How long should a deep cycle marine battery last?

Monte Okuneva asked a question: How long should a deep cycle marine battery last?
Asked By: Monte Okuneva
Date created: Fri, Jun 18, 2021 8:52 PM
Date updated: Wed, Aug 31, 2022 9:10 PM


Video answer: Best deep cycle marine battery in 2020 – long lasting & non stop service!

Best deep cycle marine battery in 2020 – long lasting & non stop service!

Top best answers to the question «How long should a deep cycle marine battery last»

Most deep cycle batteries can last up to six years with proper care and charging (depending on the frequency of use). It's up to you to make sure that your battery isn't being damaged by your charging routine.


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Video answer: How to maintain and use agm deep cycle batteries

How to maintain and use agm deep cycle batteries

9 other answers

Making Deep Cycle Batteries Last As Long As Possible. Naturally, you shouldn’t expose your battery to excessive temperatures that are outside of its standard operating specifications. If you’re constantly overheating your batteries, then they won’t last anywhere as long as they should. In fact, they might eventually start to leak.

As for deep cycle batteries, the lifespan really depends on the type. An AGM class battery will last anywhere from four to seven years, while a deep cycle gel cell battery can last from two to five years. Floored lead acid types have the greatest life expectancy, as these batteries can last from four to eight years.

Note: most deep-cycle batteries feature 1h actual capacity around 55-60%, only premium lead-acid batteries feature 1h actual capacity of 65-70%, and such batteries tend to be rather costly. So, if you need a lead-acid battery with actual 92 Ah capacity, go for deep cycle battery with the capacity of at least 135-150 Ah nominal capacity.

An automotive one may only take you so far but a well-maintained marine battery will probably last you 4-5 years from new.

A deep cycle battery will typically outlast two to ten car batteries when used in deep cycle applications. In warm weather, starting an engine will typically consume less that 5% of a car battery's capacity.

Some battery people recommend equalizing in this manner every three months (or after 5 deep cycles). I think the wear and tear on a 12V battery from equalizing this often does more damage than it’s worth.

The life span of the battery mainly depends on usage-normally 6 to 48 months. But most of the cases 30% of the battery can reach that mark. And you amazed why? Well, it causes for lack of maintenance.

The number you will find is the approximation time of the battery recharge. If you have a 100 amp battery, then the battery will take 5 hours to reach the 50% battery capacity. Deep Cycle Battery Charging Instructions To Follow: While charging the battery, you need to maintain some rules to make the charging proper.

Indeed, a typical cycle for a deep cycle battery would start at 100% capacity, followed by discharge of the battery to between 20 and 50% of its original capacity, and then recharge back to 100%. The lifetime of your batteries will also be influenced by their typical depth of discharge.

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