Why to Buy It
They offer the same perks as corded models, but with no cord to keep you tethered to a power source. Newer models (available in Europe but not in the U.S.) are starting to use lithium-ion batteries, which last longer and are lighter than their lead-acid brethren.Keep in Mind
The batteries last for a few years, but you need to juice them up often. A 19-inch model can mow about a third of an acre in an hour before you have to recharge for 8 to 12 hours. Look for a model whose battery can be charged inside or outside the mower, and buy a spare battery so you can work without interruption.
19-inch battery-powered mower, about $499; Neuton