Choosing the Right Marine Battery

Choosing the Right Marine Battery marine electric systems

Choosing the right battery for your vessel can be confusing if you are a new boat owner.

If you are confused about which marine battery to get for your boat, then you are not alone. Choosing the right battery for your vessel can be confusing if you are a new boat owner. Or if you have never purchased a marine battery before. With the various kinds of batteries on the market, it is difficult to know which to buy. Each one has its advantages and disadvantages. And each marine battery powers something different. Here are some tips on choosing the right marine battery for your boat.

Types of Marine Batteries

It is important to understand the different types of batteries available. In general, there are three main types of marine batteries: cranking, deep-cycle, and dual-purpose batteries.


Cranking batteries do what their name suggests. They provide the power required to start your boat. This requires a short and powerful burst of energy, which is supplied to cranking batteries through several thin lead plates. These batteries are designed to put out a large amount of power in a short period of time. This is an essential battery for all first-time boat owners.


If you need to power onboard electronics and accessories, the deep cycle battery will be best for you. A deep cycle battery puts out a smaller amount of energy for a long period of time. It can handle long discharge cycles while the engine is off. A deep cycle battery consists of fewer and thicker lead plates to provide continuous power output over longer periods of time. If you have radios, cooking equipment, or other electronics onboard, a deep-cycle battery is vital for powering everything.


This type of battery can be used as both a cranking and deep-cycle battery. Dual-purpose batteries have similar properties of both batteries. However, they do not always allow your boat to perform at the same level as two batteries would. These batteries are typically found on boats that are too small to accommodate two batteries.

Never Substitute One Battery for Another

You should only use marine batteries for their intended purposes. Using a deep-cycle battery instead of a cranking battery won’t provide you with enough power to start your engine. On the other hand, using a cranking battery to power onboard electronics will cause the battery to overheat and die, leaving you without power. The last thing you want to happen is to be out on the water without power.

Marine Electric Systems, LLC is a Leader In the Maritime Industry

We here at Marine Electric Systems have over 30 years of industry experience. You can trust our team for reliable service and expert craftsmanship in the Maryland, Baltimore, Annapolis, and Baltimore city areas! We’re highly certified and adhere to all ABYC and NMEA regulations. We specialize in top-notch electrical solutions for recreational, commercial, and government boating clients. Anything from electrical refits, to navigation systems, or boating maintenance. To stay up to date on our services, follow us on Facebook, LinkedIn, Pinterest, Instagram, and YouTube. You can also contact us at 410-263-0807.

This entry was posted on Friday, October 15th, 2021 at 10:47 am. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.