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Which typical service life does a starter battery achieve?

  • A.Around four to six years in temperate use
  • B.Around fifteen years, after which the plates have shed sufficient material to reduce the capacity noticeably
  • C.About one year
  • D.Around ten years, provided that the battery is maintained on a charger whenever the vehicle is not being used

Answer: A

Four to six years is typical, with hot climates and heavy cycling shortening it considerably. Careful maintenance genuinely extends it, which makes the last option an optimistic but not absurd figure. Failure is often sudden after a slow decline. Working the distinction through on a single concrete case fixes it more firmly than any rule of thumb. Most errors here come from carrying across a result from a neighbouring case where it does not hold.

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