Group 27 Snap-Top Battery Box Vented – NOCO BG27 (HM327BKS)

This new Group 27 Snap-Top Battery Box BG27 (HM327BKS) is a rugged, fully ventilated battery enclosure designed to safely house a single Group 27 automotive, marine, or RV battery. Manufactured by NOCO, this heavy-duty battery box is constructed from reinforced, UV-resistant plastic and engineered to withstand extreme environments, including impacts down to -20°F.

The snap-top lid features locking tabs that securely fasten the cover to the base, while reinforced carrying handles reduce stress and cracking during battery transport. Its full-flow ventilation system safely releases battery gases and captures spilled electrolyte, making it suitable for enclosed or mobile installations.

Certified to U.S. Coast Guard CFR 183.420 and ABYC E-10.7 standards, the NOCO BG27 battery box is an ideal solution for automotive, RV, marine, and generator applications requiring safety, durability, and compliance.

Key Specifications

• Manufacturer Part Number: BG27

• Alternate Model: HM327BKS

• Battery Compatibility: Group 27

• Battery Quantity: 1

• Material: Reinforced plastic

• Color: Black

• Finish: Matte

• Vented: Yes (fully ventilated)

• Marine Rated: Yes

• Includes Hold-Down: No

• Includes Cable: No

Dimensions

• Inside Dimensions: 13-3/16" Length x 7-3/16" Width x 10-1/8" Height

• External Dimensions: 16-15/16" Length x 9-13/16" Width x 11-1/2" Height

Features & Benefits

• Snap-top lid with locking tabs secures the cover to the battery case

• Fully ventilated design safely releases battery gases

• Reinforced plastic construction resists impact, UV exposure, oil, gas, and contaminants

• Maintains impact resistance down to -20°F

• Heavy-duty integrated carrying handles reduce cracking during transport

• Spill-resistant electrolyte reservoir safely captures leaked battery acid

• Meets U.S. Coast Guard CFR 183.420 and ABYC E-10.7 standards

• Made in the USA

Included Components

• Battery box with snap-top lid

• 42-inch battery box strap

Applications

• Automotive battery installations

• RV and motorhome battery compartments

• Marine battery storage

• Campers, trailers, and caravans

• Generator equipment

Warranty & Notes

• Limited 1-Year Manufacturer Warranty

• Manufacturer: NOCO