10 Best Harley Davidson Battery Charger of 2025

Tested and Reviewed: Top 10 Harley Davidson Battery Charger deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

NOCO

NOCO GC009 X-Connect SAE Adapter Accessory Genius Smart Battery Chargers

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Editor's bottom line:

“This harley davidson battery charger is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Converts X-Connect to an SAE connector commonly found on traditional chargers.
Conveniently allows the use of existing SAE power adapters and accessories.
Built-in 20A micro-blade fuse for increased safety and protection.
Rugged, watertight connector for maximum performance.
Compatible with G750, G1100, G3500, G7200, and G4 models, as well as GENIUS1, GENIUS2, GENIUS2X2 GENIUS2X4, GENIUS5, and GENIUS10. Not compatible with NOCO Boost or Boost X UltraSafe Lithium Jump Starters.

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9.5

MOTOPOWER

MOTOPOWER MP00205A 12V 800mA Automatic Battery Charger, Maintainer, Trickle and Desulfator

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Main Highlights

Charger, Maintainer & Desulfator - An all-weather battery charger, battery maintainer, trickle charger, and battery desulfator. Perfect for charging and maintaining all 12-volt lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell). ETL safety standard Listed.
Automatic Desulfation & Optimization - Automatic detection of battery sulfation problem. Applying with pulse current technology to desulfate the batteries effectively. Optimize the battery performance during charging without any manual operation.
Energy Saving & Spark Free - Zero output in standby mode. No battery drain when connecting with the battery. Spark proof during lead connection for safety.
ETL/UL Certified, Multi-level Safety Protection & Timer Set Up - ETL safety certified. Overcharge, short circuit and reverse polarity protected. Charge the battery up to 14.4V and Maintain the battery at 13.6V for long time to avoid gasing and to extend the battery life. 24-hour Timer is set up in the program to terminate the charge and enter the maintaining mode once the voltage is above 14V to ensure safety.
Easy Operation -Just plug-in, connect to the battery and start charging or maintaining your battery. The desulfation is working automatically during the charing. No manual operation.

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9.5

NOCO

NOCO GENIUS1: 1A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

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Main Highlights

MEET THE GENIUS1 Similar to our G750, just better. It's 35% smaller and delivers over 35% more power. It's the all-in-one charging solution - battery charger, battery maintainer, trickle charger, plus desulfator.
DO MORE WITH GENIUS Designed for 6-volt and 12-volt lead-acid (AGM, Gel, SLA, VRLA) and lithium-ion (LiFePO4) batteries, including flooded, maintenance-free, deep-cycle, marine and powersport batteries.
ENJOY PRECISION CHARGING An integrated thermal sensor dynamically adjusts the charge based on ambient temperature, preventing overcharging in hot weather and undercharging in cold, ensuring optimal battery performance.
CHARGE DEAD BATTERIES Charge batteries from as low as 1 volt, or use Force Mode to manually charge completely dead batteries down to zero volts. Perfect for recovering deeply discharged or neglected batteries.
BEYOND MAINTENANCE Keep your battery fully charged without worrying about overcharging. Our smart charger constantly monitors the battery, allowing you to leave it connected safely - indefinitely - for worry-free maintenance.
RESTORE YOUR BATTERY Precision pulse charging automatically detects and reverses battery sulfation and acid stratification, restoring your battery's health for improved performance and extended lifespan.
COMPATIBLE Charges and maintains all types of vehicles, including cars, automobiles, motorcycles, mopeds, lawn mowers, ATVs, UTVs, tractors, trucks, SUVs, RVs, campers, trailers, boats, PWCs, jet skis, classic cars, and more.
WHAT'S IN THE BOX Includes a 1A charger, a direct wall plug-in, 110-inch DC cable with battery clamps, and integrated eyelet terminals, and 3-year warranty. Proudly designed in the USA.

