The EGO POWER Chain Saw is the most powerful rechargeable product of its kind. The first ever 56 Volt lithium ion battery has 40 percent more power than the leading 40 Volt battery. It is removable and fits all EGO tools. The 14 in. bar and chain combined with a high efficiency brushless motor provides a smooth cut. The brushless motor extends the life of the tool and the run time. The EGO POWER Chain Saw delivers the performance of gas without the noise, fuss and fumes.