Battery packs are constructed from two or more individual cells or batteries

Industrial batteries translate chemical energy into electricity

Rechargeable batteries or secondary batteries contain active materials that can be regenerated by charging.

Disposable primary batteries are replaced once the energy supply is depleted.

Lithium batteries have a lithium anode.

RF receivers are electronic devices that enable a particular radio signal to be separated from all others being received and converted into a format for video, voice, or data.

Ultracapacitors store charges (energy) by physically separating positive and negative charges (unlike batteries which do so chemically).