· Long-lasting power, rapid charging and durability in all weather conditions· Unique arc design and Keep-Cool battery technology keep each cell cool for long life and hard work in the most extreme conditions· Integrated fuel gauge to let you know how much power is left in your battery· Fast Charge time: Charges in 40 minutes with EGO Power plus Rapid Charger Charges in 100 minutes with EGO Power plus Standard Charger· ARC Lithium battery is compatible with all EGO POWER plus Power Equipment and chargers· 3 Year Limited Warranty