Best Battery Boxes for RVs: Durable, Safe Storage Solutions
Finding a reliable battery box is essential for RV owners who want to keep their batteries organized, secure, and protected from the elements. The right box can shield against corrosion, reduce movement, and simplify maintenance during long trips. Below are five highly compatible options from trusted brands designed to fit common RV battery sizes, with features tailored for harsh environments and easy installation.
| Product | Brand | Key Features |
|---|---|---|
| Camco Double Battery Box (55375) | Camco | Holds two 6V GC2 or two 12V Group 24/24M; heavy-duty corrosion-resilient polymer; inner dimensions 21.5″ x 7.375″ x 11.187″ |
| NOCO Snap-Top BG31 Battery Box | NOCO | Fits Group 24-31 batteries; rigid snap-top design; easy direct mounting with pre-drilled holes and strap mount option |
| Camco Large Battery Box (55373) | Camco | Group 27, 30, 31 compatible; includes lid, hold-down strap, clamps; lightweight, corrosion-resistant |
| NOCO Snap-Top BG27 Battery Box | NOCO | Fits Group 27 batteries; rugged, heavy-duty design; simplified installation with pilot holes and strap mounting |
| Attwood 9067-1 Vented Battery Box | Attwood | Designed for Group 27; vented PP construction; internal dimensions 13-1/16″ x 6-15/16″ x 10-1/2″; includes mounting strap |
Introduction note: The following sections highlight five top options, detailing compatibility, construction, and installation considerations to help RV owners select the best box for their battery setup and cargo space.
Camco Double Battery Box 55375
The Camco Double Battery Box is built to safely store two batteries for RVs, boats, or automotive use. Its heavy-duty corrosion-resilient polymer construction helps resist chemical exposure and outdoor elements, making it suitable for road trips or marine use. Inner dimensions accommodate two 6V GC2 batteries or two 12V Group 24/24M batteries, providing flexible configurations for a variety of RV power setups. The design emphasizes safety with a sturdy enclosure that minimizes movement and protects connections from debris and moisture. Ideal for users seeking a robust, weather-resistant solution that fits common dual-battery arrangements without adding excessive weight.
NOCO Snap-Top BG31 Battery Box
NOCO’s Snap-Top BG31 emphasizes rigidity and ease of installation for Group 24-31 batteries, including automotive, marine, RV, and travel trailer applications. The box features a robust snap-top design and simplified mounting with pre-drilled internal pilot holes for direct installation. It also supports an enhanced strap-mount system for more demanding setups. This model stands out for installations where quick access and a tidy, secure enclosure are priorities, while maintaining compatibility with a wide range of battery types and sizes.
NOCO Snap-Top BG27 Battery Box
NOCO’s BG27 version targets Group 27 batteries, offering a rugged, heavy-duty design similar to other Snap-Top models. It is built for use in marine, automotive, RV, boat, and travel trailer environments. Installation is designed to be straightforward, with pre-drilled pilot holes for direct mounting and an integrated strap-mount system for additional stability in rugged setups. This box is a good match for users who need a compact yet durable enclosure for larger RV batteries and related equipment.
Camco Large Battery Box 55373
The Camco Large Battery Box (55373) is designed to accommodate larger group sizes (27, 30, 31) with a lift-off lid and stainless hardware for secure mounting. It is described as lightweight yet durable, built from corrosion-resistant polypropylene. This model emphasizes ease of use with included hold-down straps and clamps, making it suitable for RVs that require a stable, weather-resistant enclosure for heavier deep-cycle batteries or multiple units. Affordable and practical for space-conscious RV configurations.
Attwood 9067-1 Vented Battery Box
The Attwood 9067-1 is a vented battery box designed to safely hold Group 27 batteries while allowing gas venting to minimize pressure buildup. Its polypropylene construction offers resistance to acids and environmental stress, with internal dimensions sized to fit 13-1/16″ L × 6-15/16″ W × 10-1/2″ H batteries. The vented design reduces the risk of gas accumulation and improves overall safety during charging and operation. Mounting strap comes included for added stability in RV installations.
Buying Guide
- Battery type and size compatibility: Ensure the box fits your battery group (e.g., Group 24, 27, 31) and whether you need space for two batteries or a single larger unit.
- Material and durability: Look for corrosion-resistant polymers or steel with protective coatings to withstand outdoors, humidity, and chemical exposure.
- Ventilation and gas management: Vented boxes help discharge hydrogen or other gases, reducing risk in enclosed compartments. Consider a vented design if batteries are enclosed in tight spaces.
- Security and protection: Lift-off lids, locking options, and sturdy mounting hardware minimize theft, accidental displacement, and moisture intrusion.
- Ease of installation: Pre-drilled holes, clear mounting points, and strap-ready designs simplify setup, especially for DIY RV enthusiasts.
- Weight and portability: Heavier boxes can affect RV weight balance; choose materials and sizes appropriate for your vehicle and storage area.
- Maintenance and accessibility: Removable lids and easy cable access reduce maintenance time and improve wiring safety.
- Cost vs. value: Higher-priced boxes often offer enhanced durability or better ventilation; weigh long-term reliability against upfront cost.