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9.2

NOCO

NOCO GENIUS5: 5A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger & Desulfator with Overcharge Protection & Temperature Compensation – for Lead-Acid & Lithium Batteries

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Main Highlights

MEET THE GENIUS5 Similar to our G3500, just better. It's 34% smaller and delivers over 65% more power. It's the all-in-one charging solution - battery charger, battery maintainer, trickle charger, plus desulfator.
DO MORE WITH GENIUS Designed for 6-volt and 12-volt lead-acid (AGM, Gel, SLA, VRLA) and lithium-ion (LiFePO4) batteries, including flooded, maintenance-free, deep-cycle, marine and powersport batteries.
ENJOY PRECISION CHARGING An integrated thermal sensor dynamically adjusts the charge based on ambient temperature, preventing overcharging in hot weather and undercharging in cold, ensuring optimal battery performance.
CHARGE DEAD BATTERIES Charge batteries from as low as 1 volt, or use Force Mode to manually charge completely dead batteries down to zero volts. Perfect for recovering deeply discharged or neglected batteries.
BEYOND MAINTENANCE Keep your battery fully charged without worrying about overcharging. Our smart charger constantly monitors the battery, allowing you to leave it connected safely - indefinitely - for worry-free maintenance.
RESTORE YOUR BATTERY Precision pulse charging automatically detects and reverses battery sulfation and acid stratification, restoring your battery's health for improved performance and extended lifespan.
COMPATIBLE Charges and maintains all types of vehicles, including cars, automobiles, motorcycles, mopeds, lawn mowers, ATVs, UTVs, tractors, trucks, SUVs, RVs, campers, trailers, boats, PWCs, jet skis, classic cars, and more.
WHAT'S IN THE BOX Includes a 5A charger, 72-inch AC cable, 80-inch DC cable with battery clamps, and integrated eyelet terminals, mounting bracket, screws, and a 3-year warranty. Proudly designed in the USA.

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9.0

FOVAL

Foval Automatic Trickle Battery Charger 12V 1000mA Smart Battery Charger

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Main Highlights

Automatic Battery Charger & Maintainer: 1A 12V smart battery charger perfect for SLA / VRLA / GEL CELL / AGM / WET lead acid batteries. It is a battery maintainer, trickle charger, float charger, and battery desulfator, also complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode).
Ultra Compact & Practical: The battery charger is compact and lightweight like the phone, long enough ac cable+ dc cable 102inch long, two types of dc output cable with either the ring or alligator connectors to use. 3.9 x 2.4 x 1.25inchs, 10.5oz.
Widely Compatible: Perfect suitable for cars, golf cars, motorcycles, scooters, lawn mowers, ATVs, UTVs, tractors, trucks, SUVs, RVs, boats, PWCs, jet skis, snowmobiles, classic cars, children's toys and more. automatically switches to float, maintenance voltage after fully charging the battery.
Intuitive led indicators provide visual state-of-charge feedback and diagnostic information, green is power light; green with red means charging; green with yellow means fully charged.
Multi Safety Protections: Safely charged avoid overcharge in hot climates and under-charging in cold climates. Built in circuit protection guards against reverse polarity, over-current, overload protection, over-voltage and more protection. Adopt ABS flame-retardant shell, fireproof, electric shock. Our safe and advanced charging technology automatically
Robust Quality and Service: Choose FOVAL car battery charger. We provide 18 months warranty and after-sale customer service support to make you 100% satisfied. If our product did not meet your expectation, please be free to contact us anytime.

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8.8

Generic

12V Battery Charger Maintainer Trickle for Harley Davidson Motorcycle Car

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Main Highlights

6V/12V Selectable Output-This device is 4 stages smart battery charger by microprocessor controlled with switch mode for 6V and 12V is selectable output. It is ideal for charging your CAR, MOTORCYCLE AND RIDE-ON TOY batteries, and great for agm gel vrla sla wet cell and all Lead Acid Batteries.
2 DC Connector-Two kinds of battery clamps, including battery clamps, battery rings for a more secure connection to battery terminals, can choose battery clamps which suit your equipment.
Easy charging-The battery clamps make it exceptionally easy to charge your car's battery overnight
Automatic charging/ maintaining-The device is fully automatic to identify the level of charge on any type of battery and maintain a level of maximum charge and it's high frequency charging technology.

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8.6

Unocho

6V 12V Battery Charger 1.5A Automatic Battery maintainer trickle Battery Charger Smart Float Charger for auto car Motorcycle Lawn Mower Boat Motorcycle Snowmobile

