how long can it lasts if the battery is charged fully? 3hrs or 7hrs? like the new macbook?

my macbook battery died after like a few years... i seldom use the battery though... if i buy a new battery, can it use for 7hrs like the new macbook or just 3-4 hrs like now?

QA Rechargeable Battery 13" MacBook

QA Rechargeable Battery 13" MacBook

Product No Longer Available

1 Answer from the Community

  • Best Answer:

    The newest Macbooks have a higher-capacity battery and different power handling, so you shouldn't expect to get 7 hours from the "older" Macbook batteries. Maximum 5-6 hours, depending on what you're doing (heavy CPU usage, WiFi, bright screen, playing movies etc will bring that time down).