Providing the torque of gas without the noise, fuss or fumes, the Ego 21 in. 56 Volt Lithium-Ion cordless battery push mower mows up to two miles on a single charge. It delivers long-lasting power, rapid charging and durability in all weather conditions. The advanced Ego power+ 56 Volt arc-lithium battery uses industry-leading technology to deliver a longer run time and is compatible with all Ego power+ products.