Dual 6 Volt Battery Box Full Flow Vented Polyethylene – NOCO HM426

This new Dual 6 Volt Battery Box HM426 is a heavy-duty commercial-grade battery enclosure designed to safely house two 6-volt batteries in RV, marine, and off-grid power applications. Manufactured by NOCO, this battery box is rotationally molded from high-quality low-density polyethylene, delivering exceptional durability and long-term resistance to harsh environmental conditions.

Engineered for extreme climates, the NOCO HM426 maintains impact resistance down to -40°F (-40°C). Its full-flow ventilation system, large electrolyte reservoir, and oversized cable entry holes ensure safe operation, proper airflow, and easy installation in demanding applications.

Featuring a captive lid with a four-corner fastening system and brass-inserted star knobs, this dual battery box provides secure containment, chemical resistance, and professional-grade reliability.

Key Specifications

• Manufacturer Part Number: HM426

• Battery Compatibility: Dual 6 Volt Batteries

• Battery Quantity: 2

• Material: Low-density polyethylene

• Color: Black

• Finish: Matte

• Vented: Yes (full-flow ventilation)

Dimensions

• Inside Dimensions: 14-5/8" Length x 10-1/2" Width x 11-1/2" Height

• External Dimensions: 17-15/16" Length x 14-5/16" Width x 14" Height

Features & Benefits

• Rotationally molded polyethylene construction for superior strength

• Impact resistant down to -40°F (-40°C)

• Full-flow ventilation system for safe battery operation

• Large cable entry holes for easy routing

• Large electrolyte reservoir enhances safety

• Four-corner fastening system with captive lid for secure containment

• Brass-inserted star knobs for durability and corrosion resistance

• Resistant to acid, gasoline, oil, salt, chemicals, and UV exposure

• Easy installation in mobile and stationary environments

Applications

• RV and motorhome battery compartments

• Marine battery storage

• Off-grid power systems

• Commercial and industrial battery installations

Warranty & Notes

• Limited 1-Year Manufacturer Warranty

• Manufacturer: NOCO