Attwood Marine PowerGuard Battery Box, Vented, Polypropylene, ABYC E-10, USCG 183.420

Overview

The Attwood Marine PowerGuard is a vented battery box range for keeping a marine battery covered, contained, and held down in small boats, fishing boats, pontoons, personal watercraft, and other onboard or dockside electrical setups. The range covers U1, 27/27F/27M, and 29/31 battery series, so the main buying decision is matching the box to the battery group used on the vessel.

Each box uses black polypropylene construction for acid resistance and has ventilation for battery gas management. The PowerGuard boxes meet ABYC Standard E-10 and U.S. Coast Guard Specification 183.420 as an OEM-installed battery hold-down system, and the hold-down straps are rated to resist 350 lb of force.

These boxes are made for real marine handling, with rolled-edge handles, cable openings for battery leads, and drop testing across a temperature range from -20°F to +120°F. They are a practical fit for battery locations where the battery needs protection from contact, movement, and routine exposure around wet gear, bilge moisture, and washdown areas.

Key features

• Vented battery box construction helps manage battery gases while keeping the battery covered and separated from loose gear.
• Black polypropylene body resists battery acid, which matters around lead-acid batteries in enclosed lockers and utility spaces.
• Meets ABYC Standard E-10 and U.S. Coast Guard Specification 183.420 for use as an OEM-installed battery hold-down system.
• Hold-down straps resist 350 lb of force, helping keep the battery in place when the boat is trailered, turns hard, or runs through chop.
• Four cable openings allow battery leads to exit the box without forcing the lid out of position.
• Large handles with rolled edges make the box easier to lift and position during battery service.
• Drop tested from -20°F to +120°F for use across seasonal storage, hot compartments, and cold-weather handling.

Variants

This PowerGuard range is offered in three configurations based on battery series. The battery series is the key fit point, so the box should be matched to the installed battery before ordering.

The variants differ by battery group fit and box size. Across the range, the boxes are vented, black, made from polypropylene, include a hold-down strap, and meet ABYC E-10 and U.S. Coast Guard Specification 183.420.

• 9082-1 fits Battery Series U1. This smaller configuration is suited to compact batteries often used in personal watercraft, small auxiliary systems, and other tight battery locations where a full-size Group 27 or Group 31 box is not needed.
• 9067-1 fits Battery Series 27/27F/27M. This mid-size option matches common marine starting and deep-cycle battery groups used on many runabouts, fishing boats, and pontoons.
• 9084-1 fits Battery Series 29/31. This larger configuration accommodates Group 29 and Group 31 batteries, often used where higher battery capacity is required for trolling motors, house loads, or extended time away from shore power.

Compatibility and fit

Battery group size is the most important fit check. A U1 battery should be paired with the U1 box, Group 27, 27F, or 27M batteries should be paired with the 27-series box, and Group 29 or 31 batteries should be paired with the 29/31 box. The lid, cable exits, and hold-down strap all depend on the battery sitting properly inside the box.

Before installation, confirm the battery footprint, terminal height, and cable routing in the actual mounting location. The box needs enough clearance for the lid, strap, cable bend radius, and hand access for future battery inspection or replacement.

Installation and use on board

Mount the box on a flat, stable surface where the battery weight is fully supported and the strap can be properly secured. Good locations include battery trays, lazarette compartments, console interiors, and utility lockers that remain accessible for charging and maintenance.

Route positive and negative cables through the molded openings without sharp bends or lid interference. After the battery is installed, check that the lid sits correctly and that the strap holds the box firmly before the boat is trailered or run in rough water.

Maintenance and care

Inspect the box during battery checks for acid residue, loose hardware, cracked plastic, or a strap that no longer holds tension. Keeping the battery compartment clean and dry helps protect nearby wiring and makes it easier to spot corrosion at the terminals.

This range is a good match for boat owners replacing a worn battery box or setting up a secure battery location for a small craft, tender, fishing boat, or utility circuit where fit by battery group is the deciding factor.

