Power failure prevention computer

The utility model relates to a power failure prevention computer. The side face of a storage battery (3) is connected with rotation shafts II (17); the rotation shafts II (17) are connected with inner rods (18); the top ends of the inner rods (18) are connected with springs (19); the springs (19) are connected with the top surfaces of outer rod grooves (20); the outer rod grooves (20) are formed at the bottom ends of outer rods (21); the inner rods (18) and the springs (19) are mounted in the outer rod grooves (20); the top ends of the outer rods (21) are connected with hooks (22); the hooks (22) are matched with hanging loops (23) for use; and the hanging loops (23) are connected with a left side wall and a right side wall of a computer case (1).