naładować się in English:

I'm going to have a weekend away to recharge my batteries.

I need to recharge my dead phone.

I think putting beds or areas for naps in the office would help us workers feel more able to rest and recharge our minds.

I think my phone is broken, but maybe I just need to recharge the battery.

recharge your batteries

to recharge both mind and body

I had a weekend of doing nothing so I could recharge.