The Sun Joe 24V iONMAX Hand Chain Saw features the power of gas with the convenience of cordless, in a compact handheld size. No more tugging tangled extension cords, no more straining – just cord-free, gas-free, hassle-free power and convenience. You only get that kind of power with Sun Joe’s exclusive 24-Volt iONMAX lithium-ion battery. With no-fade power from start-to-finish, you can run stronger and longer.