If you enjoy boating, you understand the importance of a reliable marine battery. Many types are available, and they all have their own strengths and weaknesses.
The wrong cell won’t be able to keep a charge or provide enough amperage for your needs. So, what is the most efficient type of marine battery?
One of the most common types of cells in boats is the flooded lead-acid battery. It contains an anode and cathode connected to lead plates and can be recharged to extend its life. These batteries have existed for a long time and have high discharge rates.
While flooded lead-acid batteries are affordable and readily available, they’re far from the most efficient. They have limited cycles and high maintenance costs and are among the least efficient batteries you can buy for your boat.
Another common type of marine battery is the lithium-ion cell. Lithium-ion batteries are relatively new compared to lead-acid. They add less weight to your vessel and have a longer lifespan and improved temperature tolerance.
Lithium-ion batteries offer a drop-in replacement, giving boaters the longest possible battery life. Unfortunately, they tend to overheat when damaged. Understanding why lithium-ion batteries are more efficient than other types will help you get the most out of your investment.
Absorbed Glass Mat
Absorbed glass mat (AGM) batteries are more efficient and better equipped for marine life than other power sources. AGMs are derived from traditional lead-acid designs and can deliver powerful bursts of energy and run small onboard electronics for long periods.
AGM batteries have a specialized separator between the cell’s plates that holds the electrolyte solution rather than storing it in water. This design reduces spillage while shortening charge times. Many boat owners consider AGM batteries the most efficient due to their long lifespan and ability to hold a charge for long periods.
Don’t Get Stranded Because of Your Battery
Boat owners need reliable batteries to start their motors and provide electricity on the water. While lead-acid batteries work well enough, they’re far from the most efficient. The best marine battery depends on your needs, but you can’t go wrong with a lithium-ion or AGM cell.
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