What’s included

• PowerGuard vented battery box with lid
• Hold-down strap
• Mounting hardware

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Orders of $100 or more qualify for free shipping when eligible. For orders under $100, shipping costs are calculated at checkout based on destination, package weight, and selected service. International shipping is available for eligible products, and certain items may require additional handling, warehouse transfers, or may ship directly from the manufacturer, which can affect processing time.

Deliveries are handled by preferred carriers such as USPS, UPS, FedEx, DHL, and others depending on your location and selected service. Estimated delivery times are displayed at checkout and may vary due to customs processing, carrier delays, weather, postal disruptions, or other circumstances beyond our control. Once your order ships, you'll receive a confirmation email with tracking information. Tracking may take up to 24 hours to update on the carrier's website and is also available through your account when applicable.

We ship throughout the United States and to most international destinations for products eligible for international shipping. International orders may be subject to customs duties, taxes, brokerage charges, or other import fees, which are the customer's responsibility and are not included in the product or shipping price. PO Boxes are accepted only when shipping through USPS, and not all packages qualify for this option. If your order does not arrive within the estimated delivery window, please contact us at info@apollolighting.com or +1 (954) 375-0100 so we can assist with locating your package.

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Returns may be requested within 30 days of receiving your order. Items must be unused, uninstalled, unaltered, and returned in their original packaging with all tags, packing materials, blank warranty cards, manuals, instructions, accessories, and included items. Certain products, including installed or used electronics, electrical components, lighting, consumables, custom or special-order items, cut-to-length products, safety equipment, and merchandise exposed to water or marine conditions, may not be eligible for return.

To request a return, sign in to your account and select the applicable order and items, and submit your request for review. Eligible unfulfilled items may also be submitted for cancellation within 1 hour of placing the order. Returns or cancellations are not considered approved until you receive confirmation from Apollo Lighting. Please do not ship or drop off merchandise before receiving return approval and instructions.

Customers are responsible for arranging and paying for return shipping unless the return is due to an error by Apollo Lighting or the item is verified as defective, damaged, or incorrect. Missing, damaged, defective, or incorrect items must be reported within 2 business days of delivery, and photos or other documentation may be required for review. If the issue is verified, Apollo Lighting may provide or reimburse return shipping and issue a replacement or refund depending on the circumstances. International customers are responsible for return shipping, duties, taxes, customs charges, brokerage fees, and other costs associated with an international return.

After your return is received and inspected, approved refunds are issued to the original payment method and may take 5-7 business days to appear after processing. Original shipping and handling charges are nonrefundable, and the value of any included free items that are not returned may be deducted from the refund. Apollo Lighting does not charge a standard restocking fee on eligible returns. Returns that are incomplete, damaged, installed, used, altered, improperly packaged, or otherwise do not meet the eligibility requirements may be refused. We recommend using a trackable and appropriately insured shipping service for all customer-arranged returns.

For assistance, contact info@apollolighting.com or call +1 (954) 375-0100.

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Many products sold by Apollo Lighting include a manufacturer's warranty covering defects in materials or workmanship. Warranty terms vary by brand, product category, and model, so eligibility, coverage duration, exclusions, and available remedies are determined by the applicable manufacturer. We recommend reviewing the warranty information provided with your product before installation or use, especially for marine electronics, navigation equipment, lighting, electrical systems, pumps, safety equipment, and other specialized marine products.

If you need warranty service, the claim must follow the process established by the manufacturer, authorized service center, or designated warranty provider. You may be asked for proof of purchase, a serial number, product registration, photos, maintenance or installation records, or other documentation. Apollo Lighting does not determine or modify a manufacturer's warranty coverage or final claim decision, but we are happy to help provide purchase information and direct you to the appropriate manufacturer or warranty resource.

Keep your receipt, product documentation, serial number information, and original packaging when practical. Damage caused by normal wear, misuse, improper installation, insufficient maintenance, corrosion, impact, unauthorized modifications, electrical issues, or operation outside the manufacturer's specifications may not be covered. Warranty claims are separate from standard returns, so a product that has been installed, used, or exposed to marine conditions may no longer qualify for return while still remaining eligible for evaluation under the manufacturer's applicable warranty.

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