There is therefore often no alternative to going to a specialist workshop – it is best to pay attention to certified companies that offer one Warranty on the spare part grant. The situation is different with repair-friendly business devices like the Lenovo ThinkPad T14 Gen 5 or pioneers of modularity like the Framework Laptop 16: Here you often only need a suitable screwdriver and ten minutes to replace the battery yourself. In this guide we explain how you can replace your laptop or smartphone battery yourself.
Be careful when purchasing parts: Don’t save at the wrong end. Extremely cheap replica batteries from no-name dealers on large marketplaces not only pose a fire risk, but often also cheat on the real capacity. Grab it Be sure to use original parts from the manufacturer or to certified replacement parts from established third-party providers (such as iFixit).
If the diagnostics show that your battery is still physically healthy, then the problem is probably due to software with a self-service mentality. Practical: Windows and macOS have integrated power guzzler finders. On Windows, navigate to Settings → Power and battery → Battery usage. There, Windows lists exactly which apps have used the most energy in the last few days. The app does the job on the Mac Activity indicator (Reiter Energy) same purpose. If you come across programs that you don’t actively use, you should limit their background activity or uninstall the software completely.
💡 Infobox: The new right to repair (as of 2026)
The Right to repair comes from the European Commission and the EU Parliament. The aim of the legislative package is to reduce the growing mountains of electronic waste on the continent and strengthen the circular economy. After the EU directive was passed in 2024, the member states had until 2026 to implement the requirements into national law – now the rules are taking effect gradually and are increasingly having an impact on everyday repair work.
What consumers get out of it:
