noun which may take the genitive case particle 'no', noun
used; spent
Describes something that has already been used and is no longer in its original state, such as tickets, stamps, fuel, or batteries. Often used in compound phrases like 使用済み切手 (used stamp) or 使用済み核燃料 (spent nuclear fuel).
使用済みの切手を集めています。
I collect used stamps.
使用済みの電
Please recycle spent batteries.