Lead-Acid vs. Lithium Batteries: Which Are Best For Solar?
Here''s the summary: Lead-acid is a tried-and-true technology that costs less, but requires regular maintenance and doesn''t last as long. Lithium is a premium battery
It's evident that lithium-ion batteries provide more benefits than lead-acid batteries. For short-term projects, lead-acid may potentially outrank their peers for their lower price points. But this is definitely not the case for solar projects, which bear in mind sustainability and long-term well-being of people.
The best lithium battery chemistry for solar applications is Lithium Iron Phosphate, shorted to LiFePO4 or LFP batteries. This new technology lasts longer and can be put through deeper cycles. They also require no maintenance or venting, unlike lead-acid batteries.
Sealed lead-acid batteries, the principal type of lead-acid batteries adopted in solar projects, require monitoring of their charging cycles and regular checks on ventilation. However, lithium-ion batteries require much less maintenance once put into operation.
Gel lead-acid batteries, a variant of VRLA technology, have become a good choice for solar energy systems and other off-grid applications. Unlike traditional flooded lead-acid batteries, these batteries are less likely to encounter liquid leakage and require less maintenance.
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