An electronic device that make use of a battery as its main power source is: A. Smartphone.
A power source refer to the source of electrical energy that is used to power an electronic device.
Generally, a power source is classified into two (2) main categories and these include:
- Alternating current (AC): it uses electricity generated from sources such as hydropower. Also, it is used for desktop computer, server laptop, gaming console, etc.
- Direct current (DC): it is typically generated from battery cells. Also, it is used for smartphones.
In conclusion, a smartphone make use of a battery as its main power source.
Read more on smartphone here: https://brainly.com/question/4922532
