Battery Lifespan

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Batteries are considered consumed at

  • 500 cycles for iPhones
  • 1000 cycles for iPads
  • 1000 cycles for Watches
  • 300 cycles for A1181 and silver key MBP
  • 500 cycles for removable unibody MacBooks
  • 1000 for non removable battery MacBooks

If a battery is less than 80% capacity or greater than 80% of its consumed cycle count, it should normally be replaced when refurbishing. If a computer is under warranty only look at the capacity. Anything under 70% will likely perform badly.