In AGM batteries, the sulfuric solution is absorbed by the glass mat thus making the AGM battery virtually leak proof and much safer to use than other lead-acid batteries. Moreover, these batteries can be shipped much easier because the hazardous material transportation restrictions do not apply to the AGM batteries.
Plus, AGM battery plates can either be molded into flat plates or squeezed into cylindrical cell tubes. Furthermore, AGM batteries have been tested and found to possess a very low resistance hence these batteries are capable of delivering high currents without using too much of its internal resource.
Also, AGM batteries are considered to be very reliable despite being practically maintenance free but you would still need to change the top of the battery so as to prevent the sulphates build up. Once in use, the AGM batteries have been reported to be very low in charge thus serving much longer than other types of batteries.
AGM batteries compromise of large plates made out of lead that are submerged in an acidic electrolyte. When the vehicle is turned on and the battery starts discharging, the lead plates begin to cover in sulfate while the acidic electrolyte turns into an alkaline one.
Similarly, once the AGM battery charges, the alkaline electrolyte turns back into an acidic one because the sulfate from the lead plates goes back into the electrolyte. On the other hand, lead batteries are very likely to corrode and could be hazardous to handle as the electrolyte can cause serious skin burns if it leaks.
Plus, such batteries are not eco-friendly because if they are discarded the wrong way then they could contaminate soil and water. Furthermore, lead-acid batteries are more exposed to the vibrations of the vehicle engine thus they are much more likely to leak.
Table of Contents
- What ratings are given to batteries?
- What are the advantages of AGM batteries?
- Why CCA rating matters?
- Comparison of 9 Best AGM Batteries in 2019
- Top 9 Best AGM Battery Reviews in 2019
- #1 Odyssey Heavy Duty Commercial AGM Battery
- #2 Optima Redtop 12 V AGM Battery
- #3 Optima High Performance 12 V AGM Battery
- #4 Vmax Solar SLA Rechargeable
- #5 Mighty Max High Rate AGM Battery
- #6 Universal Power Group 12 V AGM Battery
- #7 Vmax Deep Cycle Maintenance AGM Battery
- #8 Vmax Tanks HI Cycle AGM Battery
- #9 Interstate Sealed Lead Acid Deep Cycle AGM Battery
- Relevant Resources
What ratings are given to batteries?
All vehicle batteries are rated on the CCA, which stands for Cold Cranking Amps, just like vehicle batteries are plus these ratings are a good indicator on how much current the AGM battery will be able to deliver when the outside temperature is around 0 degrees Fahrenheit.
However, keep in mind that this is just a rating to indicate how robust a certain battery is and not whether it will work in winter. Another type of rating is based on the size of the battery, these ratings are assigned according to the American Battery Council.
Nowadays, most batteries are assigned a rating of U1 which means that they are about 8 inches long and 5 inches wide. Such dimensions are important because different vehicles have different sized battery trays. Plus, the battery must also be connected to the battery cables thus buying the right sized battery for your vehicle is crucial.
What are the advantages of AGM batteries?
The main advantage of AGM batteries is their recharging speed, with some battery models being capable of recharging almost five times faster than regular flooded version. Moreover, most AGM battery models are very compact and usually range from 35-100 Ah plus they are often used in different vehicles to power radio, windshields and mirrors.
Furthermore, AGM batteries are often used in motor and marine homes because they have great cold temperature resistance. However, AGM batteries are very sensitive to overcharging hence you will have to be very careful not to overheat or burn the battery. Also, try to keep the AGM batteries away from the engine compartment and any other hot compartments.
Why CCA rating matters?
The output of the battery might not be of concern to you when you have a small power needs however it will become an important factor in choosing the best AGM battery if you have a large marine vehicle with large power need. Thus, check the recommended rating of CCA that the manufacturer of your vehicle has specified.
Choosing an AGM battery with very low CCA rating can lead to your vehicle not starting at all. On the other hand, a higher CCA than your vehicle can take could lead to your battery wearing out.
Comparison of 9 Best AGM Batteries in 2019
|Image||Brand of AGM Battery||Voltage||Spill-proof||Rechargeable||Latest Price|
|Optima||12 V||No||Yes||Check Price|
|Optima Blue||12 V||Yes||Yes||Check Price|
|VMax solar||12 V||No||Yes||Check Price|
|Mighty Max||12 V||No||Yes||Check Price|
|Universal Power||12 V||Yes||Yes||Check Price|
|Vmax Marine||12 V||No||Yes||Check Price|
|Interstate Batteries||12 V||Yes||Yes||Check Price|
Top 9 Best AGM Battery Reviews in 2019
#1 Odyssey Heavy Duty Commercial AGM Battery
This fully rechargeable AGM battery can be mounted in a number of ways plus it has been reported to perfectly resist shock and vibration emitted by the engine thanks to the thick layer of gel insulation.
Moreover, customers can choose from 3 different sizes depending on their vehicle type and its specifications.
All Odyssey AGM batteries have been tested and CCA rated thus you can be assured that this battery will work flawlessly even in cold weather.
