Japanese phrase
___は何時間まで使えますか？ ___ wa nan ji kan ma de tsuka e ma su ka
Meaning
How many hours can ___ be used?
When to use it
Asks how long an item can be used. It is a polite way to check a usage limit in places such as rental services or public facilities.
Example dialogue
この充電器は何時間まで使えますか？ ko no jū den ki wa nan ji kan ma de tsuka e ma su ka
How many hours can this charger be used?
八時間まで使えます。 hachi ji kan ma de tsuka e ma su
It can be used for up to eight hours.