16" Cordless Chainsaw 4x4.0Ah Batteries Auto Oiling Tool-Free Tensioning

[POWERFUL BRUSHLESS MOTOR] High-efficiency brushless motor delivers 30% more cutting torque and increased motor life by 50% compared to brushed models; 16-inch manganese steel guide bar reaches chain speeds of 15m/s for effortless felling of trees up to 14 inches in diameter. [EXTENDED 4-BATTERY RUNTIME] Equipped with four 4000mAh high-capacity Lithium-Ion batteries and two dual-port fast chargers to ensure zero downtime; provides sufficient power for up to 240 continuous cuts on 4-inch timber, making it ideal for large-scale farm or forest maintenance. [TOOL-FREE & AUTO-OILING] Features an advanced tool-free chain tensioning system for quick adjustments on the fly without extra tools; integrated 150ml automatic lubrication system keeps the low-kickback chain running smoothly to reduce friction and heat during heavy-duty DIY logging. [MAXIMISED SAFETY & DURABILITY] Engineered with an electronic chain brake for instant stopping and a reinforced hand guard to prevent debris injury; low-kickback design combined with efficient cooling ducts ensures stable performance during intensive winter firewood preparation. [COMPLETE KIT & SUPPORT] Comprehensive package includes 16" cordless chainsaw, 4x 4.0Ah batteries, 2x chargers, safety goggles, gloves, spare chain, and storage tools; backed by a 2-year manufacturer warranty and a 30-day worry-free return policy for professional garden maintenance.