What are the best AGM starting battery for boat?

Have you ever in the situation when you tried to start your outboard but you got nothing. It always the heart-sinking feeling for me and in order to avoid this, I have been researched for the best starting marine battery for the smooth boating journey. Since AGM battery is the most versatile and common type for boat, I would like to recommend my selection for AGM staring batteries.

Best AGM battery for boat is essential part that will help start your boat engine smoothly. The remainder of this post will ensure you are choosing the right batteries.

#1 Odys Optima Batteries 8006-006 34M BlueTop Marine Starting Battery

Optima Batteries Blue Top provide medium power for your boat with the reasonable price. It is a trustworthy choice as it offers 100-minute reserve and 800 amps of CCA rating. Due to this, it is strong enough to start most engines. It is designed with patented SPIRALCELL technology, what makes it provides more power for the engines in a single burst than the flat-plate batteries.

As it is AGM batteries, it comes with 15 times vibration resistance capacity and also requires low maintenances. It has the tightly wound construction for minimum the battery’s movement. The beneficial of AGM batteries is that they are sealed and spill-proof. They also can be placed at any position in the boat. If you are not the regularly boater, you will love this battery as under the proper maintenance and temperature, it can retain its charge for up to a year.

#2 Exide XMC-31 MEGACYCLE AGM-200 Sealed Maintenance Free (AGM) Marine Battery

Although Exide company is not as well knon as the Optima brand above, but at some aspects, this Exide XMC-31 battery is even scored higher than Optima Batteries Blue Top. The Exide XMC-31 MEGACYCLE AGM-200 provide high capacity as it comes with 925 cold cranking amps, so you can trust it to start your engines.

You may be impressed about its 220-minutes of reserve capacity, which is 2 times longer than Optima batteries. Just like other agm batteries, this one also does not require you any effort of maintenance. You just need to not overcharge it.

The Exide XMC-31 battery is made with compression technology and solid housing to protect the internal parts of the batteries from vibrations affecting on the boat, this battery also comes with two-year life time warranty. It may take longer time to recharge because of its higher capacity.

#3 Optima Batteries 8020-164 35 RedTop Starting Battery

If you are looking for the reliable batteries that can be used even in the poor weather but still has the affordable cost, then you should go for Optima Batteries 8020-164 35 RedTop. It is designed with sealed construction and the sturdy case that made of polypropylene material, what helps resist bad weather and water-proof.

What I like about this battery is its small and compact size, its dimensions are 9” tall and 6” wide, what makes it ideal for even small boat as it do not take much of space. The internal parts are made from 99% lead plates that have a special oxidized finish. There is an absorbent glass pad, which gives a reliable discharge.

However, what I dislike is that it has the relatively low reserve capacity. It only provides 90 minutes reserve capacity, lower than the previous options. However, it is not the serious problem as starter battery does not really need to retain the continuous power output. But it is always better to get something with higher reserve capacity

Like other optimal products this one also made with polypropylene casing for the extremely durable and reduce the vibrations up to 15 times. The 99% of lead components have a high resistance which gives the battery longer overall life.

It offer the longer lifespan for most batteries product out there and require very low maintenance requirements.

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