solar battery vs solar array

solar battery and solar array both are nouns.

Word	Noun	Adjective	Verb	Adverb
solar battery	Yes	No	No	No
solar array	Yes	No	No	No

As nouns, solar battery and solar array are synonyms defined as:

solar battery and solar array: electrical device consisting of a large array of connected solar cells

Other synonyms of solar battery include solar panel.

solar battery (noun)	solar array (noun)
electrical device consisting of a large array of connected solar cells	electrical device consisting of a large array of connected solar cells