ニッケルカドミウムバッテリじゃなかったです
nikkerukadomiumubatterijanakattadesu

Noun
Desu Copula

The polite, past negative form of ニッケルカドミウムバッテリ

1. Wasn't a nickel-cadmium battery.

Past/Perfective
Negative
Polite
Casual Register
Computing