Which? has discovered that the battery life claimed by laptop manufacturers rarely lives up to reality, with their tests finding it often falls drastically short.
It’s not all bad news, their tests found that with Apple MacBooks, you could meet or even exceed the claimed battery life, according to Apple.
Further details of the tests can be found on Which?. The tests involved actively browsing the web over Wi-Fi and draining the whole battery several times over while performing a range of tasks.