Choosing the battery that powers your boat is a major decision that requires short-term and long-term thinking. In the past, there weren’t many options for marine batteries, but the options have grown in recent times. Where lead-acid batteries were once the go-to standard, lithium-ion batteries have a stronger stance nowadays. We’ll go over the differences between lithium-ion and lead-acid marine batteries so that you can see the differences.
Marine batteries are often measured by the number of charging and discharging cycles they can undergo before needing a replacement. Between lithium-ion and lead-acid marine batteries, lithium-ion batteries beat out the competition. Lithium-ion batteries allow for a few thousand charge cycles, and that’s without any serious maintenance. On the other hand, lead-acid batteries require more maintenance, but might not even make it to a thousand cycles before giving out on you.
Your boat’s weight is a huge factor in its capacity and mobility, and your boat’s battery is an important part of this measurement. For an average lead-acid battery, around 100 Ah, expect a weight from 60 to 80 pounds. A comparable lithium-ion battery is far lighter, sometimes coming in at half of the weight of a lead-acid battery.
Lithium-ion marine batteries gained popularity when boat owners discovered their increased power storage capacities. Another important thing to consider is lead-acid batteries run into issues if you discharge them too much, too quickly. You can damage a lead-acid battery if you discharge it, usually below half its capacity. Lithium-ion batteries allow more discharge without drawbacks, some allowing a full discharge without any issue.
Cost is one issue that might drive you one way or another. There’s no doubt that a comparable lead-acid battery costs less than a lithium-ion one. However, you have to understand what exactly you’re paying for. While lithium-ion batteries are more expensive upfront, they last far longer and require less maintenance. With a long-term mindset, buying a lithium-ion battery actually saves money compared to buying a lead-acid one.
If you’re in the mood to grab a lithium marine battery for your own boat, Abyss Battery can supply you with what you need. Give your boat the upgrade it deserves with a high-quality lithium-ion battery from Abyss Battery.
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