Best RV Deep Cycle Battery Chargers 2021

Noco Genius G15000

NOCO Genius G15000 12V/24V 15 Amp Pro-Series Battery Charger and Maintainer
  • A powerful, professional grade battery charger and battery maintenance tool designed to recharge all types of batteries rapidly in workshops, garages or those you simply want the best.

Our first product is the ultra-safe NOCO Genius G15000 Pro Series smart battery charger, which uses some of the safest and most advanced technologies in the world. I mean, versatility alone is a sales pitch enough. After all, this charger is capable of running on automotive, marine, motorsports, recreational vehicle and deep cycle batteries. It’s hard to see how you won’t find multiple uses for this fantastic product. I also find the external support and rubber base to be incredibly beneficial.

The NOCO Genius G15000 UltraSafe Battery Charger is one of the most versatile battery chargers. It works with all types of 12 and 24 volt lead-acid batteries, including wet, gel, marine, deep cycle and standard automotive batteries. It also includes an advanced repair mode that helps increase the performance and longevity of batteries that have gone uncharged for long periods. Built as a smart and versatile deep cycle battery charger, NOCO’s Genius G15000 is capable of meeting the needs of Needs charge of virtually every RVer. With the ability to charge various types of batteries, from lead-acid to deep cycle, the Genius G15000 is unmatched in terms of adaptability. Other than that, the NOCO charger is a fully automatic model, so when plugged in it monitors and maintains the batteries without requiring external interaction.

The rubber base and external mounting of the best rv battery charger will also help you in this area. These two aspects will limit the risk of the product scratching or slipping on the surface. This is just another way to ensure that this device remains as durable as possible. But none of these features matter without the device having a smart battery. This battery ensures that the product uses the least amount of power required while increasing the life and overall performance of your RV battery. If those features weren’t enough to sell you, the device also comes with an LED indicator, X-connect battery clips, and built-in grommets. These included aspects make the device much easier to use.

Spark resistant and protected against reverse polarity, the NOCO Genius G15000 is also very safe to use. In common cases, the NOCO battery charger must charge the batteries and keep them at their full capacity. But if needed, RV enthusiasts can use the Genius G15000 to reactivate heavily sulfated batteries and save a few bucks on battery replacement. Therefore, for full-time motorhomes who like to keep their expenses low in the long run, the NOCO Genius G15000 is the best deep cycle battery charger. Since the NOCO unit has LED indicators, it is easy to determine the charging stage at any time.


BLACK+DECKER BC2WBD Fully Automatic 2 Amp 12V Waterproof Battery Charger/Maintainer with Cable Clamps
  • 2 amp battery charger and maintainer is compatible with any AGM, GEL, or WET automotive or marine 12V battery

Thanks to its waterproof casing, Black + Decker BC2WBD is resistant to dust, oil, humidity, which allows it to maintain stable operation in various environments. Black + Decker’s 12V Deep Cycle Battery Charger is also light enough that the RVer can be moved quickly and effortlessly. In addition to this, BC2WBD offers up to three connection methods: DC accessory socket, connection ring, and battery clamps. For this reason, Black + Decker BC2WBD is considered the best deep cycle battery charger for standard rigs.

The Black & Decker Fully Automatic Waterproof Charge is a 2 Amp battery charger compatible with most battery types. It is ideal for people who are often outdoors or who enjoy recreational trips to the beach or boardwalk. Due to its water resistance and dust-proof casing capabilities, this charger bills itself as one of the longest-lasting battery chargers. The charger also comes with fully automatic frequency controls, which optimize performance when using extension cords. This charger requires additional research, depending on the vehicle you want to charge. One problem I have encountered is that the charger is not compatible with all types of batteries. The Black & Decker site is a bit misleading and the brand’s customer service is not very responsive. However, it is a durable charger if you have a typical car battery.

Because the BC2WBD is an automatic battery maintainer, you can leave it connected to your vehicle’s battery bank for long periods of time. With integrated circuit protection, the Black + Decker model is protected against overloads, short circuits, reverse polarity, etc. Interestingly, the Black + Decker BC2WBD has low voltage compensation and that is why it can deliver a maximum load when paired with extension cords. With a combination of a hanging hook and magnetic holder, the BC2WBD also proves to be very easy to set up. Available at a reasonable price, the Black + Decker Battery Charger fits the budget of the average RV enthusiast. To reassure its customers, Black + Decker gladly backs BC2WBD with a one-year manufacturer’s warranty that provides peace of mind.

Schumacher SC1281

As it incorporates a microprocessor that regulates the output power, the Schumacher SC1281 regularly optimizes the charging time and maintains the battery charge at the same time. The multi-step nature of its charging process means that the SC1281 also excels at increasing the life of the battery bank. Therefore, the charger made by Schumacher is considered the best deep cycle battery charger for those who are concerned about the integrity of batteries. With the Schumacher SC1281, your batteries should last for many seasons before needing to be replaced.

