Tool Test: Cordless Circular Saws

With no cord to get tangled or to trip on, battery-powered circ saws simplify the job of cutting plywood and lumber. We selected four of the newest 18-volt saws—each equipped with a potent lithium-ion battery, 6½-inch carbide blade, and rugged metal shoe and housing—then asked This Old House readers to put them to the test. Here's what they had to say.