Noun
a device that can hold a rechargeable battery by means of an electrical cable
Source: WordNetBut the tech forgot to install the battery charger receptacle. Source: Internet
The Anker PowerCore Slim, as the name suggests, is a thin, sleek, and ultra portable battery charger. Source: Internet
I use this when I have to bring my battery charger or charging something more than my phone. Source: Internet
You can also have a battery backup system that can run the pump and the battery could be connected to a solar battery charger. Source: Internet