Where this deep cycle battery charger really matters is its size. While it may be taller and heavier, it all adds up to its power and cargo-carrying capabilities. You get two great features when you use the Schumacher SC1281: a 30 amp fast charge or a 100 amp cranking shock to really get your battery back to maximum efficiency. It has a larger center display with giant, bold numbers so you know where your battery charge level is. The charger also comes with multi-stage charging and automatic voltage sensing to save you time and make your battery run faster. It is also quite portable, with an easy-grip handle.

Being compatible with typical batteries used in RVs, the Schumacher unit could charge AGM, gel and deep cycle batteries. This is why the SC1281 works quite well in a wide range of battery banks containing batteries of different types. Also, since Schumacher equips the SC1281 with voltage sensing, it can distinguish between 6V and 12V batteries when plugged in. Also, if the Schumacher battery charger notices reverse clamps, it will refuse to work until RV enthusiasts put the clamps in the correct polarities.

Battery Tender Plus Charger and Maintainer

Battery Tender Plus Charger and Maintainer: 12V, 1.25 Amp Powersport Battery Charger and Maintainer for Motorcycles, ATVs, UTVs, and More - Smart 12 Volt Automatic Float Chargers by Deltran - 021-0128
  • STAY CHARGED: The 1.25 amp charger provides a full charge to your powersports battery before automatically switching to float mode to maintain proper voltage levels without overcharging the battery

Durable and easy to use, Battery Tender Plus 021-0128 is highly regarded by many RVers, from newbies to veterans. Capable of automatically switching to floating mode when the maximum capacity is reached, Plus 021-0128 could keep deep cycle batteries fully charged without overcharging. Additionally, Battery Tender’s battery charging is designed with top-notch temperature compensation, so its charge rate must remain constant regardless of ambient temperature. Possessing a lightweight body, Battery Tender Plus 021-0128 is also portable.

The Tender Plus 021-0128 battery charger is one of the most efficient chargers. It works fast to give your battery a fast and efficient charge. It also includes an automatic float mode to avoid overcharging the battery. Tender Plus 021-0128 is a 1.25 amp charger with 12 volt capacity. The display is simple and easy to read when in use, and the charger features anti-spark technology. Additionally, it is compatible with most types of batteries and is optimal for long-term storage if required. Due to its simplicity, this charger tends to flash a red warning light when not needed. This is a simpler battery charger model, which means there is no specific reading when a problem arises. Also, this charger is not forever. A year or two with that seems to keep it going until it’s done. It is a quick and simple charger, ideal for people who do not need all the flashy settings of the most complicated devices.

It also has a quick connect harness, making this product an easy process to use. This feature will simplify even the most difficult connections thanks to its design. Honestly, this quality can go a long way in some situations. You should also take advantage of the 10-year warranty on this charger. This number of years of warranty is not something you see often in this market. As a result, you can reasonably expect this manufacturer to assist you when or if something happens to the product. It is also advantageous that this charger automatically switches to floating charge mode when the battery is fully charged. In other words, this feature will ensure that you don’t overcharge the battery, which can lead to a lot of problems.

Thanks to the colored LED lights on the housing, determining the charge level with Plus 021-0128 is very easy. Also, if the battery voltage drops under load for any reason, the Battery Tender will switch to adaptive ISM charging and resume full power. Like other modern battery chargers, Battery Tender Plus 021-0128 has built-in protection that leads to a higher level of security. Since the Plus 021-0128 is a low-maintenance deep cell battery charger, RV enthusiasts don’t need to pay special attention to it. When it comes to post-purchase support, Battery Tender offers your unit a solid 10-year warranty. In case you want to purchase an insurance policy while shopping, Plus 021-0128 is the best deep cycle battery charger you can get.

OptiMATE 6

OptiMATE 6 12V-24V, TM-193, 8 step 5A 12V / 2.5A 24V Battery Saving charger-tester-maintainer
  • 𝟭𝟮𝗩 𝗼𝗿 𝟮𝟰𝗩 𝗖𝗛𝗔𝗥𝗚𝗜𝗡𝗚 𝗔𝗕𝗜𝗟𝗜𝗧𝗬 - Selection button to allow 12V or 24V charging to suit your battery!

The Optimate 6 12V-24V Battery Charger is a perfect choice for anyone who needs a deep cycle battery charger. This product is perfectly suited to thrive in these circumstances with a set of features that will blow your mind. You see that this charger has the ability to charge a 12V or 24V battery and maintain the same performance in both situations. But the best part about this feature is that when / if you accidentally select 24V and charge a 12V, the device will notify you.

The durability of this OptiMATE 6 battery is perfect. Maintaining a 12V deep cycle, marine, automotive and motorcycle lead acid battery is easy and straightforward. The company also offers a 3-year limited replacement warranty. Additionally, multi-step desulphation helps restore the unattended battery to 0.5 volts. Ampmatic charge control helps to adjust current. It is more suitable for all battery sizes, such as 3AH to 240AH. It also includes a cell voltage balancing mode that appropriately designed new batteries to be used for the first time. In addition, it optimizes battery performance. This is ideal for safe electronic vehicle use. Automatic shutdown is the best feature Tecmate offers. This means that in the event of a short circuit or disconnection of the battery, the battery will automatically shut down. This will save your vehicle from any event.

