Best Battery Tenders for Car Storage

For one reason or the other, you may want to take your vehicle to car storage. When your car stays in the storage facility, its battery might drain to the point that it never works again. The draining with no maintenance leads to a dead battery. It’s not once or twice you will get problems trying to start your car when you take it out of the storage. Sometimes a jump starter might work, but at times you will be forced to replace your battery. Did you know you can prevent all these and more by using the best battery tenders for car storage?

You need to use the best battery tender for car storage if you wish to have a working battery when taking your car out of the warehouse. The device is designed to maintain your battery, charging it, and monitoring time to time. However, with their benefits, the market is now overflowing with every type of battery tenders for car storage. The bad news is, finding the best in a pool of thousands, if not hundreds of thousands might seem impossible. The good news is, we’ve something that will help. You will find a list of the best battery tenders for car storage today to help you buy the best.

A battery tender is simply a battery charger that does more than just charge your battery. It’s designed to keep your battery charge, boost it even when the battery is reading zero volts, and maintain the right voltage. The functionality is similar to that of a battery charger but built for more.

If you consider the looks and connectors, a battery tender is simply a battery charger. However, if you get deep into its functionality, you will realize that with a battery charger, you get to boost your battery low charge to get enough voltage to start your car. When the battery is full, the charge stops charging, and that’s it.

BLACK+DECKER BM3B Fully Automatic 6V/12V Battery Charger/Maintainer with Cable Clamps and O-Ring Terminals

So, in general, the two are similar in many ways, but a tender is mainly a battery maintainer. What it does is to keep your battery in operational mode. That’s why most battery tenders are smart, with a basic 4-step charging program that includes a bulk charge, float mode initialization, and absorption mode.

One difference that you might want to know is, a battery charger might be compatible with all batteries. It might be able to charge all types of batteries, including the 6-volt and 12-volt batteries. However, when it comes to battery tenders, you may want to buy the right model compatible with your car battery. They are built to work correctly with certain battery types and battery voltages.

List of The Best Battery Tenders for Car Storage

1. NOCO GENIUS1 Fully-Automatic - Best Battery Tender for Car Storage

NOCO GENIUS1 is the best-rated battery tender you can buy. It has an excellent customer review record. What’s more, its customers offer positive reviews on its performance. What most of its users adore are its smaller size and high performance. Compared to its previous models and its competitors, the unit is 35% tinier and more powerful. It comes as an all-in-one solution. With this NOCO GENIUS1 in your possession, you have a battery charger, maintainer, a trickle charger, and a battery desulfator.

It’s designed to work with both 6-volt and 12-volt batteries. What’s more, it works with lead-acid and deep-cycle, including the flooded, AGM, Gel, and the maintenance-free batteries, not forgetting the lithium cells. Apart from offering reliable performance, it does come integrated with a thermal sensor designed to detect ambient temperature. It also alters the charge to make sure it prevents the car battery from over-charging in those hot climates and under-charging in those cold climates.

The best part is, NOCO GENIUS1 can charge your dead batteries too. It can wake up a battery with as low as 1-volt. You can also use it on force mode to take control of manually charging dead cells with zero volts. Apart from this, you can even restore your batteries. You can use the NOCO GENIUS1 to detect battery sulfation and acid stratification automatically. With this, you can revive any lost battery performance, and a better engine starts while extending the battery life.


  • High-frequency smart technology
  • Integrated thermal sensor
  • Built-in circuit protection
  • Spark-proof technology
  • Intelligent charging
  • LED indicators


  • Simple to use
  • Fully automatic
  • Durability and resilience
  • Lightweight and compact
  • Impact, UV and water-resistant


  • It takes time to charge.

2. BLACK+DECKER BM3B - Best Battery Maintainer / Charger

BLACK+DECKER is a renowned brand with a reputation on its name. When it comes to the production of the best battery tenders, their products never disappoint. Those aren’t our words but from customer reviews. Our first product, the BLACK+DECKER BM3B, is proof of their exceptional work. It comes as a fully automatic battery charger and maintainer. It’s designed to charge and maintain 12 volts and 6-volt GEL, WET, and AGM batteries.

With this combo in your car, you should never worry about your battery getting too low. The best part is that you can use it to keep your car battery in good condition by conditioning it. It does come with a set of cables featuring cable clamps and O-ring terminals. These offer secure connections to your vehicle battery, saving you time and energy. What’s more, there is a mounting bracket that comes built-in for safe and convenient placement.

Another intriguing feature on this battery tender for car storage is the automatic smart control. It does stop the maintainer automatically when the battery gets fully topped off or charged and switch to float mode to keep an eye on the charge. Besides this, there is a built-in circuit protector for providing ideal protection against reverse polarity, short circuit, and overcharging. How impressive is that?


