ニッケルカドミウム電池 でんちでしょう
nikkerukadomiumudenchideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ニッケルカドミウム電池

1. Nickel-cadmium battery, likely.; Probably a nickel-cadmium battery.

Polite
Presumptive
Conjecture