The Powerful 21v lithium battery operated chainsaw uses a high-quality guide chain that ensures smooth, seamless cutting. Ideal for Tree pruning, Woodcutting, and gardening. The chainsaw takes an impressive 10 seconds to cut a log with a diameter of about 15cm. With a total weight of 700 grams, the mini chainsaw can easily be controlled for long hours of work. The chainsaw can operate for up to an impressive 3 hours of continuous work on one full charge!