March 21, 2026
10 Best Dual Battery Box For Rv of 2026
Last Updated - March 21, 2026
|
Up to 0% off
1
Our Rankings
Camco
Clicked 397 times in the last week
Camco Double Battery Box - Safely Stores RV, Automotive, and Marine Batteries - Features a Heavy-Duty Corrosion-Resilient Polymer Construction and Measures Inside 21-1/2" x 7-3/8" x 11-3/16" (55375)
View Deal on:
View Deal
Why We Love It
- Box Holds: (2) 6V Group GC2 batteries or (2) 12V Group 24/24M batteries
- Inner Dimensions: 21 ½-inches (L) x 7 3/8-inches (W) x 11 3/16-inches (H)
- Safe and Durable Construction: Made of a heavy-duty, corrosion-resilient polymer to keep batteries safe
- Includes: (2) straps and (4) strap clamps with screws
- Meets U.S. Coast Guard Specifications: Meets U.S. Coast Guard CFR 183.420 and ABYC E-10.7 specifications when used with (2) 6V Group GC2 batteries
2
Our Rankings
peastorm
Peastorm Trailer RV Marine Battery Box - 12V Waterproof Steel Dual Battery Relocation Kit for Boat, Trolling Motor, Kayak (Double Battery Box Black)
View Deal on:
View Deal
Main Highlights
- Material- Heavy duty battery box is made of quality steel material, surface spray black coating, sturdy and durable, waterproof and sunscreen, fireproof.
- Exclusive Design- Handles on both sides; The upper cover can be locked (send a lock); Multiple reserved holes are protected by rubber rings; Reserved fixing holes at the bottom (with screws included)
- Appearance Patent Design- Designed for double battery series. Suitable for car, marine, RV, trailers, camping, etc.
- Size- Maximum Capacity Size: 22" L x 8.5" W" x 11.5" H (Inch); Box External Size: 22.25 L x 8.7 W x 11.75 H (Inch). Please measure the size of the battery before purchasing.
- Packing List- 1 x steel battery box, 4 x rubber rings, 4 × screws, 1 x lock.
3
Our Rankings
Sidasu
Stainless Steel Dual Battery Box, 12V Car/RV/Marine Battery Box, Black Batteries Relocation Kit for Trailer, Boat, Trolling Motor
View Deal on:
View Deal
Main Highlights
- Premium Stainless Steel Construction - Crafted from high-quality stainless steel, this dual battery box is built to last. Its sturdy design is both waterproof and sunproof, with added fireproof protection. The black anti-rust paint coating enhances its corrosion resistance
- Waterproof Top Cover - This double battery box features an innovative top cover design that effectively prevents moisture ingress, safeguarding internal battery components from water damage. The recessed base design maintains clearance between the enclosure and the ground, providing additional protection for the batteries
- Thoughtful Details - Featuring convenient handrails for easy handling, a rubber ring to prevent conductivity, and detachable non-slip feet, this battery box is designed with user convenience and safety in mind
- Wide Compatibility - Designed specifically for 12V batteries (dual batteries), this stainless steel battery box is suitable for trailers, boats, and outboard motors. Securely mounts with screws and features adjustable mounting hardware for flexible installation in various environments
- Dimensions - The battery box internal dimensions are 22' L × 8.5' W × 11.5' H, with external dimensions of 22.25' L × 8.7' W × 11.75' H, providing ample storage space for your battery needs. Please measure your battery dimensions before purchasing.
4
Our Rankings
Generic
Camco 55374 Double End-to-End Battery Box – Fits Two 6V GC2 or 12V Group 24/24M Batteries – Heavy-Duty Corrosion-Resistant Polypropylene – Includes Straps & Clamps – Free Limited Warranty
View Deal on:
View Deal
Main Highlights
- Dual Battery Capacity: Accommodates two 6V GC2 or two 12V Group 24/24M batteries for versatile power storage.
- Durable Construction: Made from heavy-duty, corrosion-resistant polypropylene to withstand harsh environments.
- Vented Design: Ensures proper ventilation for battery safety and longevity.
- Secure Installation: Includes two straps and four strap clamps with screws for stable mounting.
- Compliance Standards: Meets U.S. Coast Guard CFR 183.420 and ABYC E-10.7 specifications when used with two 6V GC2 batteries.
- FREE Limited Warranty Included: Comes with a FREE limited 1-year manufacturer warranty for added peace of mind.
- Manufacturer Warranty Disclaimer: All warranties are through the manufacturer and are at their discretion.
5
Our Rankings
peastorm
Peastorm Trailer RV Marine Battery Box - 12V Waterproof Stainless Steel Dual Battery Relocation Kit for Boat, Trolling Motor, Kayak (Double Battery Box)
View Deal on:
View Deal
Main Highlights
- Material- Heavy duty battery box is made of stainless steel metal material, sturdy and durable, waterproof and sunscreen, fireproof.
- Exclusive Design- Handles on both sides; The upper cover can be locked (send a lock); Multiple reserved holes are protected by rubber rings; Reserved fixing holes at the bottom (with screws included)
- Appearance Patent Design- Designed for double battery series. Suitable for car, marine, RV, trailers, camping, etc.
- Size- Maximum Capacity Size: 22" L x 8.5" W" x 11.5" H (Inch); Box External Size: 22.25 L x 8.7 W x 11.75 H (Inch). Please measure the size of the battery before purchasing.
- Packing List- 1 x stainless steel battery box, 4 x rubber rings, 4 × screws, 1 x lock.
