-
Competitive Pricing
We will beat most prices!
-
Questions?
Contact us at sales@allianceracing.com
-
Free Shipping
Free shipping on orders over $300!
-
Armrest Box Hidden Expansion Dock for Tesla
Seamless Charging Integration for Model 3 Highland & Model Y Juniper

Key Features & Benefits
-
Custom-Engineered Fit
Specifically designed for Tesla Model 3 Highland and 2025+ Tesla Model Y Juniper, ensuring a flawless and integrated look that complements your vehicle's interior.
-
Hidden & Space-Efficient Design
Cleverly utilizes the idle space beneath the armrest, providing a discreet yet powerful charging solution. Maximizes charging performance while maintaining interior neatness.
-
87W Fast Charging Expansion
Experience lightning-fast charging without sacrificing valuable cabin space. Our hidden expansion port rapidly charges multiple devices simultaneously, eliminating battery anxiety on your journey.
-
Enhanced Interior Aesthetics
Creates a harmonious and unified interior appearance. The flush-mount installation ensures a snug fit, perfectly matching your vehicle's interior.
-
90cm Retractable Fast Charging Cables
Enjoy the convenience of rear-seat charging with our smoothly retractable cables. Say goodbye to tangled wires or hard-to-reach connections – charging for rear passengers is now effortless, ensuring everyone stays powered for the journey ahead.
-
Thoughtful Silicone Storage Head
Features a user-friendly silicone storage head for neat and secure cable management, a truly considerate design.
How to Use & Product Parameters
Effortless Retraction Mechanism
Simply pull down one end of the connector until you hear a "click" to secure it in place. A slight pull outwards will then automatically retract the data cable, keeping your interior tidy.

Comprehensive Fast Charging Capabilities
This docking station delivers a total of 125W fast charging, comprising a 65W Type-C port, a 30W Apple Lightning port, and two 15W USB ports, ensuring all your devices charge quickly.

Compatible Tesla Models & Years
| Tesla Model | Years | Compatibility |
|---|---|---|
| Model 3 Highland | 2023.10+ | ✔️ |
| Model Y Juniper | 2025+ | ✔️ |
| Model 3 (Previous Generations) | 2017-2023.09 | Not compatible due to design differences. |
| Model Y (Previous Generations) | 2020-2024 | Not compatible due to design differences. |
Frequently Asked Questions
Q: Is this product difficult to install?
A: No, the hidden expansion dock is designed for easy, flush-mount installation, seamlessly integrating into your Tesla's armrest box without complex tools or modifications.
Q: Can it charge multiple devices simultaneously?
A: Yes, with its 87W fast charging expansion, it is capable of quickly charging multiple devices at the same time through its various ports.
Q: Are the retractable cables durable?
A: The 90cm retractable cables are designed for smooth operation and durability, ensuring convenient and long-lasting use for rear-seat charging.
Q: Will this dock interfere with the armrest's functionality?
A: No, the dock is engineered to utilize the idle space beneath the armrest box, ensuring it integrates seamlessly without hindering the armrest's normal operation or storage capacity.
Shipping on new purchases
In Stock Items:In stock items typically ship within 1-3 business days. Most items arrive within 2 business days, but there are situations where it may take up to 5 business days.
Special Order Items:
Special order and out of stock items are product-specific and lead times can vary. Please e-mail us if you are looking for an ETA / Lead Time on a specific product. Special order orders are subject to cancellation if the vendor cannot provide any ETA.
Returns Policy
To start the return process, please e-mail sales@allianceracing.com
Include the following:
Subject "Return for Order#"
Order Number
Part Number
Reason
Returns are eligible for up to 14 days from delivery of items. Accepted refunds can take up to 7-10 business days to process. All refunds are subject to a 25% restocking fee, if opened. Customer may be responsible for return shipping. If 14 days have gone by since your item was delivered, unfortunately we can’t guarantee you a refund or exchange. We reserve the right to deny any return request, based on provided information.
Alliance Racing is not responsible for ensuring part fitment. It is the responsibility of the purchaser to ensure the parts being ordered are the correct fitment for the vehicle intended. Alliance Racing will not accept any returns for incorrect fitment after product is opened.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Shipping
To return your product, mail your product to:
Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614
In many cases, you will be responsible for shipping costs to return your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping will be deducted from your refund.
Depending on your location, the time it may take for your exchanged product to reach you may vary.
If you are shipping an item over $100, you should consider using a trackable shipping service and/or purchasing Shipping Insurance.
To initiate a price match, please e-mail sales@allianceracing.com with the product information (SKU, URL, & Part Name) and a link to the competitors product page for us to validate the price match eligibility.
Please note that there are cases when we cannot offer a price match, but we will do everything in our power to try to match it. Some manufacturers have Pricing Policies that we have to adhere to.
Featured Blogs
Nissan 350Z Gauge Pods: The Best Interior Upgrade for Performance Driving Z33
Porsche’s New Apex Predator: The new 911 Turbo S
Porsche’s latest 911 Turbo S packs 711 hp and a cutting-edge T-Hybrid system, making it the most powerful production 911 to date. But as electric turbos enter the scene, the future of tuning grows more complex. We break down the tech, the track numbers, and what it means for the aftermarket world.
Read the full post to see why this isn’t just evolution—it’s a warning shot for tuners everywhere.
Read more
