I was tricked into buying this company laptop. Review on Lenovo Thinkpad

I purchased this laptop from an online website this laptop I bought in February 2019. Within 4 days of ordering the laptop was delivered to my home. Then after using the laptop for a will. I see a problem with the laptop I notice that the battery backup of the laptop is very slow. One day the laptop was closed despite the full charge. Then I I try to turn on the laptop but the laptop was not turn on then I I immediately called this laptop companies customer care, and id.me the laptop battery problem. And asked me to take the laptop to their service centre from customer care. Then I took the laptop to the service centre of this company. They checked the laptop and repaired it and give it to me full stop then I come home with the laptop and use it for 4 to 5 days the laptop was the same problem again full stop then I talk the laptop and went to the service centre of this company again. And checked the laptop again and got it repaired after using it again for 10 days Dell laptop battery becomes damage. Then I took the laptop to their service centre several times birthday didn't repair my laptop.