Manunta, welcome to Tweakers.net
First of all this is a Dutch website, so i don't know the policy on posts in different languages.
Second, we expect people to do some research instead of simply asking the questions.
- How long does this new battery last in the laptop?
- How long did the old battery last in the laptop when it was new?
- Have you read any reviews of the laptop to detemine what the original battery life should be?
Testing the battery could be done in many ways (full load and high brightness or browsing with normal brightness etc.) the importand thing is to callibrate the battery before doing the tests.
https://www.howtogeek.com...e-battery-life-estimates/
Als de lat te hoog ligt kun je er nog altijd onderdoor lopen.