B5/B5M Battery Holder Tray

Description

Foam-Free Battery Control for the B5/B5M

Say goodbye to foam blocks, battery bounce, and sketchy double-sided tape. The Rare Form Works Battery Tray System is a purpose-built solution for Team Associated B5 and B5M drivers who want consistent battery fitment, clean installs, and adjustable weight balance — without the hassle of patchwork solutions.

This 3D-printed tray system was designed from the ground up to fit the B5/B5M chassis precisely and to hold a 46.6×92.7mm LiPo with zero gaps, zero movement, and zero foam required.

No more jamming random padding in your chassis. No more tape. No more shifting mid-run.

Just a clean, confident fit.

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Two Layout Styles: One Purpose — Battery Control

You’ve got two options depending on your setup goals:

Center Tray

Keeps the battery in a neutral, centered position for balanced weight distribution. Ideal for high-grip tracks, technical layouts, and drivers who prefer predictable handling.

Offset Tray

Allows you to shift the battery slightly forward or rearward. Perfect for tuning your car’s weight bias depending on grip level, driving style, or track conditions. A slight shift in battery position can have a noticeable effect on steering and rotation — this tray lets you take advantage of that.

Each tray is a direct fit — no modding or sanding required. Just drop it in and go.

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Get Both & Save

You can also purchase the Complete Tray Kit, which includes both the Center and Offset trays. Great for racers who want to test and tune quickly without swapping parts between races. Save $5 when you grab the full kit.

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Custom Sizing Available

While this tray system is built around the widely used 46.6×92.7mm LiPo, we understand some drivers run unique pack sizes — especially in spec classes or older battery formats. You can request a custom tray size designed to match your battery’s exact footprint for an additional $10.

To request a custom size:

• Select the “Custom Size” option when purchasing

• Include your battery’s dimensions in the checkout notes

Custom trays are built to order with the same fit-first design mindset as our standard units.

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Pairs Perfectly with the B5/B5M Battery Strap

This tray system is fully compatible with the Rare Form Works Battery Strap, which is designed to clamp down directly over this tray with zero flex and no need for foam or shims.

Together, the tray and strap create a rock-solid battery hold system that eliminates movement in every direction — side to side, up and down, front to back. Once installed, your battery becomes a locked-in part of the chassis — not a floating mass inside it.

Running both gives you the cleanest, most consistent setup possible for this platform.

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Installation is Simple

No modification is required to your B5 or B5M chassis.
To install:

1. Drop the tray into the battery bay

2. Seat your LiPo into the molded cutout

3. Secure it using the Rare Form Works Battery Strap or your preferred hold-down method

That’s it. No glue, no trimming, no taping required.

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Why You’ll Want This

• Keeps your battery from moving under load

• Lets you tune weight bias with the offset version

• Makes battery swaps faster and cleaner

• Replaces multiple pieces of foam with one clean component

This tray is not just an accessory — it’s a performance part for people who take battery placement seriously.

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Options Available

• Center Tray – Balanced, neutral positioning

• Offset Tray – Forward/rearward weight tuning

• Tray Combo – Both trays, save $5

• Custom Size Tray – Built to your specs (+$10, Contact Us for details)

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Product Specs

• Chassis Fit: Team Associated B5 / B5M

• Standard Battery Fit: 46.6×92.7mm LiPo

• Material: High-durability thermoplastic

• Finish: Matte black

• Ships: Printed on demand, ships in 2–4 business days

• Custom Orders: Add up to 2 extra business days

• Strap Compatibility: Designed to pair with Rare Form Works Battery Strap

Ditch the foam. Tune the weight. Lock it in.