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Main Highlights

Safety guarantee : This intelligent trickle battery charger is designed for automatic charging and maintenance of lead-acid batteries, with multiple protection mechanisms against reverse polarity, short circuit, over voltage/current, over charge/discharge, overload, and overheating to ensure safe and reliable use. The SAE quick disconnect design and safety devices also improve protection measures, making it very safe to use.
5-stage automatic charging: Unocho trickle charger is equipped with detachable ring or alligator clip connectors with a 10A fuse, allowing you to charge and maintain your battery anywhere. With an MCU chip, it goes through five stages: quality inspection, soft start, bulk charge, absorption, and maintenance phases to charge the battery automatically. The battery maintainer not only protects the battery from damage, but also extends its lifespan, saving you a lot of time.
Easy to use and carry:The input voltage of the trickle charger is 100-240V, with a small and lightweight design that is easy to carry and store. Once the charger is turned on, the 72-hour safety timer will start counting down. This feature is designed to protect the battery from overcharging. If the battery voltage reaches the appropriate level within 72 hours, the charger will automatically switch to float mode.
Widely compatible:The 6V/12V smart battery charger is highly compatible with automotive, motorcycles, ATVs, RVs, powersports, boats, scooters, golf carts, lawnmowers, and more, and is compatible with all 6V/12V lead-acid/SLA/VRLA/GEL/AGM/WET batteries.
Intelligent LED indicator: The LED indicator light also provides intuitive feedback on the charging status and diagnostic information, even in maintenance mode. You can easily check the battery's condition, including charging, fully charged, and maintenance status.

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8.3

ECO-WORTHY

ECO-WORTHY 12V 5A Automatic Smart Battery Charger and Maintainer LCD Display for Lead Acid and Lithium (LiFePO4) Battery

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Main Highlights

Versatile Battery Compatibility: Designed for both 12V Lead Acid and 12V Lithium (LiFePO4) batteries; Input voltage: 100-240 V AC, Output: 12 V 5 A
Fully-Automated Charging & Maintenance: Not just a trickle charger, this smart device acts as an advanced battery maintainer, ensuring your battery remains in optimal condition with minimal effort
Intelligent Detection: When low voltage, vulcanization or loss of capacity is detected, the battery maintenance charger will directly prompt the user to repair and charge or the battery has lost value
Easy Installation & Connectivity: Comes with battery clips, O-ring terminal cables, and an SAE connector with a 10A fuse, making installation quick and straightforward
Wide Range of Applications: Suitable for charging and maintaining a variety of vehicles including cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more

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8.1

Battery Tender

Battery Tender Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports for Motorcycle, ATVs, and More - Smarter Than a Trickle Charger - 021-0123

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Main Highlights

Stay Charged: Battery Tender battery chargers and maintainers provide a full charge to your powersport vehicles battery before switching to float mode to maintain proper voltage levels for safe, long-term storage
Extend Battery Life: Compatible with all 12V lead-acid, flooded, AGM, and gel cell batteries. Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode) allows for optimization of battery power, without overcharging or battery damage. Smarter than a trickle charger.
Includes: 12V, 750mA battery charger and battery maintainer with 12-foot output cord, fused-ring terminal harness for hard-to-reach batteries and alligator clip accessory cables, 5-year warranty, and lifetime customer support
Simple & Safe: Low maintenance, easy-to-use, universal battery charger is just 3.3 x 1.3 x 2.4 inches, 1 lb (charger only). Spark-proof circuitry ensures no-spark connections, and automatic reversed hook-up detection verifies correct connection
Monitor Power Levels: Two-color charge status LED light indicates the state of the charge and if the battery voltage drops too far under load, adaptive charging will resume full charger output power. Automatic charge cycle functionality switches to float mode after fully charging the battery

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8.1

APSG

AUTOMATIC SMART BATTERY CHARGER | Monitor/Maintain/Trickle/Float Storage | Motorcycle, Car, ATV, Marine, Power sports

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Main Highlights

Constantly Monitor, Charge, and Maintain your Battery. Smart charger will not "overcharge" and damage battery.
Perfect for charging all 12-volt lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell)
LED indicates stage of charger and if the battery voltage drops too far under load, full charger output power resumes It will charge and maintain your battery so that it is ready to go when you are!
Fully protected against Overcharge, Short Circuit and Reverse Polarity if connected wrong.
Output Voltage: 6 & 12 Volts. Output Amperage: 750 mA Amps

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Our Best Overall Choice

Best Choice

9.7

NOCO

NOCO GC009 X-Connect SAE Adapter Accessory Genius Smart Battery Chargers

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Converts X-Connect to an SAE connector commonly found on traditional chargers.
Conveniently allows the use of existing SAE power adapters and accessories.
Built-in 20A micro-blade fuse for increased safety and protection.
Rugged, watertight connector for maximum performance.
Compatible with G750, G1100, G3500, G7200, and G4 models, as well as GENIUS1, GENIUS2, GENIUS2X2 GENIUS2X4, GENIUS5, and GENIUS10. Not compatible with NOCO Boost or Boost X UltraSafe Lithium Jump Starters.

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