Noco HM327BK Group 27 Snap-Top Battery Box

Part No:HM327BK Write a Review

Condition:New

Brand:Noco

Weight:4 lbs

Material:UV-stabilized, impact-resistant polymer

Product Type:Group 27 Snap‑Top Battery Box

Noco HM327BK

Group 27 Snap‑Top Battery Box – 12 V Outdoor Waterproof Enclosure

The NOCO HM327BK is a high-quality snap-top battery enclosure designed for Group 27 12 V batteries. Ideal for rugged outdoor use—in boats, RVs, trailers, generators, and off-grid systems—it combines protective features and user convenience for long-lasting service.

Features

Engineered from UV-stabilized polymer with stabilizers to resist fading, the HM327BK maintains structural integrity even at –20 °F Its robust snap-top with dual locking tabs and a 42-inch strap.

Advanced Options

ensures the lid stays secured during transport or rough conditions The lid’s cable ports facilitate tidy wiring, while the internal acid reservoir contains any leaks from spilled electrolyte.

Product Key Features

  •  Rugged Construction: UV, oil, gas, acid-resistant polymer, holds impact strength down to –20 °F Snap-top cover with locking tabs and 42″ strap included

  •  Ventilated & Durable: Fully vented lid with cable ports; internal reservoir collects acid leaks Complies with USCG 183.420 and ABYC E-10.7 standards 

  •  Reinforced Handles: Ergonomic, heavy-duty handles built to resist cracking

Reliability & Performance

Built to exceed marine safety requirements, the HM327BK box safely vents hydrogen gas and secures the battery against movement, per USCG Code 183.420 Handles remain reliable even under strain—confirmed by user feedback praising their durability . Its external dimensions ensure compatibility with most Group 27 batteries.

Key Features :

    • Designed for a single Group 27 12 V battery

    • Snap-top lid with locking tabs + 42″ hold-down strap

    • Fully vented lid with multiple cable ports

    • Internal reservoir for acid containment

    • Resistant to UV, impact, oil, gas, and acid

    • Reinforced handles for durability

    • Meets USCG 183.420 & ABYC E‑10.7 marine standards

BrandNoco
Model NumberHM327BK
SKUHM327BK
ConditionNew
Dimensions16.9 × 9.8 × 11.5 in
Weight4 lbs
TypeGroup 27 Snap‑Top Battery Box
Battery Size SupportedGroup 27 12 V
Internal Dimensions13.2″ L × 7.2″ W × 10.1″ H
Strap Length42″
MaterialUV-stabilized, impact-resistant polymer
Max Temp ResistanceDown to –20 °F
VentilationFully vented lid with cable access ports
Acid ContainmentIntegrated internal reservoir
HandlesReinforced, heavy-duty
CertificationsUSCG 183.420, ABYC E‑10.7
IncludesBattery box + 42″ strap

Warranty

Products include the manufacturer warranty where applicable. Warranty coverage, term, and service options may vary by manufacturer and product condition.

Returns

We guarantee free replacements on all new/refurbished equipment in case of any defects.

  • Returns must be requested within 30 days of the original invoice date.
  • Merchandise must be unused and in original packaging; bulk-packed and refurbished items must have unbroken sealing tape.
  • A 25% restocking fee applies to non-defective merchandise returned by mistake.
  • Discontinued, close-out, and custom printed items are non-returnable unless defective.
  • Customer is responsible for return freight costs.

View full return policy

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