Because the game does not feature battery backup, the player is given passwords at the beginning of each new stage.

Introduced in the late 80s, it is capable of battery backup.

Statistics for each character are held in the game's battery backup and the game functions almost like a perpetual world.

He turned on the portable television, which had a battery backup.

But due to scheduled training, the check was not performed, and one plant went on battery backup.

In 1984 it was converted to solar power, with battery backup.

Christ, I hope they've got some sort of battery backup!

In addition, it can run on battery backup if power fails.

The game featured a battery backup to allow players to continue their games from a previously saved point.

The new systems have a battery backup, he said.