#2 Optima Redtop 12 V AGM Battery
Moreover, it quickly recharges and has a protective mechanism in place to prevent overcharging and thus ruining the battery itself. Furthermore, if you would like to prolong the batteries life once it will serve its time, you could just change the electrolytes instead of changing the AGM battery.
Also, this model can work in a wide span of temperatures ranging from 0 degrees Fahrenheit to 100 degrees Fahrenheit.
#3 Optima High Performance 12 V AGM Battery
Optima Bluetop 12V AGM Battery is made with a sealed lead acid battery that is reliable and long lasting. Moreover, this battery comes with a new blue top design that features a gel mat lining so as to prevent any leakages.
Plus, customers have reported this model of Optima AGM Battery having a wide working temperature range as well as great vibration and shock insulation.
Furthermore, it can be recharged pretty quickly while its compact size will allow it to be mounted in a number of safe ways. Lastly, the manufacturer offers a 60-day money back guarantee and good customer support that was reported to be friendly and very helpful.
#4 Vmax Solar SLA Rechargeable
Another great option of AGM battery that is being manufacturer locally thus it costs cheaper than imported ones. This model of AGM battery comes in 2 different sizes and has a gel layer on all sides to prevent any potential leaks.
Moreover, customers have reported it is really easy to install and connect the terminals to the electrical cables. Plus, the customer support is great just in case you are going to need to contact them for more information, instructions or any other help.
Lastly, the manufacturer of these AGM batteries offers a 30-day money back guarantee hence you can be assured of the quality.
#5 Mighty Max High Rate AGM Battery
Mighty Max High Rate AGM Battery is a long-lasting and durable battery that will require minimum maintenance on the customer’s part. Plus, loyal customers have reported the battery recharging very quickly while the overcharging mechanism will prevent the battery from overheating and become useless.
Furthermore, the manufacturer has designed this battery in a way that will allow you to change the electrolytes instead of changing the battery. This will prolong the batteries life and will save you money in the long run.
#6 Universal Power Group 12 V AGM Battery
A great option for customers looking to buy AGM battery on a budget as this combo pack will stock you up for a long time. However, the size of the batteries is rather small as just little over 5 inches in length and 4 inches in height.
Also, the batteries come in a packaging box without any cables or mounting harnesses, therefore, think about how you are going to mount it and with what prior to the actual installation.
#7 Vmax Deep Cycle Maintenance AGM Battery
Vmax Deep Cycle Maintenace battery has been praised by many motor enthusiasts as durable and reliable AGM battery plus the manufacturer has implemented a double layer or gel mat so as to make the battery more resistant to vibrations and shocks that the working motor engine will make.
Moreover, customers have reported friendly and helpful customer service plus the Vmax Deep Cycle AGM battery can be recharged thus prolonging its life and saving you the money you would otherwise spend buying a new AGM battery.
#8 Vmax Tanks HI Cycle AGM Battery
The battery case is made from rugged plastic that will withstand scratches, scuffs and other impact damages. Moreover, this plastic body makes the battery highly resistant to heat, shock, and vibrations that could potentially cause a leak.
Plus, it works at a wide range of temperatures and has a glass mat for added protection from potential electrolyte leakages. The packaging box contains a clear instruction booklet on how to install and connect the terminals yourself.
#9 Interstate Sealed Lead Acid Deep Cycle AGM Battery
Interstate Sealed Lead Acid Deep Cycle AGM battery is made to be 100% spill proof and has been reported to be quick to recharge and work great in different temperatures. Moreover, it is well insulated so as to resist shocks, vibrations and heat.
Plus, these batteries are available in several sizes thus you can be sure that you will find the one that will fit your lawn mower. Also, the manufacturer offers a 2-year warranty and great customer support at all times.
AGM batteries are often also called VRLA, valve regulated lead-acid battery or SLA which stands for a sealed lead acid battery. Moreover, these batteries have their own variants, for example, the gel cell battery which involves using silica dust on the electrolyte to form a thick and putty-like gel layer.
Plus, because of their specific construction, these batteries can be mounted in a number of ways and do not require much maintenance. However, they will still need some cleaning and testing for longer life. On the other hand, lead acid batteries are made out of an acid and water solution that makes up the electrolyte.
This electrolyte can potentially cause chemical burns to the skin and the eyes if the battery leaks. The water from the electrolyte can evaporate during the batteries work while hydrogen and oxygen get released when the lead plates are heated.
These gases are very dangerous because they are combustible have the potential to blow up hence it is crucial for you to take all the safety precautions when dealing with lead-acid batteries. Most scientists believe that a large number of explosions occur when the electrolyte level drops thus allowing for oxygen and hydrogen to accumulate.
Then when the battery is started, a spark is created that could ignite these gases. To protect yourself, always install and connect the battery in a well-ventilated area plus never smoke around the battery. Also, think about wearing gloves and maybe even an apron when you will be handling the battery, charging or installing it. Lastly, never forget to wash your hands thoroughly after lead-acid battery handling and check for battery leaks every once in a while.