See Today's Deals Prices6
Our Rankings
Camco
Camco Side-by-Side Double Battery Box | Features Vented Design to Expel Hazardous Gases & Holds (2) Group 24 Batteries | RV Accessories Include Battery Box, Hose, Louvered Vent Grill & More (55385)
View Deal on:
View Deal
Main Highlights
- RV BATTERY BOX: Camcos battery box protects your RV batteries from collisions and contaminants. This Camco RV accessory holds (2) group 24 batteries. This product is an RV must-have. Its great for motorhomes, travel trailers, toy haulers, 5th wheels, and more.
- VENTED DESIGN: This RV accessory has a vented design that expels hazardous gases, allowing you to safely store your batteries within storage compartments.
- WHATS INCLUDED IN THIS MOTORHOME ACCESSORY: It comes with (1) battery box, (1) hose, (1) hose mount plate, (1) louvered vent grill, foam tape, and mounting/installation hardware.
- MEASUREMENTS: The battery box measures 18 1/8-inches (L) x 14 5/8-inches (W) x 14-inches (H) (including ports) & 18 1/8-inches (L) x 14 5/8-inches (W) x 12 1/2-inches (H) (excluding ports).
- DURABLE CONSTRUCTION: This product is made of durable polymer constructionproviding a safe RV organization and storage solution for your batteries.
7
Our Rankings
AUFUNIU
AUFUNIU Steel Battery Box for Car, RV, Marine & Trolling Motor – Dual Battery Relocation Kit with Lock and Sealing Gaskets
View Deal on:
View Deal
Main Highlights
- Carefully Selected Materials: The battery box is made from premium steel with a rust-resistant coating on the surface, enhancing its corrosion resistance and ensuring long-lasting durability.
- Wide Compatibility: The external dimensions of this product are 565mm x 302mm x 222mm, and the internal usable dimensions are 550mm x 280mm x 204mm. Please confirm your battery size before purchasing.
- Battery Relocation Kit: Comes with all necessary accessories for battery relocation, including locks and sealing gaskets, ensuring the battery is securely fixed and protected from water and dust.
- Convenient Handling: Equipped with handle designs for easy transportation and installation, making it convenient for both daily use and storage.
- Sturdy Design: The lockable top cover prevents accidental opening of the battery box, enhancing safety.
8
Our Rankings
Camco
Camco Large Battery Box with Straps and Hardware - Group 27, 30, 31 |Safely Stores RV, Automotive, and Marine Batteries | Measures Inside 7-1/4" x 13-1/4" x 8-5/8" | (55373), Black
View Deal on:
View Deal
Main Highlights
- Includes lift-off lid, durable woven hold-down strap, foot clamps and stainless steel screws
- Lightweight, heavy-duty corrosion-resistant polypropylene box
- Fits group size 27, 30 and 31 batteries
- Inside dimensions = 7 ¼ Wide X 13 ¼ Long X 8 5/8 Tall with 2 additional head room for battery terminals
- Meets USCG CFR 183. 420 and ABYC E-10. 7 specifications
9
Our Rankings
NOCO
NOCO Snap-Top BG31 Battery Box, Group 24-31 12V Battery Box for Marine, Automotive, RV, Boat, Camper and Travel Trailer Batteries
View Deal on:
View Deal
Main Highlights
- Introducing the All-New SnapTop Battery Box - Similar to the HM318BK, only better. We reimagined our battery boxes to make them structurally more rigid, perfecting the snap-top design and simplifying installation like never before.
- Fits Group 24-31 Batteries - A rugged and heavy-duty design for Group 24-31 batteries, including 12-volt automotive, marine, RV, deep-cycle, and lithium-ion batteries, including cars, boats, campers, travel trailers, trolling motors, pontoons, and more.
- Simplified Installation - Installing our battery boxes has never been easier. Utilize the pre-drilled internal pilot holes for direct mounting without a battery strap. Or the all-new strap mount system for more rugged and demanding installations.
- Ultimate Battery Protection - A reinforced design with a honeycomb lattice structure makes it one of the most rugged battery boxes ever designed, with impact resistance down to -20ºF (-28ºC) and resistance to acid, gas, UV, and oil.
- Maximum Versatility - Experience more ways to route your battery cables - front and sides - with enhanced cable entry ports for improved cable routing from multiple directions, plus optional ventilation holes for additional airflow.
- What's Included - BG31 Group 24-31 Snap-Top Marine Battery Box, Battery Divider, 48-Inch Battery Hold-Down Strap, Battery Mounting Tray, (4) #8x1-Inch Self-Tapping Screws, and meets USCG 183.420, ABYC E-10.7 specifications.
10
Our Rankings
Camco
Camco 55370 Vented RV/Marine Battery Box, Double Side-by-Side - Protects Your RV or Marine Battery from Collisions and Contaminants - Holds (2) Group 24 Batteries, Black
View Deal on:
View Deal
Main Highlights
- Protects Your RV/Marine Battery: Protects your RV/marine battery against collisions and contaminants; Box Holds: (2) group 24 batteries
- Compatibility: Compatible with 3/8-inch ring terminals on battery cables
- Vented Design: Expels hazardous gases, allowing you to safely store your battery in storage compartments; Features: A positive and negative battery terminal with 3/8-inch studs
- Includes: (1) battery box, (2) battery terminals, (1) hose, (1) hose mount plate, (1) louvered vent grille, foam tape, putty tape, (2) hose clamps, and mounting hardware
- Measurements: 17 5/8-inches x 15 ½-inches x 13 7/8-inches (including vent ports); 17 5/8-inches x 15 ½-inches x 11 7/8-inches (excluding vent ports); Durable Construction: Constructed of a durable polymer
- Meets U.S. Coast Guard Specifications: Meets U.S. Coast Guard CFR 183.420 and ABYC E-10.7 specifications