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Best Deep Cycle Battery Chargers (Review) – Top 7 Picks

Looking to recharge your batteries – both literally and figuratively? Well, you have landed exactly where you need to be. If you are sick of dealing with uncharged or damaged batteries, then rest assured, there is a way to revitalize them and rid yourself of the frustration that comes along with it.

So settle in while we present to you the best deep cycle battery charger to fulfill all your requirements and satisfy your inner perfectionist!

DEEP CYCLE BATTERY CHARGERS
DEEP CYCLE BATTERY CHARGERS

Best Deep Cycle Battery Charger In 2021

Naturally, there are multitudes of battery chargers in the market but are they all the right fit for you? Certainly not. You cannot just go out and pick some charger at random because there is a lot more to this line of products than what meets the eye.

Therefore, let us take you through some of the top ranking battery chargers for the calendar year of 2019. This should make it a lot easier on you to make the decision for yourself, so without further ado, let’s get started!

Comparison Table of Deep Cycle Battery Charger

ImageProductVoltageAmperageBatteryPrice
NOCO-Genius-G15000-Pro-SeriesNOCO Genius G15000
(Expert’s Choice)
12 V15 ALead-acidCheck Price
OptiMATE-6-Battery-Saving-ChargerOptiMATE 6 Charger12V-24V5A/2.5AN/ACheck Price
Tecmate-TM-291-Lithium-BatteryTecmate TM-29112.8V-13.2V5ALithiumCheck Price
Optima-Digital-400-12V-PerfomanceOptima Digital 40012V4AHybrid LEDCheck Price
Battery-Tender-2-Bank-12VBattery Tender 2-Bank12V1.25AFlooded BatteriesCheck Price
CTEK-Multi-US-3300-12VCTEK Multi US 330012V7AN/ACheck Price
BatteryMINDer-Model-1500-BatteryBatteryMINDer 150012V1.5AAGM Marine BatteriesCheck Price

Our Top Picks For The Best Deep Cycle Battery Charger

1. NOCO Genius G15000 Pro-Series Battery Charger and Maintainer

Does the title of this particular charger remind you of some high tech breakfast cereal? Perhaps, but before you rush to get yourself a bowl of Noco Chocos, hear us out because this particular piece of equipment will come in much handier.

NOCO Genius G15000 Pro-Series Review
NOCO Genius G15000 Pro-Series

For starters, the NOCO Genius G15000 is a commercial-grade battery charger as well as maintainer, as evident by the title. It has the ability to charge or recharge any battery on the spot whether you are present in a service garage or workshop etc.

If you want to keep your batteries charged at all times, then this is your new best friend as it comes in handy with charging and storage for prolonging performance and maintaining the battery in the long run.

The NOCO Genius is compatible with all sorts of batteries spanning about 12 Volts or 24 Volts worth of lead-acid batteries that the charger itself uses.

The automated system of the charger prevents overcharging as well so you can leave it plugged in without worrying about this. In addition, there is a Repair Mode as well.

You can use this if the battery has suffered any damage due to being left uncharged for a long period of time. It also contains spark-proof functionality and protection against reverse polarity in order to make for a safe charging experience for the user and the device.

This is box title
  • Compatible with all 12V/24V lead-acid batteries
  • Can charge any battery at any location
  • Repairs uncharged batteries that have been damaged
  • Safety settings to protect the user as well as the device being charged
Cons/Potential Flaws
  • Only for professional use
  • Needs to be kept away from rain

View Features on Amazon

Bottom Line 

Overall there is nothing to complain about the NOCO Genius except that it may be too good to use on the regular at home, but we can work with that easily!

2. OptiMATE 6 Battery Saving Charger-Tester-Maintainer

The all-new OptiMATE 6 Battery Charger has quite a torch to carry when it comes to performance. Guaranteed to be one of the world’s best battery enhancers, it is enough to attract any buyer, and fortunately, we are no different!

Like its predecessor the NOCO Genius, it is compatible with 12V and 24V batteries and works well when it comes to charging deep cycle batteries and starters.

