Best Battery Box For RV: Compare 10 Battery Boxes

#1 · Best Overall

1. Camco Double Battery Box

• Size: Double Battery Box

Best for: Dual-battery RV storage.

Why it ranks #1: Holds two 6V GC2 or two 12V Group 24/24M batteries, includes two straps and four clamps, and lists Coast Guard and ABYC compliance.

Capacity for two 6V GC2 batteries or two 12V Group 24/24M batteries is the Camco box’s defining advantage, letting RV owners keep a matched pair within one enclosure. Its corrosion-resilient polymer construction and included securing hardware make it a practical option for a double-battery installation.

The 211⁄2-by-73⁄8-by-11 3/16-inch interior gives buyers concrete dimensions to compare with their battery arrangement before installation. Two straps and four screw-mounted strap clamps are included to secure the box and its contents. The heavy-duty, corrosion-resilient polymer is specified for protection, while the box meets Coast Guard CFR 183.420 and ABYC E-10.7 specifications when used with two 6V Group GC2 batteries. Its double-battery capacity is the key fit consideration.

Skip it if you need a single-battery enclosure; the Camco 55363 Group 24 box is sized for one battery.

For RV owners installing two compatible batteries in one enclosure, the Camco offers a defined double-battery format and included straps. Check the interior dimensions and listed battery groups against your installation before choosing it.

Listed on Amazon as: Camco Double Battery Box – Safely Store RV (& More) Batteries – USA Made

#2 · Broadest Group Fit

2. NOCO BG31 Battery Box

• Weight: 3.3 lb

Best for: Flexible battery-group sizing.

Why it ranks #2: Fits one Group 24, 27, 29, or 31 battery and includes a divider, mounting tray, strap, and screws for flexible single-battery setups.

One enclosure fits 12V Groups 24, 27, 29, or 31, giving the NOCO BG31 room to accommodate several battery sizes. Its included divider keeps smaller batteries snug, while the mounting tray, screws, and hold-down strap give RV owners practical components for securing the box in a trailer or camper.

The stated range of battery groups makes this a flexible choice for RV owners who may use a larger battery size later. The divider helps stabilize a smaller compatible battery inside the box, so the enclosure can serve more than one listed group without leaving the smaller size loose. NOCO also includes a mounting tray, four self-tapping screws, and a 48-inch hold-down strap. The fit is still for one 12V battery, not a dual-battery installation.

Skip it if you need room for two batteries; the Camco 55375 holds two compatible batteries in one box.

The BG31 suits RV owners who want one enclosure across several listed battery groups, including a smaller battery secured by the divider. Check the one-battery capacity and installation dimensions against your setup.

Listed on Amazon as: NOCO Snap-Top BG31 Group 24-31 Battery Box

#3 · Group 31 Fit

3. Camco Large Battery Box

• Voltage: 12 V
• Size: Large Battery Box
• Weight: 2.3 lb

Best for: Group 27–31 terminal clearance.

Why it ranks #3: Accommodates Group 27, 30, and 31 batteries, with 2 inches of additional terminal headroom and included strap, foot clamps, and screws.

An extra two inches of headroom for battery terminals distinguishes this Camco box, which fits Group 27, 30, and 31 batteries. Its lift-off lid and included woven hold-down strap, foot clamps, and stainless steel screws give RV and trailer owners a practical package for containing and securing a single battery.

The interior measures 71⁄4 inches wide by 131⁄4 inches long by 85⁄8 inches tall, with two additional inches of terminal clearance. That clearance can help accommodate battery terminals above the body while the listed group range guides selection. The corrosion-resistant polypropylene box is lightweight, and the lift-off lid offers access to the battery. A woven strap, foot clamps, and stainless steel screws support hold-down installation; the box also meets the stated USCG and ABYC specifications.

Skip it if you need a double-battery enclosure; the Camco 55375 is specified to hold two compatible batteries.

RV and trailer owners with a Group 27, 30, or 31 battery can use its extra terminal clearance and supplied mounting hardware. Check both the interior footprint and height against the battery before installation.

Listed on Amazon as: 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" | (55372)

#4 · Group 27 Pick

4. NOCO BG27 Battery Box

• Voltage: 12 V
• Size: Group 27
• Weight: 3.2 lb

Best for: Snap-top Group 27 RV box.

Why it ranks #4: Provides a specified fit for one Group 27 battery and includes a mounting tray, 48-inch hold-down strap, and four mounting screws.

A snap-top lid paired with a honeycomb-reinforced shell distinguishes the NOCO BG27, which holds one 12V Group 27 battery for an RV, trailer, boat, or off-grid solar setup. The included mounting tray, screws, and hold-down strap give owners components for securing the enclosure during installation.

