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Join date: Nov 3, 2022

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Many lithium batteries are drop-in replacements, meaning that they’re designed to fit like a typical lead-acid battery in your battery bank. However, it’s not always plug-and-play. You may need additional components to complete your installation.


Depending on your use and application, you may need to upgrade your inverter and battery charger to maximize performance. Additionally, lithium batteries don’t have any warning signs they’re about to die, so you may also need to add a battery monitor as well.


Most of these changes are relatively straightforward; however, errors in electrical systems can be dangerous. If you are not confident in your ability to make the switch to marine lithium batteries on your own, please get in touch with a professional.


How Long Do Lithium-Ion Marine Batteries Last?

Lithium marine batteries will typically last 3,000-5,000 charge cycles. This usually translates to lithium batteries lasting ten years or longer.


In fact, here at Dragonfly Energy, we offer 5-year warranties on our lithium batteries. Conversely, most lead-acid manufacturers offer warranties between one and five years.


Are Lithium Batteries Safe on Boats?

Yes, lithium batteries are safe for marine and boat applications. Lithium batteries are sealed, which means that moisture and even a bit of water splashing on them will not cause harm.


Additionally, most lithium batteries have an internal battery management system (BMS). The BMS will detect unsafe conditions and shut down the battery to prevent damage or thermal runaway.


How Expensive Are Lithium Marine Batteries?

Lithium marine batteries usually cost around $1,000 for a 100 Ah capacity battery. The upfront cost is significantly more than the lead-acid counterparts available, but the overall long-term cost is lower.


Is Upgrading Your Marine Battery to Lithium Worth It?

We’ve said it a few times: lithium-ion batteries are quite a bit more expensive than their lead-acid counterparts. However, for the added cost, you enjoy the benefits of significant weight reduction, increased efficiency, added safety, and a much longer lifespan.


When you factor everything in, not only are lithium marine batteries actually cheaper in the long run, they’re absolutely worth the investment.


How Does Weather Affect Solar Energy?

Anything that causes the sky to be dark or overcast will impact solar collection… but maybe not as much as you think. Solar can work off of every visible light frequency, so you’ll still get some power generation on gloomy days. But you will, of course, generate the most solar power on beautiful clear days.


How Does A Solar Panel Work When It’s Cloudy?

Clouds act as a mirror from the sun’s perspective, reflecting energy back out into space rather than letting it hit the ground. This is called the ‘albedo effect’. But any energy that passes through the cloud cover is still up for grabs. You’ll notice that a cloudy day is rarely as dark as actual nighttime, which means light is getting through. So the percentage of sunlight that does make it through the clouds can trigger the photovoltaic effect and make some electricity.


For more details, you can read Do Solar Panels Work on Cloudy Days.

Tina Yu

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