English Community

ThinkPad NotebooksThinkPad P and W Series Mobile Workstations Knowledge Base

W series AC adapter compatibility


What are compatible power adapters for the W520 and W530? I want to ensure that I have adequete power to my GPU and CPU. I know lower wattage adapters sometimes seem to work but I want to make sure I'm not damaging my Thinkpad.




As a rule of thumb, dual core model uses 135 watts, quad core model uses 170 watts.


If a lower wattage adapter works, it may not charge the battery and could severely limit or throttle the CPU. 


It is generally acceptable to use a higher wattage than needed adapter - i.e. a 170w adapter with systems that would otherwise only need a 90w, or a 90w, where a 65w is typically used.   However, it is strongly recommended that adapaters with less than required wattages not be used.


ThinkPad 135W AC Adapter

ThinkPad 170W AC Adapter


Was this information helpful?

Yes No


Community Guidelines

Please review our Guidelines before posting.

Learn More

Check out current deals!

Go Shop