OptiMATE 6 Battery Saving Charger Review
OptiMATE 6 Battery Saving Charger

It offers battery maintenance in the long run along with consistent and fast charging in a temperature-controlled environment for safety reasons as well as prolonging battery life.

The OptiMATE six works will all kinds of batteries and can be used for charging both indoors and outdoors, making it super convenient whether you are working at home, at a garage, or a workshop etc.

The case of the charger itself is weatherproof, meaning you can pretty much use it under any weather conditions, i.e. rain etc. The charging lead and clip set in included along with the charger and is also weatherproof, so it really is the whole package.

It is completely safe to use on sensitive electrical equipment and has voltage sensors in place so that charging does not take place if some very low voltage is detected.

This is box title
  • Works with 12V and 24V batteries
  • Weatherproof case, lead, and clip set
  • Safety sensors to detect low voltage before charging
  • Fast charging in a temperature-controlled environment
Cons/Potential Flaws
  • Wall mount limited to 6ft
  • Lowest working temperature is -40C

View Features on Amazon

Bottom Line 

All in all, it is safe to say that rain or shine, the OptiMATE will stick by your side no matter what! It isn’t like us to get sentimental over a battery charger, but this one is definitely worth it.

3. Tecmate TM-291 Lithium Battery Saving Charger/Tester/Maintainer

Tecmate is quite literally your friendly neighborhood buddy ready to back you up if you are ever faced with a faulty battery. It doubles as a diagnostic device as well as a charger.

It is compatible with most four series batteries as a battery tester, saver and a charger, so you are getting multiple functions on all fronts.

Tecmate TM-291 Lithium Battery Review
Tecmate TM-291 Lithium Battery

It can be used both indoors and outdoors, but there are some limitations temperatures wise that you need to look out for before you decide on having a field day with your battery charger outdoors.

However, it does come with a weatherproof casing along with a wall mount that should make your job a whole lot easier.

The Tecmate is also a professional-grade deep cycle battery charges which allow you to exercise fast and efficient charging in the nick of time.

It also functions as a tester as well as a diagnostic device, allowing you to keep track of your battery’s performance and status as it is being charged.

It also comes in handy for seasonal tracking and maintenance for your battery in case it has any additional requirements that need to be considered. It is good to go for most four series batteries ranging anywhere between 12.8 and 13.2 Volts.

This is box title
  • Dual functionality as tester and maintainer
  • Works as a diagnostic device as well
  • Can be used indoors and outdoors
  • Weatherproof casing for extra safety and protection
Cons/Potential Flaws
  • Specific in terms of charging capabilities
  • Only compatible with four series batteries

View Features on Amazon

Bottom Line 

If you are looking for a dependable battery charger, then this one will not let you down, as long as you pair it with the right kind of batteries that it is compatible with!

4. Optima Digital 400 12V Performance Maintainer and Battery Charger

The Optima Digital 400 definitely goes the extra mile when it comes to performance and maintenance in order to ‘optimize’ your battery charging experience (We apologize for the pun – it was too good to resist).

Moving on, we would like to bring light to one of the best features of Optima Digital firsthand that is the built-in battery health mode.

Optima Digital 400 12V Performance Review
Optima Digital 400 12V Performance

This performs dual functions by enhancing the performing status of the battery along with optimizing battery life in the long run.

The Optima Digital also comes with a hybrid charging gauge that allows you to monitor the progress that is displayed on the LCD screen. You can use it in multiple ways by hanging it by a hook or tilting stand.

This way it stays out of the way while the battery is being charged and you don’t have to worry about misplacing it either. It works as a charger for a couple of different avenues, i.e. motorcycle battery charging, marine batteries, and AGM batteries.

It also has the ability to recharge old batteries that are as down as 1.25 Volts.

This is box title
  • Health mode optimizes battery life and working performance
  • Recharges batteries with voltage as low as 1.25
  • Spark free connections for safety reasons
  • LCD screen for monitoring charging progress
Cons/Potential Flaws
  • The casing is not weatherproof
  • Cannot be used outdoors under a certain temperature

View Features on Amazon

Bottom Line 

All in all, the Optima Digital is a very good deal as it comes with several knick-knacks as well that should make the job a whole lot easier for you, making this a worthwhile investment!

5. Battery Tender 2-Bank 12V, 1.25A Battery Charger

The Battery Tender 2-Bank Battery Charger is definitely not your standard charger; some may even call it ‘The Rock’ of deep cycle battery charges (well we came up with that one, but you get the point).

For starters, the LCD display stands out by indicating the progress of the charging process, allowing you to monitor the entire process from start to finish.

Battery Tender 2-Bank 12V Review
Battery Tender 2-Bank 12V

For safety purposes, it comes with spark-proof technology along with protection against potential risks of reverse polarity in order to keep you from harm.

As evident by the title, the Battery Tender 2-Bank charger has not one but two independent ports for charging two different batteries simultaneously. Both ports are compatible with 12 Volts and 1.25 Amps worth of battery power.

There is automated temperature control as well, which allows for optimal charging under the ideal temperature conditions. The charging process is further enhanced by the three-step charging mode offered by the Battery Tender.

It is mostly recommended for free sealed batteries, AGM batteries, and flooded batteries.

This is box title
  • LCD display for monitoring charging progress
  • Two charging ports to connect/charge two batteries at once
  • Spark proof technology and protection from reverse polarity
  • Temperature-controlled charging for optimal performance and battery life
Cons/Potential Flaws
  • Only compatible with sealed, flooded, and AGM batteries
  • Does not come with weatherproof casing

View Features on Amazon

Bottom Line 

All in all, the Battery Tender is a great choice if you want to get the job done quickly because it can handle multiple batteries at once, making for a more heavy-duty charger!

6. CTEK Multi US 3300 12V Fully Automatic 4 Step Battery Charger

The CTEK Multi US 3300 may be a little ahead of its time if we’re honest. Just by the looks of it, it is much more advanced than your regular run of the mill battery chargers.

It has an inbuilt four-step charging mode that allows for the optimal charging experience whilst prolonging battery life and maintaining the status/performance of the battery itself.

CTEK Multi US 3300 12V Review
CTEK Multi US 3300 12V

Before charging, the CTEK charger also runs a diagnosis on the battery in order to check the existing condition before customizing the charge frequency.

To further prove how out there this CTEK charger is, it is important to point out that there are only two verified re-sellers of this charger online.

That alone should give you an idea regarding how exclusive it is. It too comes with spark-proof technology along with reverse polarity safety without any risk of a short circuit marring the experience for you.

Given all these safety modes, you can hook it up to any kind of battery or electronic device without any of fear or risk to your vehicle. It can be used outdoors and indoors because it is resistant to water and dirt, etc., which gives you a lot of freedom as a user.

This is box title
  • Diagnoses the condition of the battery before charging
  • Prolongs battery life and enhances performance
  • Weather-resistant; can be used indoors and outdoors
  • Multiple safety modes
Cons/Potential Flaws
  • Exclusive re-sellers online
  • May run out of stock quickly

View Features on Amazon

Bottom Line 

It is true that you cannot go wrong with the CTEK battery charger except maybe worry about it being out of stock because it is fairly exclusive in the online market, best of luck getting your hands one of these!

7. BatteryMINDer Model 1500 Battery Charger/Maintainer/ Desulfator

Last but not least, we have the BatteryMINDer 1500 in our midst (well, don’t ‘mind’ if we do). Puns aside, this particular charger entails a high-frequency desulfator and a 1.5 Amp battery charger, maintainer, and tester all in one.

BatteryMINDer Model 1500 Battery Review
BatteryMINDer Model 1500 Battery

The desulfator reverses any kind of related damage that may be marring your battery’s performance. It prevents battery failure, especially with newer batteries that seem to have died fairly early on for no particular reason.

This improves the condition and performance of the battery while simultaneously prolonging the life of the battery as well.

It also contains an in-built temperature sensor that sets an ambient temperature while the battery is being charged in order to make for optimal charging in the least amount of time.

