A black electric golf cart with a clear canopy and four wheels, parked on a paved path in a landscaped residential area with trees, shrubs, and a house in the background.

Your Golf Cart Deserves A Better Battery System

Sunday Spec specializes in Eco Battery lithium conversions and complete powertrain upgrades designed for better range, stronger performance, and easier ownership. Installed locally in Alpharetta, GA and backed by the Sunday Spec Guarantee.

UPGRADE MY CART

POPULAR WAYS TO CUSTOMIZE

A Gen3 Eco Battery 53 kWh lithium-ion power system, 31.2V 105AH, shown installed inside a vehicle battery compartment with wiring and metal chassis visible.

LITHIUM CONVERSIONS

More range, more consistency, and less maintenance when you convert to a lithium battery system.
A close-up of a Fusion GTR golf cart tire mounted on a GTW Nexus wheel in black and machined finish installed on a Club Car DS golf cart.

WHEELS & TIRES

Hundreds of styles and sizes available to take your cart's look to the next level.
A black and white custom-built electric golf cart with off-road tires, a white canopy roof, and a custom front bumper, parked in front of a white brick building.

LIFT KITS & SUSPENSION

Improve the stance and appearance of your cart with lift kits using premium kits and components.
A black off-road utility cart or golf cart parked on a residential driveway at night, illuminated by white headlights and blue LED under-seat and roof lighting.

LIGHTING

LED headlights and taillights, under-cart lighting, canopy lighting, and more.
Close-up of a black and gray quilted leather seat with diamond stitching, showing the texture and upholstery details, with a blurred outdoor background.

SEATS & INTERIOR

Replace your seats with premium comfort seats using high-quality finishes and materials.

AUDIO & ELECTRONICS

Enjoy a premium sound experience in your cart with soundbars, speakers, head units, and more.
Close-up of a gray metal tray table with a circular cutout, positioned next to a brown quilted leather seat.

CUSTOM PAINT & BODY

Automotive paint finishes with quality processing to give your cart a unique and premium look.
A close-up of an electric motor assembly with a black control box labeled EB, multiple black cables with colored connectors, and a motor encoder cable, photographed in an industrial setting.

AC POWERTRAIN KITS

Improve performance and efficiency by installing the latest in AC drive motor technology.

FROM BASIC UPGRADES TO SHOW-STOPPING CUSTOM BUILDS

Whether you're looking for a clean neighborhood cruiser, a lifted street machine, or a full custom show build using the latest in quality components, we'll help you plan and assemble the cart of your dreams.

✓ Professional installation by a team of carting experts
✓ Quality parts from top brands we trust
✓ Expert guidance based on how you use your cart
✓ Local pick up & delivery available; transport available for long distance
✓ 12-month workmanship warranty on all builds and installs

LET'S DISCUSS YOUR BUILD
A white golf cart with people riding drives along a paved path at a golf resort, with manicured green fairways, trees, and villas in the background under a clear blue sky.

YOUR WEEKEND STARTS HERE

Ready to build, upgrade, or just explore options? We're here to help!

CONTACT US