How long does a car battery last?
Typical lifespan
3–7 yr
A 12-volt lead-acid battery that starts the engine and steadies the electrical system.
Shorter in hot climates, where the electrolyte and plates degrade faster.
How that compares
Car battery against things of a similar time.
Laptop 3–8 yr
Coffee machine 3–8 yr
Printer 3–10 yr
Tablet 3–8 yr
Car battery 3–7 yr
Red fox 2–15 yr
Giant Pacific octopus 3–5 yr
Wild turkey 3–13 yr
What that means over time
| Period | How many you would buy |
|---|---|
| Per year | 0.25 replacements |
| Over 10 years | 2.5 of them |
| Over a 30-year mortgage | 7.5 of them |
Lifespans are medians under ordinary use, not guarantees. Maintenance, how hard it is used, and build quality move individual examples a long way in both directions — which is why the range above is as wide as it is.
More about a car battery
- How much does a car battery weigh? 11–30 kg
- How much does a car battery cost? 80–400 $
- Car battery vs Tyre Side by side
Common questions
- How long does a car battery last?
- A car battery lasts 3–7 yr. Shorter in hot climates, where the electrolyte and plates degrade faster.
Related pages
- How much does a car battery weigh? 11–30 kg
- How much does a car battery cost? 80–400 $
- How long does a tyre last? 3–10 yr
- How long does a utility pole last? 25–60 yr
- Car battery vs Tyre Side by side
Sources
- Typical range compiled from manufacturer specifications — At One Place