BMK 12V 5A Smart Battery Charger

BMK 12V 5A Smart Battery Charger Portable Battery Maintainer with Detachable Alligator Rings Clips Fast Charging Trickle Charger for Car Boat Lawn Mower Marine Sealed Lead Acid Battery
  • 【UPGRADED DEFECTIVE BATTERY DETECT/FAST CHARGING CAR BATTERY BOOSTER】Updated with battery condition diagnose to detect the defective battery before charge. Input 100-240V AC, With 5A DC output current, BMK 12V 5A car battery charger is suitable for charging batteries with 15-100Ah. NOTE: To better tender the battery, please make sure the battery capacity is higher than 15Ah, it can also charge over 100Ah batteries, just more charging time. ETL Certified for performance and safety

The BMK BLUEMICKEY 12V 5A Smart Battery Charger comes with many features that can make your life easier. A good example is the fantastic harness in the product, which makes it very easy to disconnect and connect. Due to this, the whole process of use becomes simpler and easier to use. Many buyers have emphasized how little discomfort this product causes them. As someone who struggles with these tasks, you can bet you were delighted to see these kinds of accolades.

The BMK portable battery charger can take it wherever you want. It’s waterproof because it’s designed for use on boats, so you know it will perform very well in heavy rain or a dust storm. This model can charge batteries between 15 amp hours and 100 amp hours, although a higher Ah rating requires more time. It has a four-step smart charge and shuts down as soon as the battery is charged. This will extend the life of your RV’s battery. The built-in LED indicator lets you know the state of the battery before removing it, so you don’t disconnect the charger too soon.

This battery charger is smart enough to prevent you from damaging the batteries. It has strong overcurrent, overcharge and over discharge protections. The system also provides protection against overvoltage, overheating and short circuit. This is a rugged device that automatically changes its safety features when you plug it in and start charging the battery. Speaking of batteries, the only power supply and storage solutions that you can’t charge are lithium-ion batteries. Any type of lead-acid battery should be able to draw power with the BMK. To optimize the charging and retention capacity of the BMK battery, it is important to only charge batteries with a minimum capacity of 15 Ah.

This model has several built-in protection measures. It has reverse polarity protection, short circuit protection, overvoltage protection and overcurrent protection. It also has overload protections. It uses a constant pulse current during battery maintenance mode to avoid overcharging and discharging the battery. The manufacturer fully charges the battery chargers and performs combustion tests so you know that you will not burn out after the first few uses.

Platform owners should also like the security features of this product. I don’t see how anyone could be impressed with the spark-proof qualities of this product. This is another way for this model to ensure its performance meets user needs. The BMK 12V Deep Cycle Battery Charger will also check for proper connection prior to power-up. Prevent the device from operating in questionable situations to ensure its use is completely safe.

Noco Genius GEN1

NOCO makes some of the most efficient and capable battery chargers on the planet. Take, for example, the brand’s Genius GEN1. This marine battery charger is a very compact device that can supply power to your deep cycle battery and maintain its optimal shape. This NOCO battery charger is equipped with the latest innovations in battery charging and maintenance. Its 10A rating allows you to charge your deep cycle battery up to two times faster than other marine battery charging systems. The gen1’s ingenious design allows it to manage your battery much more efficiently than other battery maintainers. The charger emits a high voltage pulse when it detects that your battery is low voltage, has lost capacity, or has developed sulfation. A commendable feature of the GEN1 is its feedback mechanism. It charges your battery at a constant rate without exceeding its capacity.

Using innovative charging technologies, NOCO’s Genius GEN1 offers twice the charging speed of traditional deep cycle battery chargers. So with the NOCO charger on your deck, you don’t have to wait too long for the battery bank to fully charge. Since it could stabilize the cell chemistry, Genius GEN1 lengthens the battery change interval. Also, if NOCO Genius GEN1 detects sulphation, loss of capacity, and the like, it would quickly apply high-voltage charges to restore cell quality.

With IP68 rating, the Genius GEN1 remains fully operational even after being submerged underwater for several hours, so water intrusion will be harmless. Other than that, with a low profile construction, the battery charger made by NOCO takes up negligible space. As a result, for year-round small RV owners, NOCO’s Genius GEN1 is the best deep cycle battery charger. Genius GEN1 is also protected against a variety of problems ranging from sparks to thermal leaks.

BLACK+DECKER BM3B Fully Automatic Battery Charge

The BLACK + DECKER BM3B Fully Automatic 6V / 12V Battery Charger is one of the most practical models on this list. For example, you can charge batteries inside various vehicles: RVs, cars, motorcycles, ATVs, snowmobiles, lawnmowers, and boats. The level of convenience of this product is also highlighted by its easy connection process with the addition of battery clips and battery ring terminals. It is the small details such as the inclusion of these two characteristics that show that this manufacturer has the needs of its customers in mind.

It is also essential to mention that this product has a built-in mounting bracket which further shows that the connection / use process is incredibly easy. I have also found the multiple levels of protection that this charger offers.