PC in Rollercoin will have the period that it can hold power from minigame according to its level.
At level 1, it will hold for only 24 hours (1 day). If you win 10 minigames it will goes up to level 2.
At level 2 it will hold power for 72 hours (3 days) If you win 30 minigames it will goes up to level 3.
At level 3 it will hold power for 120 hours (5 days) If you win 50 minigames it will goes up to level 4.
At level 4 it will hold power for 168 hours (7 days) This is the max level of the PC.
You must play at least one game in 24 hour to keep the level of PC or it will drop.