Top 8 Best Trickle Chargers in 2021 Reviews

Most of us know that vehicle batteries can lose their charge after being left or used for a long time. Perhaps you do not drive the car during the winter or use it constantly on an extended road trip. In both cases, it is not advisable to charge fast because it might lead to an explosion and damage your vehicle. Fortunately, advanced technology has created make it easier for you in these situations with the introduction of trickle chargers.

Also known as, battery tenders, these units can release electrical currents to keep your battery topped up at full charge. They will also prevent your vehicle batteries from draining the energy if rarely used. In addition to cars, these devices can also be compatible with motorcycles, snowmobiles, boats, and ATVs. Let us look at the top 8 best trickle chargers reviews and hopefully, the guide will help you choose the suitable option for your vehicle.

Table Best Trickle Chargers

1. Battery Tender 021-0128 Plus Smart Trickle Charger

1. Battery Tender 021-0128 Plus Smart Trickle Charger
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The Battery Tender 021-0128 is specially designed to charge and maintain a battery at the right storage voltage without any damaging effect. The package includes a quick connect harness so that you can easily access hard areas. Even better, the temperature will be compensated accordingly to make sure that the charge voltage is optimal. The unit can automatically switch from a float mode to a full charge within seconds, which allows for maintenance-free charging. The manufacturer also builds in green and red lights to display the charging status and current maintenance conditions. More importantly, a smart device can provide full protection against common issues such as short circuit or reverse polarity. Thus, the battery in your car will last longer without any serious issues.

Key Features
  • Ensure the optimal charge voltage by compensating the temperature
  • Include a connect harness to access hard-to-reach areas
  • Automatically switch from full charging to floating charging
  • Extend the lifespan of the battery and do not cause damaging effects
Pros
  • It is safe and secure to use
  • Comes with sealed maintenance free battery
  • Solid construction ensures durability
  • allows for maintenance-free charging
Cons
  • There might be a few error codes during the operation

2. Foval 12V 1000mA Automatic Trickle Charger

2. Foval 12V 1000mA Automatic Trickle Charger
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If you are looking for a trickle charger that can be used for most types of lead-acid batteries, then this Foval model can be a great option. Featuring a standard charging mechanism, it can be used perfectly for sealed or flooded batteries. The unit also comes with a small size, which is ideal for most vehicles such as boats, motorbikes, or cars. After charging the battery fully, it will automatically switch to the float voltage to save the power and ensure the safety. More importantly, smart circuits are specially designed with multiple layers of protection against common electrical issues such as overvoltage, overcurrent, short circuit, or reverse popularity. Thus, you will not have to worry about fire hazard or damage to your car, while still maximizing the lifespan of the battery in your car. Intuitive indicators will inform you diagnostic information and charging feedback. Overall, it is a simple-to-use, fully automatic, and lightweight device to use.

Key Features
  • Ideal for all flooded, sealed, or lead-acid batteries
  • Come with 4 steps to charge: float, absorption, bulk and initialization
  • Easy to use, fully automatic, and lightweight making it ideal for most types of vehicles
  • LED lights to inform diagnostic information and feedback
Pros
  • Comes with intuitive LED indicators
  • It is ETL listed, ensuring your safety
  • Wide compatibility with all batteries
  • Compact, lightweight design
Cons
  • The polarity can be reserved

3. Mroinge 1A 12V Automotive Trickle Charger

3. Mroinge 1A 12V Automotive Trickle Charger
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Mroinge is a high-quality yet low-cost product, which are widely used by many car owners and technicians all over the country. It can be used with all types of automotive accessories such as the battery tester, battery charger, tire inflator, and many more. Thanks to a smart chip that is pre-programmed, the unit can maintain your car battery properly, thus saving power consumption and maximizing its lifespan. The package includes a disconnected harness so that you can easily disconnect and connect the charger within seconds. This product is strictly manufactured to meet the highest standards in energy efficiency. Besides, it can check for any incorrect connection before delivering the power. By spending money on this device, you will not ever worry about those common problems with car batteries such as short circuit, overcharge, explosion, or fire hazard.

Key Features
  • Smart IC chip to maintain and charge the batteries properly
  • Easy and quick to disconnect the battery charger
  • Reduce the consumption of power with energy-saving standards
  • Automatically detect internal temperatures to cut off the output
Pros
  • Made of high-quality materials to ensure the safety
  • Wide compatibility with vehicles and motorcycles
  • Has a spark proof connection
  • Features over temperature protection
Cons
  • It doesn’t specify each charging stages

4. Orion Motor Tech 1.2A Lead Acid Automatic Battery Trickle Charger

4. Orion Motor Tech 1.2A Lead Acid Automatic Battery Trickle Charger
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Say goodbye to a dead car battery with the Orion Motor Tech trickle charger. The unit can automatically switch from a float mode to a full charge within seconds, which allows for maintenance-free charging. Besides, the manufacturer also builds in green and red lights to display the charging status and current maintenance conditions. The package includes a quick connect harness so that you can easily access hard areas. The temperature also will be compensated accordingly to make sure that the charge voltage is optimal. More importantly, a smart device can provide full protection against common issues such as short circuit or reverse polarity. With this unit, you can solve all the problems with your car batteries.

