noun which may take the genitive case particle 'no', noun
high-capacity; large-capacity; high-volume
Describes storage, memory, batteries, tanks, or anything that can hold a large amount. Often used in technical and product descriptions.
このスマートフォンは大容量のバッテリーを搭載している。
This smartphone is equipped with a high-capacity battery.
大容量のデータを保存できる外付けハードディスクを買った。
I bought an external hard drive that can store large amounts of data.