Heavy-Duty Acid-Resistant Power Guard Series 27 Vented Marine Boat Battery Box, Black. When it comes to protecting your Series 27 battery, you can’t beat the Power Guard. It combines acid-proof materials with performance specs that meet or exceed U.S. Coast Guard standards. Vented design with comfortable, rolled-edge handles.  Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.

• Extremely tough; drop-tested in temperatures from -20F to +120F degrees and completely resistant to acid
• Meets ABYC and U.S. Coast Guard standards as an original equipment manufacturer (OEM) battery hold-down system
• Durable straps withstand 350 lbs. of force—nearly 4 times the Coast Guard requirements
• For Series 27 batteries (10-1/2 inch maximum height)
• products are both compatible and reliable, engineered and built with a never-fail attitude