THEPRO Battery Hold Down Tray Kit

THEPRO Battery Hold Down Tray Kit is a durable, corrosion-resistant steel tray and adjustable clamp system that secures automotive and marine batteries to prevent movement and protect terminals.

Built for vehicles, trailers, and boats, this bolt-on battery tray and J-bolt hold-down kit provides a stable mounting solution for common battery group sizes. Constructed from high-strength iron with a protective vinyl coating, the kit resists rust and adds service-life longevity. Multiple tray and bolt size options accommodate a wide range of battery groups so you can pick the closest match for a snug installation.

How does the tray keep a battery firmly in place?

The system uses a bolt-on tray platform combined with a J-bolt clamp and hold-down hardware that fastens the battery to the vehicle frame or mounting surface. The clamp prevents lateral and vertical movement, keeping the battery from shifting under vibration or acceleration.

• Tray mounts with bolts to chassis or boat deck for a secure base.
• J-bolt hold-down tightens across the battery top to lock it down.
• Vinyl coating reduces metal-on-battery abrasion and corrosion.

Which battery sizes fit these tray and bolt combinations?

THEPRO trays are offered in multiple combinations designed to fit popular group sizes. Choose the tray/bolt pair that most closely matches your battery dimensions for the safest fit and best clamping pressure.

• 10.6" J-bolt with 13.58" tray fits group 4, 24, 27, 29, 31, 60, 74, 77 and similar layouts.
• 9" J-bolt with 10.5" tray fits group 65, 48, 94R and similar sizes.
• 9" J-bolt with 11" tray fits group 34, 74, 77, 78, 54, 55 and related batteries.

What materials and coatings protect the tray from corrosion?

The tray and clamp components are stamped from high-strength iron and finished with a vinyl coating that helps block moisture and salt exposure. This combination provides mechanical strength plus a barrier against rust in harsh environments.

• High-strength iron base provides structural rigidity under vibration.
• Vinyl coating decreases surface corrosion and wear on battery cases.
• Zinc-plated bolts and hardware resist oxidation for longer life.

How easy is it to install the hold-down tray on my vehicle or boat?

Installation is straightforward for anyone comfortable with basic hand tools. The tray bolts down first, the battery sits on top, and the J-bolt hold-down is positioned and tightened to secure the battery.

• Includes hold-down kit and hardware for quick assembly.
• Bolt-on mounting means no welding or permanent frame changes needed.
• Adjustable clamp allows fitting to slightly different battery heights.

Who this is for: The THEPRO Battery Hold Down Tray Kit is aimed at DIYers, mechanics, boat owners, off-road enthusiasts, and fleet operators who need a reliable, corrosion-resistant solution to secure batteries. It’s ideal when replacing worn mounts, upgrading battery capacity, or adding auxiliary batteries for trolling motors, winches, or camper power systems. Choose the tray and J-bolt size that most closely matches your battery group to ensure a tight fit and dependable hold under road or marine conditions.