The 20-80 rule means keeping your battery's state of charge (SOC) between 20% and 80% instead of fully charging to 100% or draining to 0%. By avoiding extreme voltages, you reduce chemical stress inside the cells and significantly extend battery life.
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For residential and commercial solar energy storage, Prismatic LiFePO4 cells are generally the better choice. They offer a higher energy density, require fewer connections (reducing points of failure), and utilize space more efficiently in large battery banks.
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Visible changes in batteries or devices often signal swelling: -Battery bulge: A bloated or expanded appearance. -Device deformation: Warped casing due to internal pressure.
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Unbound Solar carries durable solar battery boxes and enclosures that are perfect for your off-grid or grid-tie with battery backup system.
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