Key Features
  • Micro-processor controlled program makes it ideal to charge most kinds of lead-acid batteries
  • It can automatically charge and maintain the batteries
  • Full protection against reverse polarity, short circuit, and overcharge
  • Built-in LED indicator to show different statuses
Pros
  • Easy to hook up and operate
  • Wide compatibility for added convenience
  • It is designed to last
  • Super easy to use
Cons
  • It is not energy-efficient

5. Sunway Solar 12V Battery Trickle Maintainer Charger

5. Sunway Solar 12V Battery Trickle Maintainer Charger
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Sunway Solar 12V battery trickle charger is the optimal solution to maintain the charge of tractors, motorcycles, truck or car. With a standard charging process, it can be used perfectly for sealed or flooded batteries. Better still, the device comes with a small size, which is ideal for most vehicles such as boats, motorbikes, or cars. Its LED indicators will inform you diagnostic information and charging feedback. After charging the battery fully, it will automatically switch to the float voltage to save the power and ensure the safety. More importantly, smart circuits are specially designed with multiple layers of protection against common electrical issues such as overvoltage, overcurrent, short circuit, or reverse popularity. Thus, you will not have to worry about fire hazard or damage to your car, while still maximizing the lifespan of the battery in your car.

Key Features
  • Keep your batteries topped up with the solar power
  • Quick to connect or disconnect to the battery
  • Made of solar glass and durable ABS material
  • Come with a light plug and battery clamp
  • Splashing proof, compact, and lightweight design
Pros
  • Ideal for all rechargeable 12V batteries
  • Strong and durable design
  • Offers reverse charging protection
  • Includes a 12V LED charge indicator
Cons
  • There is no manual provided with the package

6. BMK 5A 12V Detachable Smart Portable Battery Maintainer

7. BMK 5A 12V Detachable Smart Portable Battery Maintainer
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Are you experience some troubles with a dead car battery? Then do not hesitate to purchase the BMK battery maintainer to make your life easier. It is specially engineered to charge and maintain a battery at the right storage voltage without any damaging effect. The temperature will be compensated accordingly to make sure that the charge voltage is optimal. The manufacturer also builds in green and red lights to display the charging status and current maintenance conditions. More importantly, a smart device can provide full protection against common issues such as short circuit or reverse polarity. The unit can automatically switch from a float mode to a full charge within seconds, which allows for maintenance-free charging.

Key Features
  • It is extremely time-saving and convenient
  • Made of waterproof and durable ABS material
  • Avoid polarity reverse, overload, or short circuit
  • Provide lifetime warranty to ensure the quality
  • Automatically stop when your batteries are fully charged
Pros
  • Compatible with most batteries
  • Maintain and extend the lifespan of the battery
  •  It offers protection against overcharge
  • Solid construction
Cons
  • Not ideal for battery capacity lower than 15 Ah

7. Supernatto 12V ATV Smart Battery Trickle Charger

8. Supernatto 12V ATV Smart Battery Trickle Charger
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The next product on our list is an affordable yet very effective trickle charger by Supernatto. It is compatible with different types of batteries in many vehicles. For starters, the unit comes with a small size, which is ideal for most vehicles such as boats, motorbikes, or cars. After charging the battery fully, it will automatically switch to the float voltage to save the power and ensure the safety. In addition, intelligent circuits are specially designed with multiple layers of protection against common electrical issues such as overvoltage, overcurrent, short circuit, or reverse popularity. Thus, you will not have to worry about fire hazard or damage to your car, while still maximizing the lifespan of the battery in your vehicle.

Key Features
  • Suitable for all 12V batteries
  • Available in both float and trickle function
  • Automatic overcharge protection and voltage detector
  • LED display to inform the maintenance conditions and charging status
  • Easy to replace the cable connector
Pros
  • Advanced design ensures optimal performance
  • Ideal for all 12V batteries
  • It has reverse polarity
  • It features automatic voltage detection
Cons
  • The charging speed is not high

8. Black + Decker 6V BM3B Automatic Battery Maintainer and Charger

10. Black + Decker 6V BM3B Automatic Battery Maintainer and Charger
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The Black + Decker BM3B features 12V and 6V charging options to help you deal with other issues on the road. The package includes a quick connect harness so that you can easily access hard areas. The unit can automatically switch from a float mode to a full charge within seconds, which allows for maintenance-free charging. The manufacturer also builds in green and red lights to display the charging status and current maintenance conditions. Lastly, built-in circuit guards will provide full protection against reverse polarity, overcharging, and short circuit.

Key Features
  • Built-in mounting bracket to maximize the performance
  • Automatic switch between float mode and charging mode
  • Built-in circuit protection guards against overcharging, reverse polarity, or short circuit
  • Keep the battery always at the optimum charge with smart technology
Pros
  • Can be used for all kinds of vehicles
  • Improve the life of your battery
  • Simple to hook up and operate
  • Ultra-safe design
Cons
  • It is quite expensive compared to other models

Conclusion

After reading out guide, we believe that now you can understand why it is necessary to have a trickle charger. These units are quite affordable, but they can be very useful in restoring underused, drained, or damaged battery in your vehicle. Having one in your car will ensure that you will not be stuck on the highways with a dead motor. More importantly, they will extend the lifespan of the batteries, thus saving you a lot of money on a new replacement.

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