PowerGuard PRO Battery BoxExperience the difference between PowerGuard PRO Series Battery Protection Upward-facing vents let gases out while reducing water in-take by 94% - vs. PowerGuard 27 Series Polypropylene composite material is impervious to acid leaks and other external factors Engineered spill channels direct water away from the battery With PowerGuard PRO, the battery is always within reach Folding entry panels provide easy access to the battery terminals without the need to remove the mounting strap A versatile bidirectional design allows contact from any angle Ergonomic handles provide more comfort when transporting the battery PowerGuard PRO takes security seriously Reinforced mounting hardware ensures the battery and box stay anchored Spacer blocks are removable to fit Group 24, 27, and 31 batteries The snap-locking lid gives confidence that the battery will remain secure Specifications: Dimensions with Lid Installed - Internal Dimensions (L x W x H): 13-1/8" x 7" x 11" Outside Dimensions (L x W x H): 21" x 11-1/4" x 11-1/2" Color/Style: Black/Vented Quick Guide (pdf)