It can also deal with upping or lowering battery voltage in these circumstances in order to practice safe charging without any risks. Speaking of safety, it offers protection against short-circuiting as well as reverse polarity.

In terms of compatibility, the BatteryMINDer is fairly versatile as it works with a wide range of batteries, meaning you can probably find a match easily.

This is box title
  • Desulfator revitalizes old batteries and repairs damage
  • Prolongs battery life and optimizes performance
  • Temperature and voltage sensors to deal with charging accordingly
  • Versatile in terms of charging capabilities
Cons/Potential Flaws
  • Does not included weatherproof casing
  • Does not come with wall mounts

View Features on Amazon

Bottom Line 

In conclusion, BatteryMINDer is a fairly easy choice when it comes to looking for a suitable battery charger because it works with a lot of different types of batteries. However, just to be safe, we would recommend that you check at least once before to make sure.

Buyer’s Guide of Best Deep Cycle Battery Charger

Safety Modes

Safety comes first regardless of the equipment you are using. The matter is even more sensitive when it comes to dealing with electronic devices etc.

Therefore, you need to ensure that your battery charger has spark proof technology, and offers protection against short circuits and reverse polarity etc.

Functionality

The features and functionality of a battery charger can make or break the entire product. Ensure that you are getting all the key features i.e. battery life optimization, and enhanced battery performance along with efficient charging capabilities.

Cost

It is important to consider products that are both right for you and do not break the bank. Luckily, with this current round up you should have no trouble checking both these boxes and ending up with a great and affordable charger!

Frequently Asked Questions About Battery Charger

Q1. What is a deep cycle battery charger?
Answer: A deep cycle battery charger is a portable device that you can use to charge certain types of batteries that have been damaged or are in need of a routine recharge.

Q2. Who uses deep cycle battery chargers?
Answer: Deep cycle battery chargers can be used by professional mechanics or by people in general as long as they follow the proper safety protocol. You will usually see one of these at an auto shop, or service garage for sure.

Q3. How much does a deep cycle battery charger cost?
Answer: The cost of a deep cycle battery charger can vary depending on the kind of charger you are using, the size of the charger, as well as the company/seller.

In addition, it depends on the cost of the extra items you might need with the charger. Typically, most of these items are included while others may have to be bought separately.

Q4. How long does a deep cycle battery charger last?
Answer: A deep cycle battery charger does not have a specific life span but it does last a fairly long time as long you keep the batteries charged. Even the charger needs to be recharged every now and again.

Q5. What kind of batteries go into a deep cycle battery charger?
Answer: There are a few different types of batteries that are used by deep cycle battery chargers, they may be in-built or insert able. Typically, they are lead acid batteries or lithium ion etc.

Q6. What kind of batteries can be charged by a deep cycle battery charger?
Answer: Batteries found in vehicles, along with sealed batteries, flooded batteries, and AGM batteries are usually the top contenders that can be charged using a deep cycle battery charger. For the specifics, you can check the product descriptions under the chargers.

Q7. Is a deep cycle battery charger used for charging car batteries?
Yes, depending on the specifics of the charger, it should be able to charge a car battery without any trouble. However, it may be a more heavy duty charger in this regard.

Q8. Are deep cycle battery chargers safe to use?
Answer: Yes, most deep cycle battery chargers come with spark proof, and short circuit proof technology along with protection against reverse polarity so they completely safe.

Q9. Do you need a professional to operate deep cycle battery chargers?
Answer: No, you can use a deep cycle charger at home as well provided that you use the right safety measures because there is really not much complicated about the process.

Q10. Can a deep cycle battery charger be used outside?  
Answer: Some deep cycle battery chargers come with a weatherproof casing so they can be used outdoors. There is a temperature range for these too. For the rest, it is better to just use them indoors or in your garage.

Final Thoughts

With one of these deep cycle battery chargers in your back pocket, you will have all your uncharged devices or batteries rolling back up in no time – excuse the pun, but we mean it, you will not need anything beyond this little inventory, good luck!

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