Its interior measures about 13.2 by 6.9 by 10.5 inches, and the stated fit covers Group 27 automotive, marine, RV, deep-cycle, AGM, or lithium batteries. That broad chemistry and use compatibility helps RV owners choose it for different battery applications without changing the stated group size. The mounting tray, four self-tapping screws, and 48-inch strap support mounting and hold-down, while the snap-top shell protects the battery. It remains a single-battery Group 27 box.

Skip it if you need one box for several battery groups; the NOCO BG31 holds Groups 24, 27, 29, and 31.

Choose the BG27 for a single Group 27 battery in an RV, travel trailer, or solar setup where its mounting components suit the installation. Its capacity is specific to one battery and one group size.

Listed on Amazon as: NOCO Snap-Top BG27 Group 27 Battery Box

#5 · Vented Group 27

5. Attwood 9067-1 Vented Box

• Voltage: 12 V
• Size: Group 27 Series Batteries
• Weight: 2.8 lb

Best for: Vented Group 27 containment.

Why it ranks #5: Fits Group 27 batteries up to 10.5 inches high and includes a 40-inch mounting strap and hardware in a vented design.

Integrated ventilation is the defining feature of Attwood’s Group 27 battery box, allowing hazardous battery gases to escape while the enclosure protects the battery. Its 40-inch mounting strap and hardware support a secured installation for RV or marine batteries, with interior dimensions specified for batteries up to 10.5 inches high.

The 13.06-by-6.9-by-10.5-inch interior is sized for Group 27 batteries, giving RV owners a clear dimensional reference for placement. Polypropylene construction is acid-resistant and impact-tested from -20°F to +120°F, supporting use across the listed outdoor temperature range. The vented design gives gases an escape path, while the included 40-inch strap and hardware help secure the box. Its specific Group 27 fit makes battery size the main selection constraint.

Skip it if you need space for two batteries; the Camco 55375 holds two listed battery groups in one box.

RV owners seeking a vented enclosure for one Group 27 battery can use the specified interior dimensions and included strap to plan installation. It is a focused single-battery choice, so confirm the battery’s group and height.

Listed on Amazon as: Attwood 9067-1 Vented Battery Box with Mounting Strap, Fits Group 27 Series Batteries, Black

#6

6. Camco Group 24 Battery Box

• Voltage: 12 V
• Size: Regular Battery Box
• Weight: 1.32 kg

Best for: Compact Group 24 RV box.

Why it ranks #6: Fits Group 24 batteries and includes a woven hold-down strap, foot clamps, and stainless steel screws; its listed interior dimensions are 7 1⁄4 by 10 3/4 by 8 inches.

A Group 24 fit with two inches of extra headroom for terminals makes the Camco 55363 a practical option for a single RV battery. Its corrosion-resistant polypropylene enclosure includes a lift-off lid, woven hold-down strap, foot clamps, and stainless steel screws for access and securing.

The 71⁄4-by-103⁄4-by-8-inch interior is specified for Group 24 batteries, with two additional inches of headroom for terminals. Those dimensions help owners check the battery and terminal clearance before installation. Lightweight, heavy-duty polypropylene resists corrosion, while the lift-off lid allows access to the enclosed battery. The woven strap, foot clamps, and stainless steel screws provide included securing hardware. Its Group 24 sizing makes it a single-battery choice rather than a box for larger groups.

Skip it if you need one enclosure for Groups 27 through 31; the Camco 55372 lists those battery sizes.

This Camco suits RV owners securing one Group 24 battery who value a lift-off lid and included hold-down hardware. Its listed group size and interior dimensions define the fit, so larger batteries require another option.

Listed on Amazon as: Camco Heavy Duty Group 24 Marine RV Battery Box with Strap, Black, 55363

#7

7. Attwood 9065-1 Vented Box

• Voltage: 12 V
• Size: Group 24 Batteries
• Weight: 2 lb

Best for: Vented Group 24 battery fit.

Why it ranks #7: Offers a vented Group 24 enclosure with interior dimensions of 10.6 by 7 by 10.125 inches and includes a 40-inch strap and mounting hardware.

Attwood’s integrated venting lets hazardous battery gases escape, making this Group 24 enclosure a focused choice for RV owners who need a vented battery box. Its polypropylene body is acid-resistant and impact-tested across a stated temperature range, while the included 40-inch strap and mounting hardware support securing the installation.

The interior measures 10.6 by 7 by 10.125 inches and is specified for Group 24 batteries up to 10.125 inches tall, giving buyers concrete dimensions for checking their setup. Ventilation provides an outlet for hazardous gases, while acid-resistant polypropylene and impact testing from -20°F to +120°F address demanding outdoor conditions. The 40-inch mounting strap and hardware help secure the box. This model is listed for battery chemistries except flooded lead acid, an important compatibility boundary.

