ECHO ZRCCS-58V4AH 16 in. 58-Volt Lithium-Ion Brushless Cordless Chainsaw Kit (Certified Refurbished) Includes 58-Volt 4.0 Ah lithium-ion battery and 58-Volt lithium-ion charger Brushless motor for superior power, run time and durability 16 in. bar and chain for larger, more aggressive cutting Equipped with an inertia chain brake Automatic oiler for optimum oiling and longer chain life