Fast and Highly Efficient Cutting: The mini chainsaw uses a high-quality guide chain that has been deeply hardened to ensure smooth cutting. The pure copper motor and 2 high-power 24V batteries make it only take 10 seconds to cut a log with a diameter of about 10-15cm (the specific value varies depending on the size and actual hardness of the wood). Get this battery-powered chainsaw, get more efficiency in your garden. Large Capacity Battery: We know that the battery life of the cordless chainsaw is your most important concern. Our rechargeable electric chainsaw is equipped with a 1500mAh lithium battery and a fast charger. Lithium-ion batteries with self-overcharging and thermal protection provide a much longer battery life. And the Seesii pruning saw is compatible with Makita batteries: BL1830 BL1830B BL1840 BL1840B BL1850 BL1850B BL1860 BL1860B (not included) One-handed operation and user-friendly accessories: Our mini chainsaw has a non-slip handle, ergonomic design, easy to grip.