Flooded lead-acid batteries, the traditional choice, have liquid electrolytes free-flowing within their cells, necessitating upright installation to prevent leaks. Their construction makes them more prone to spillage and leakage if not handled with care.

AGM batteries, on the other hand, use a fiberglass mat to hold the electrolyte in place, offering a spill-proof and leak-resistant design that can be mounted in various positions without the risk of leakage.

Flooded lead-acid batteries require periodic checks to ensure fluid levels are adequate and to prevent sulfation. And AGM batteries do not need regular water top-ups like their flooded counterparts, allowing for more efficient energy delivery and higher voltage output.

In terms of lifespan, AGM batteries generally outperform flooded lead-acid batteries, with a well-maintained AGM battery lasting up to 7 years compared to 3-5 years for the latter.

Which one is better? It depends on specific application requirements, budget constraints, and maintenance capabilities. AGM batteries are preferred for high-performance, safety-critical, and maintenance-sensitive applications, but flooded lead-acid batteries may be suitable for situations where initial cost savings are paramount, and regular maintenance is feasible.

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