ニッケルカドミウム電池 でんちじゃなかったです
nikkerukadomiumudenchijanakattadesu

Noun
Desu Copula

The polite, past negative form of ニッケルカドミウム電池

1. Wasn't a nickel-cadmium battery.

Past/Perfective
Negative
Polite
Casual Register