Coming soon
Cabin + Dash
DashDock
A clean, adjustable phone mount that keeps your screen visible without taking over the dash.
Est. $39In development
Built for what comes next
Your Slate.
Your way.
Smart accessories. Useful upgrades. Thoughtfully designed for the way you work, haul and live.
Independent accessories concept shop. Not affiliated with or endorsed by Slate Auto.
Start where you need it
Useful by design.
No giant catalog of random parts. We are beginning with everyday improvements that make a simple truck work better.
See the blank canvas
Built to be accessorized.
Take a closer look at the Slate truck, its modular thinking and the possibilities that inspired our independent accessory concepts.
“Slate Truck First Look: The $25,000 Modular EV!” is presented by its original YouTube creator. SlateAddOns.com is an independent concept shop and is not affiliated with or endorsed by Slate Auto.
Accessory concepts
Small upgrades.
Big difference.
Twelve useful ideas—including seat covers, an armrest, phone mounting, Bluetooth speakers and wheel decals. Designs, compatibility, materials and prices may change before sale.
Coming soon
Coming soon
Cabin + Dash
CenterNest
Modular trays and dividers for the everyday things that otherwise roll, rattle and disappear.
Est. $54In development
Coming soon
Bed + Cargo
BedGrid
A removable divider system that keeps groceries, tools and weekend gear where you put them.
Est. $129In development
Coming soon
Cabin + Dash
CabKeep
A tough seat-back organizer with flexible pockets and a quick-grab work pouch.
Est. $69In development
Coming soon
Bed + Cargo
RailReady
Sliding tie-down points that help secure changing loads without permanent modifications.
Est. $89In development
Coming soon
Charging + Tech
ChargePocket
A weather-resistant cable bag with room for adapters, gloves and a small emergency kit.
Est. $45In development
Coming soon
Cabin + Dash
TrailShade
A folding windshield screen designed to keep a simple cabin cooler and ready to go.
Est. $59In development
Coming soon
Color + Character
ColorClip
Snap-in interior accent pieces that add personality without paint, glue or permanent changes.
Est. $35In development
Coming soon
Cabin + Dash
SeatShift Covers
Washable fitted seat covers with durable panels and quick-clean fabric for everyday work, pets and spills.
Est. $149In development
Coming soon
Cabin + Dash
RestPoint Armrest
A padded modular center armrest with useful storage and a quick-release mounting base.
Est. $89In development
Coming soon
Charging + Tech
CabSound Speakers
Compact Bluetooth speakers that secure neatly in the cabin and move with you when you park.
Est. $79In development
Coming soon
Color + Character
WheelFlash Decals
Removable pre-cut wheel accents that add color without paint or permanent changes.
Est. $35In development
How we are building
Simple earns its place.
Every product idea begins with one question: does it make the truck more useful without making ownership more complicated?
01
Useful first
No gadget earns a place simply because it can. It should solve a real, everyday problem.
02
Easy to live with
Clear instructions, sensible materials and designs that do not demand a permanent commitment.
03
Honest development
Concept means concept. We will never pretend an idea is ready before it is.
About us
Useful ideas need someone who can bring them to people.
Marcus Acosta
Co-Founder & Head of Business Development
Marcus brings more than six years of B2B sales, territory management and relationship building to Slate Add-Ons. He has led full-cycle technology sales and managed account relationships across approximately 800 retail locations from Miami to Jacksonville.
Before that, Marcus founded Hands Across Atlanta, where he helped organize hundreds of volunteers and programs that served more than 10,000 people. That combination of practical sales leadership and community service shapes his work here: listen carefully, solve a real problem and build something people can actually use.
At Slate Add-Ons, Marcus leads business development, partnerships and customer feedback as we turn smart accessory concepts into a focused first collection.
6+Years in B2B sales
800Retail locations managed
10K+People served through nonprofit work
Help shape our first accessory collection.
The truck is still on its way. Join now to see new accessory concepts, tell us what would make your Slate more useful and hear when our first designs move toward production.
Occasional updates only. You can unsubscribe at any time.