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Black rectangular battery box with reinforced handles and ventilation holes for group U1 battery

Mighty Max Battery

Mighty Max Battery MAX3476863 Group U1 Battery Box

SKU CH-41G9-CYXEB

Heavy-duty Group U1 battery box collects acid, ventilates gases, locks the lid and resists impact to −20 °F, acid, oil and UV

  • Designed for Group U1 batteries, fits single battery securely
  • Impact resistant down to -20 degrees Fahrenheit, rugged durability
  • Collects battery acid effectively, prevents leaks and corrosion
  • Meets USCG 183.420 standards, certified for marine use
  • Reinforced handles prevent cracking, safe relocation and transport

Mighty Max Battery Group U1 Box

This battery box is built for a single Group U1 battery in automotive, marine, lawn and garden applications. It secures the battery while providing acid collection and ventilation. The design suits owners who need a rugged enclosure for one U1 unit. It is not for buyers who want to house multiple batteries or a different group size.

Heavy-Duty Construction and Compliance

The box meets United States Coast Guard USCG Code of Federal Regulations 183.420 and American Boat and Yacht Council standards. Impact resistance is rated down to -20 degrees Fahrenheit. It withstands acid, gas, oil and other contaminants while remaining immune to UV exposure.

Sustained Environmental Protection

Reinforced handles prevent cracking during relocation and ventilation holes release battery gases continuously. The enclosure limits water entry and effectively collects acid over long periods. It protects against accidental terminal contact throughout extended use in rugged environments.

Highlights

  • Designed for Group U1 batteries, fits single battery securely
  • Impact resistant down to -20 degrees Fahrenheit, rugged durability
  • Collects battery acid effectively, prevents leaks and corrosion
  • Meets USCG 183.420 standards, certified for marine use
  • Reinforced handles prevent cracking, safe relocation and transport

Specifications

BrandMIGHTY MAX BATTERY

Questions about this item

What does the Group U1 designation mean for the battery box in a real installation?

It means the box is sized to hold a single Group U1 battery, securing it against movement and protecting the terminals from accidental contact.

Which standards does the box meet, and what do they cap in practice?

It meets USCG Code of Federal Regulations 183.420 and ABYC requirements, certifying it for marine use and confirming acid containment, ventilation and impact resistance down to -20 degrees Fahrenheit.

What does the box physically need to fit or mount in a vehicle or boat?

The compact design includes reinforced handles for relocation and a locking lid; it requires space for a Group U1 battery footprint and clearance for the ventilation holes.

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