Shunt wound controller designed to fit E-Z-Go TXT 48V600 Amp Compact and lightweightRegenerative braking and contactor-less motor reversingSeparate armature and field current limitsThermal protectionProduct Description Navitas puts you in control of industry leading technology with this Bluetooth compatible 600 amp EZGO TXT golf cart controller!Fits EZGO 48 volt TXT Models 2010 and upNavitas Dashboard app for iPhone and Android allows the user real time access to performance and diagnostic dataThe Dashboard app also allows you to lock out and disable the cart for additional securityImproves speed and torqueCompatible with stock motor, solenoid, and existing wiringPlug and play installationAllows for speeds up to 23 mph with stock 18″ tiresMore torque means better hill climbing capability with 22″ or 23″ tiresGreater range – Increased effeciency at lower speeds means you can go farther!