NOCO Snap-Top HM318BK Battery Box, Group 24-31 12V Outdoor Waterproof Battery

Part No:HM318BK Write a Review

Condition:New

Brand:Noco

Weight:4.5 lbs

Material:UV‑stabilized, impact-resistant polymer

Product Type:Group 24–31 Snap-Top Battery Box

NOCO?HM318BK?

Group?24?31 Snap?Top Battery Box ? 12?V Outdoor Waterproof Enclosure

The NOCO HM318BK? battery box is a durable, all-weather solution for housing a single Group?24 to 31 battery.Perfect for marine, RV, trailer, generator, and automotive applications, it offers superior battery protection, secure mounting, and corrosion-resistant materials built to perform in harsh environments.

Features

Constructed from UV-stabilized, injection-molded polymer, the HM318BK withstands extreme temperatures and resist impacts, oil, gas, and battery acids?. Its adjustable divider accommodates various battery sizes (group 24?31) snugly, and the snap-top cover secures with locking tabs plus a 42? strap to prevent loosening under vibration

Advanced Options

Vented ports in the lid allow safe dissipation of hydrogen, while the integrated reservoir collects any spilled electrolyte. The design meets strict marine and yacht safety standards, making it ideal for both freshwater and saltwater environments .

Product Key Features

    • ?Rugged, impact- & UV-resistant polymer housing, functional down to ?20??F

    • ?Snap-top lid with dual locking tabs and 42? hold-down strap

    • ?Fully vented to safely release hydrogen and acid vapors

    • ?Internal acid reservoir protects against leaks

    • ?Marine-certified: meets USCG Code 183.420 & ABYC E?10.7

    • ?Reinforced handles for easy carrying without cracking

Reliability & Performance

Whether used in freezing temperatures or scorching heat, the box maintains structural integrity and battery containment. The venting and leak-reservoir reduce corrosion and hazards. The reinforced handles allow easy transport and installation, and precise internal dimensions keep batteries stable, quiet, and chemically isolated

Key Features (Bullet List)

  • Designed for Group?24?31 12?V batteries

  • Snap-top lid with locking tabs and 42? strap

  • Adjustable divider insert for secure battery fit

  • Fully vented lid with multiple cable access points

  • Internal reservoir for acid containment

  • UV, impact, oil, gas, and acid-resistant housing

  • Reinforced handles for durability

  • Meets USCG 183.420 & ABYC E-10.7 marine standards

BrandNoco
Model NumberHM318BK
SKUHM318BK
ConditionNew
Dimensions17.6 × 10.7 × 10 in
Weight4.5 lbs
TypeGroup 24–31 Snap-Top Battery Box
Battery Sizes SupportedGroup 24 to Group 31 (12 V)
Internal Dimensions14.0″ L × 7.1″ W × 9.6″ H
Strap Length42″
MaterialUV‑stabilized, impact-resistant polymer
Environmental Resistance–20 °F; resistant to UV, oil, gas, acid
VentilationFully vented lid with cable ports
Acid ContainmentIntegrated internal reservoir
HandlesReinforced, heavy-duty
CertificationsUSCG 183.420, ABYC E‑10.7
Made InUSA

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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