Upvote:1
Yes, your charger can accept 220 V mains power. You will need an adapter because the shape of the plug is very likely different. A simple adapter doesn't do anything to the voltage, it just offers a different shape of plug. (There are adapters that change voltage, but they are larger, more expensive, uncommon, and you don't need them for a laptop.)
For example, you might have a "Type A" plug (used in the US):
and you might be trying to plug it into a French socket:
A simple adapter which should cost maybe $10 will do the job.