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Old 17-12-2024, 00:47   #1
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Lithium Battery Size

Just curious how Renogy can make such a small 300AH Lithium battery compared to the competition?

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Old 17-12-2024, 02:10   #2
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Re: Lithium Battery Size

The right design is not just magic. When I opened the Chinese drop-in Lifepo4 batteries I bought three years ago to add an active balancer, I was very surprised to see that they had placed 200Ah LFP 4s cells in the same capacity LA battery box. The cells only took up 1/3 of the volume in the box. Normally, you can fit the same Ah capacity LFP battery in the volume reserved for sufficient LA capacity on boats. Since efficiency increases by 100% with LFP, it may not be a big problem, but; it is much more logical to fit 200-300% more energy in the same space.
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Old 17-12-2024, 02:13   #3
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Re: Lithium Battery Size

Individual cells have gotten smaller over the years but it would have to be dismantled into it’s individual components to inspect how well it is built and bench tested to determine the actual accuracy of the features claimed by the builder.
This guy does some great test videos, such as
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