  • Built-in circuit protection guards
  • AC Low voltage compensation
  • Float mode for monitoring
  • Built-in Mounting bracket
  • ETL certified


  • Fully Automatic
  • Convenient placement
  • Performance and safety


  • Costly
  • Weak O-rings terminals

3. Foval Automatic Trickle Battery Charger for Car

The next best battery tender for car storage is the Foval Automatic Trickle battery charger. It comes as a compact, lightweight battery tender designed to offer you the best service in boosting your car battery. It’s entirely made to serve all lead-acid, sealed or flooded maintenance-free batteries. It does also offer a 4-step charging program, which includes a bulk charge, float mode initialization, and absorption mode. That means it’s ideal for most vehicles and adapts to all 12-volt batteries uses in ATVs, RVs, Motorcycles, automobiles, boats, airplanes, and backup generator switches for a lawnmower.

You can use it comfortably with batteries that use ring and alligator connects. On the usability, the unit is quite easy to use. It comes coupled with a couple of features that make it easy to use. It does feature extended cable and intuitive LED indicators that provide visual state-of-charge. You also get diagnostic information here, even on the maintenance mode.

It does it charging and monitoring automatically with the help of its automatic float switch and voltage maintenance mode. This battery charger will charge and maintain your battery at the same time. It will always keep you ready for the journey. The automatic design, lightweight body, and ease of use ensure that any customer who buys the product can use it without external help.


  • 4-step charging program
  • Intuitive LED indicators
  • 2-year warranty
  • ETL Listed


  • Easy to use
  • Fully automatic
  • Lightweight and compact
  • Suitable for Most Vehicles


  • Versatility could be better.

4. MOTOPOWER MP00205A Battery Maintainer - The Best Car Battery Charger

MOTOPOWER MP00205A is another highly rated battery tender you can use with car storage. It comes with compact and durable construction. The model is designed to make your car battery maintenance effortless and smooth. You can apply to charge all 12-volt lead-acid battery, including the sealed and flooded maintenance-free batteries like AGM and Gel Cell. And with that, you can use it for motorcycle, automotive, Powersport, marine, RV, children toys, lawn garden, etc.

And you know what? This portable car battery charger is fully automatic. What does that mean, all you need is plug and leave it to charge and maintain your batteries even during car storage automatically. It’s microprocessor controls and monitors the entire charging progress. When the battery is full, it switches to float mode for monitoring the voltage and maintain the ideal float charging current.

It does also offer multi-level safety protection and battery rescue. When using it, no need to worry about short circuit, reverse polarity, and overcharge. It uses a spark-free technology too. The implementation of a Constant Current Maintenance function is ideal in avoiding excessive charge and also discharge. When you purchase the item, you’re supplied with SAE quick release adapters for effortless connection.


  • Constant Pulse Current Maintenance
  • Microprocessor Controlled program
  • SAE Quick Release Adapters
  • Spark-free technology
  • Energy-Saving design
  • ETL Safety Certified
  • LED indicator


  • Spark-proof
  • Power Saving
  • Multi-level Safety
  • MCU Controlled Program
  • Automatic charging & maintaining


  • Hard-to-follow instructions

5. Mroinge MBC010 Automotive Trickle Battery Charger Maintainer

When thinking of buying the best battery tender for car storage, you need to include the MBC010 in your options. It’s an automatic trickle battery charger and maintainer here to make your life easier. With it in your possession, you’re guaranteed easier car battery maintenance while you store it away for the next cruising. As a smart automatic battery charger for cars, motorcycles, boats, lawnmowers, and more, it will charge and monitor without your help.

It’s designed to work correctly with all 12-volt lead-acid, sealed or flooded maintenance-free batteries, both AGM and GEL Cell. What more, this model comes with a spark-proof design and advanced battery protection. When connected to your car battery, you’re assured of high-level security against reverse polarity, overcharging, short circuit, and over temperature. It’s quite impressive.

According to customer reviews, this smart automatic battery charger’s design allows you to store it anywhere you want. It’s small in size, lightweight, and conveniently labeled. You may also be intrigued by the use of extension cable for user convenience. Another thing, the connector cables come with conveniently sized battery clips and O-ring terminals providing a secure connection.


  • Automatic charge cycle functionality
  • Complete 4-step charging program
  • Built-in 2-color LED indicates
  • Multi-level safety protection


  • Perfect for charging all car batteries
  • Battery power optimization
  • Spark proof connection


  • LED misbehaves at times

Final Verdict on Choosing The Best Battery Tender for Car Storage

When you’re thinking of buying the best battery tender for your car battery, you may want to think of the above five best. Why? We selected these products using multiple criteria, inducing top customer-rated, customer recommended, and performance ratings. So, we highly recommend them for their proven reliability, durability, and excellent performance. Yes, some are highly-priced, but some are under budget. Good Luck!