ニッケルカドミウムバッテリでしょう
nikkerukadomiumubatterideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ニッケルカドミウムバッテリ

1. Nickel-cadmium battery, probably.; It's likely a nickel-cadmium battery.

Polite
Presumptive
Conjecture
Computing