ニッケル水素 すいそ電池 でんちじゃなかったです
nikkerusuisodenchijanakattadesu

Noun
Desu Copula

The polite, past negative form of ニッケル水素電池

1. Wasn't a nickel-metal hydride battery.

Past/Perfective
Negative
Polite
Casual Register
Computing