Recharge (verb)

1. To replenish a battery's power.
2. To revive one's energy or spirits.
3. To fill again with something, such as a liquid or gas.

Origin:

Re- + charge, from old french charger 'to load'.

Examples:

1. I need to recharge my phone before we leave for the trip.
2. After a long day at work, I like to relax and recharge with a good book.
3. Don't forget to recharge the fire extinguisher after using it.