How to say ''That's good'' in Korean?
Friend: Finally got battery on my phone.
Me: That's good.

Don't mean Thats good in a food way.
Or if you have any better words to describe please tell me!

Question

How to say ''That's good'' in Korean?
Friend: Finally got battery on my phone.
Me: That's good.

Don't mean Thats good in a food way. 
Or if you have any better words to describe please tell me!

Answer

That's good : 좋아요.!
In this sentence,  "Well, that's good news." ( That's fortunate)
정말 다행이네요!

Answer

잘됐네!