The biggest complaint we hear about upgrading controllers is the loss of run time. It's true if you get more outstanding performance, the cart will consume energy quickly. The Club Car DS / Precedent Navitas 600-Amp 48-Volt Controller Kit is the best of both worlds. Sure, you can turn the speed up and do near 25 miles per hour or turn the torque up and pull your boat out of the water. Or you could turn both down and increase your runtime by 30-percent. All the performance you need when you need it, just not all at once. Finally, you can play a few rounds and still race the neighbors all on one charge.In this kit, you get a Club Car 48-Volt 16-Pin harness for plug-and-play installation. This will fits DS & Precedent models that utilize that sixteen-pin set-up. Make sure the On-The-Fly controller programming box gets hooked up so you can save power and pass the Joneses exactly when you need to. Call Buggies Unlimited and get one coming.