ARC Lithium™ design keeps battery from overheating so equipment runs longer at full power Shock-resistant design protects batteries and electronics from drops and the elements Intelligent power management optimizes individual battery cells for maximum power, performance, and runtime Charges in 30 minutes with EGO Power+ Turbo Charger (CH7000) Fuel gauge indicator lights display remaining runtime in 20% increments Compatible with all EGO tools Capacity: 140Wh Weight: 2.8 lbs 3-year limited warranty