NOCO BT31S Group 31 Battery Tray for Marine, RV, Camper & Trailer

Rugged, ready-to-mount battery tray for Group 31 batteries

The NOCO BT31S Battery Tray is engineered for tough, on-the-road and on-the-water use. Designed to accommodate a single Group 31 battery, this tray blends robust materials with precise fit to keep your power source secure in marine, RV, camper, and trailer applications. Expect straightforward installation, dependable stability, and a construction that stands up to demanding environments while you focus on your next destination.

Key capabilities include a weather-ready hold-down system and materials chosen for longevity. The tray is built to resist common power-related disturbances, helping to maintain battery position during movement and operation. With thoughtful design, it also aims to reduce maintenance time and simplify routine checks for power readiness, letting you rely on your battery when you need it most.

Core features at a glance

• Rugged tray designed specifically for group 31 batteries used in marine, RV, camper, and trailer setups.
• Heavy-duty 42-inch hold-down strap featuring water-resistant nylon webbing, capable of withstanding over 120 kilograms of tensile force.
• Engineered for cold climates, maintaining performance down to minus 20 degrees Fahrenheit.
• Resistant to acid, gas, oil, and other common contaminants; UV exposure does not compromise the tray’s integrity.
• Keeps the battery securely mounted and minimizes movement during transport and operation.
• USCG CFR 183.420 and ABYC E-10.7 compliant, with frustration-free packaging for easier handling and setup.

Why it matters in real life

Whether you’re cruising coastal waters, camping off-grid, or hitting the open highway, the BT31S helps you keep power where it belongs. The combination of a sturdy hold-down strap and a rugged tray design translates to quieter, steadier performance under vibration and motion, reducing the need for frequent re-tightening and inspection.

Real-world scenarios where this tray shines include a boat bow cockpit, a motorhome engine compartment, or a camper storage bay where space is at a premium. The ability to secure a single Group 31 battery with a purpose-built tray means fewer loose components, more predictable battery behavior, and a streamlined setup process for new builds or upgrades.

What to expect during installation

• Designed for use with a single Group 31 battery, simplifying compatibility concerns.
• Includes a 42-inch hold-down strap to lock the battery in place with confident stability.
• Rugged, weather-ready construction intended for marine environments and outdoor use.
• Frustration-free packaging to help with quick, tool-friendly installation.

In short, the BT31S offers a durable mounting solution that aligns with common marine and RV power setups, without overselling performance. It presents a practical option for reliable battery mounting and protection, especially when moving between rough waters or off-road routes.