Here are some other terms you might see:

* Generator: This specifically refers to a device that converts mechanical energy into electrical energy.

* Battery: This stores chemical energy and converts it into electrical energy.

* Power supply: This is a general term for any device that provides electrical energy, including generators, batteries, and adapters.

* Electrical source: This is a broader term that encompasses any source of electrical energy, including power plants, solar panels, and wind turbines.

The most appropriate term depends on the specific context.