Today's Parola del Giorno is the noun il caricatore, which means charger (coming from the verb caricare, which means to charge). It refers to any device that can charge a battery.
See the noun used below:
La batteria di questi smartphone non dura niente. Devo attaccare il telefono al caricatore almeno due volte al giorno se non voglio che la batteria si scarichi completamente!
This smartphone's battery does not last at all. I have plug the phone into the charger at least two times a day if I don't want to the battery to be completely drained.
Other useful vocabulary:
These words below are a bit more specific and useful if you are shopping for these items while you are traveling. Il caricatore is a general word for charger.
il cavo charge cable
l'alimentatore adapter