It's not a battery operated calculator. It runs on sunlight.
This calculator doesn't take batteries, it's solar powered.
ーIt's not a battery operated calculator. It runs on sunlight.
「それは電池式の電卓じゃないよ。太陽の光で動くんだよ。」
battery operated で「電池式の・バッテリーで動く」
calculator「電卓・計算機」
run on sunlight で「太陽の光で動く」
ーThis calculator doesn't take batteries, it's solar-powered.
「この電卓は電池がいらないんだよ、太陽電池なの。」
doesn't take batteries で「電池を必要としない・電池がいらない」
solar-powered で「太陽電池式の」
ご参考まで!