This rechargeable cordless tiller earned The Best rating from the Hammacher Schlemmer Institute because it had the best battery performance and superior features. It produced the longest run time of all models tested, lasting 145 minutes, 4 1/2 times longer than inferior units. The Best model had four curved tines that adjust from 7"-11", a push-button start, and an ergonomic padded handle for comfortable handling. It tilled an 8' x 3' area of soil in 11 minutes and was the only tested unit that successfully tilled an 8' x 3' area of plants without getting jammed by roots. It was also one of the easiest models to operate due to its lightweight battery. Charges via AC. 44" L x 38" W x 15" D. (26 lbs.)