The Greenhill PT Golf Trolley features core Greenhill technologies - sleek Z folding chassis and ergonomic T-bar handle and an ultrasonic digital controller efficiently manages speed - with the addition of easy steer technology, a variable electronic braking system giving complete speed control up and downhill. Three-level distance function and a kinetic energy recovery system, which recharges the battery during the round.   Electric golf trolley. The PT can be fully customised with choice of three colours, batteries and wheel types.