Ryobi ZRRY40511 40V Cordless Brushless Lithium-Ion 14 in. Chainsaw (Certified Refurbished) Works with all Ryobi 40V Lithium-ion tools and batteries Brushless motor for increased torque and gas-Like power Cutting speed of a gas chainsaw for faster and effeicient results Side access chain tensioning for easy adjustments On-board tool storage for quick chain adjustments