Skip it if you use a flooded lead-acid battery; the Camco 55363 is a Group 24 box without this stated chemistry exclusion.

This Attwood suits RV owners with a Group 24 battery who want ventilation and a supplied mounting strap. Its listed chemistry exclusion matters: choose another enclosure if your battery is flooded lead acid.

Listed on Amazon as: Attwood Group 24 Vented Marine Battery Box

#8

8. Attwood 9069-1 Non-Vented Box

• Voltage: 12 V
• Size: Group 24 Batteries
• Weight: 2 lb

Best for: Enclosed Group 24 battery protection.

Why it ranks #8: Fits Group 24 batteries and includes a 40-inch strap and hardware; its non-vented lid is described as shielding terminals from moisture and debris.

A non-vented lid that shields terminals from moisture and debris is the defining feature of Attwood’s Group 24 battery box. Its acid-resistant polypropylene body is impact-tested from -20°F to +120°F, while the supplied 40-inch mounting strap and hardware support a secured RV or marine installation.

The 10.6-by-7-by-10.125-inch interior is specified for Group 24 batteries up to 10.125 inches tall, helping buyers check the fit for their RV setup. The enclosed non-vented lid protects terminals from moisture and debris, a useful distinction when that enclosure style suits the installation. Acid-resistant polypropylene and impact testing from -20°F to +120°F address outdoor use, while the 40-inch strap and hardware support mounting. The listing excludes flooded lead-acid chemistry, which narrows compatibility.

Skip it if you need a vented enclosure; the Attwood 9065-1 Group 24 box includes integrated ventilation.

RV owners with a compatible Group 24 battery can choose this model when an enclosed, non-vented lid fits their installation. Its flooded lead-acid exclusion is an important boundary to check before selecting it.

Listed on Amazon as: Attwood 9069-1 Standard Non-Vented Battery Box with Mounting Strap, Fits Group 24 Batteries, Black

#9

9. Peastorm Steel Dual Box

• Size: Double battery series (black)

Best for: Lockable steel dual-battery setup.

Why it ranks #9: Designed for a double-battery series setup, with steel construction, a locking cover, and reserved fixing holes; detailed internal dimensions are not supplied.

A steel enclosure with a lockable upper cover sets this Peastorm box apart for RV owners seeking a dual-battery relocation setup. Handles on both sides support handling, while rubber-ring-protected openings and bottom fixing holes with included screws provide specific installation details for routing and securing the box.

The box is described for a double-battery series, making it relevant to RV owners planning a paired-battery arrangement rather than a single-battery enclosure. Its steel construction has a black spray coating, and the listing describes it as waterproof, sunscreen, and fireproof. A supplied lock works with the lockable upper cover, while rubber rings protect the reserved holes and included screws support fixing through the bottom holes. Battery dimensions and group compatibility are not specified in the supplied details.

Skip it if you need stated Group 24 dimensions; the Camco 55363 lists its interior measurements and battery group.

This Peastorm box suits RV owners planning a dual-battery relocation and wanting steel construction, handles, and a lockable cover. The supplied details do not give battery group dimensions, so that uncertainty is a key fit boundary.

Listed on Amazon as: Peastorm Trailer RV Marine Battery Box – 12V Waterproof Steel Dual Battery Relocation Kit for Boat, Trolling Motor, Kayak (Double Battery Box Black)

#10

10. Sidasu Stainless Dual Box

• Weight: 11 lb

Best for: Stainless dual-battery storage.

Why it ranks #10: Its listed interior dimensions are 21.7 by 8 by 11 inches, but the description excludes several oversized battery types and gives limited mounting details.

Stainless steel construction and space for a dual-battery arrangement define this Sidasu enclosure for RV or marine storage. Its listed interior dimensions are 21.7 by 8 by 11 inches, providing a concrete reference for checking battery fit, while the product’s stated exclusions identify sizes that will not fit.

The 21.7-by-8-by-11-inch internal dimensions give RV owners a basis for comparing the box with their intended battery arrangement before installation. The listing identifies it as dual-battery storage and describes the material as stainless steel, making the enclosure’s format and construction its key selection points. However, it excludes extra-large batteries such as 4D, 8D, Wide 31, and Wide 65, as well as batteries wider than 8 inches or taller than 11 inches. Those limits make measurement essential.

Skip it if you have a battery over 8 inches wide or 11 inches tall; the Camco 55375 has a different listed interior fit.

This Sidasu box suits RV owners seeking stainless dual-battery storage whose batteries fit the stated interior limits. Its exclusions for oversized and wide batteries are central to the decision, so measure the intended setup.

Listed on Amazon as: Stainless Steel Dual Battery Box 12V Waterproof Marine Battery Storage