C810 Ground-effect Vehicle
A Light Arris Tank not only could sustain a full day of battle after it was filled, once its energy was exhausted, it only needed to return and continue replenishing its Blue Crystal.
The time it took to replenish the Blue Crystal was around half a quarter of an hour. In other words, the Light Arris Tank would only need to be separated by half a quarter of an hour to be able to continue fighting