We haven’t tested all of them, but we’ve used enough to see that the brand delivers on value. Our recent test of its 40-volt mower found that it cut 8,340 square feet on a single charge . Its chainsaw, also a 40-volt power tool, cut 46 hardwood discs. To give you some perspective, that’s as… Continue reading HART HPDD50 20V 3 8 Inch Drill Driver Owner’s Manual