Average Car Battery Lifespan: What to Expect Most car batteries last between 3 to 5 years, but this varies based on multiple factors. Here’s the breakdown: Battery Type Average Lifespan Best For Standard Flooded Lead-Acid 3-4 years Budget vehicles Enhanced Flooded (EFB) 4-5 years Start-stop cars Absorbent Glass Mat (AGM) 5-7 years Luxury/performance vehicles Lithium-Ion […]