Were do you but the batteries in a Nerf havok fire ebf-25?

To install batteries in a Nerf Havok Fire EBF-25, locate the battery compartment, which is usually found on the bottom of the blaster. Use a Phillips screwdriver to remove the screws and open the compartment. Insert six D batteries, ensuring they are oriented correctly according to the markings inside. Once the batteries are in place, close the compartment and secure it with the screws.