Recharge your batteries
Definition 1 of 1
Pro Tip 1/3Regain Energy
Use this phrase when someone needs a break to recover from tiredness or stress. 
She went on a weekend retreat to recharge her batteries.
Pro Tip 2/3Non-literal
This phrase is metaphorical and does not involve actual batteries or charging devices. 
Let’s cancel our plans and stay in tonight to recharge our batteries.
Pro Tip 3/3Figurative Speech
Understand that this phrase is used to express the need for rest imaginatively, like a metaphor. 
After the marathon, I'll need a few days off to recharge my batteries.