capacity is kept at 95 to 100%.

The charger monitors the battery voltage and provides a charging pulse as needed to keep the battery fully charged. 

8. Ctek XS 0.8

The XS 0.8 is CTEK's smallest 12V charger. It is equipped with state-of-the-art technology and is perfect for charging smaller 12V batteries, such as those found in motorcycles, jet skis, quads, and lawnmowers. Additionally, it is suitable for maintenance charging of standard-sized batteries, such as car batteries. The unique display allows the user to monitor the entire charging process. The XS 0.8 is a compact, fully automatic 6-step charger for 12V batteries ranging from 1.2 to 32 Ah, as well as for maintenance charging of up to 100 Ah. The XS 0.8 has an IP 65 protection rating (dust and splash proof), delivers 0.8 A, and protects vehicle electronics. It is spark-proof, reverse polarity, and short-circuit safe. The XS 0.8 comes with a 5-year warranty. 

9. AEG Automatic charger

Microprocessor charger with intelligent 9-stage automatic charging cycle for comprehensive battery care. It features fully automatic, microprocessor-controlled diagnostics, rescue, charging, and maintenance functions. The charger is particularly gentle on batteries thanks to its soft charging function. It includes a rescue function specifically designed for deeply discharged batteries, which activates at just 1.5 V. The charger has an LED display, a supply function, and a temperature sensor. It is suitable for all common 12 and 24 V automotive batteries. 

10. Noco Genius 5EU

This fully automatic battery charger is suitable for 6-volt and 12-volt lead-acid batteries as well as lithium-ion batteries in cars, motorcycles, RVs, boats, and scooters. It can even charge nearly empty batteries with only 1 volt of remaining voltage. With the help of the integrated temperature sensor, the device measures the ambient temperature and adjusts the charging power accordingly. This prevents overcharging in heat and undercharging in cold conditions. In addition to the various charging modes, there is also a 12V repair mode, which is an advanced recovery mode for repairing and storing old, unused, damaged, layered, or sulfated batteries. In forced mode, even completely empty batteries with no remaining voltage can be manually recharged. The package includes the battery charger with interchangeable connection, a user manual, two cutting screws, a mounting bracket with Velcro, and clamps with integrated eyelets. 

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