Having a large capacity; able to hold or store a large amount (e.g., data, battery charge). Often used in the form "large-capacity ~."
スマホは大容量バッテリーを搭載しているので、一日中使っても充電が持つ。
The smartphone has a large-capacity battery, so it lasts all day even with heavy use.
この外付けハードディスクは大容量で、映画を何百本も保存できる。
This external hard drive is high-capacity and can store hundreds of movies.
定期的に大容量のバックアップを取っておけば、トラブル時に安心だ。
If you take regular large-capacity backups, you'll be safe in case of problems.
大容量パッケージの洗剤は経済的だが、置き場所に注意が必要だ。
Large-capacity detergent packages are economical, but you need to watch where you store them.