Xb9-b Xtreme Volts Sealed AGM Battery Xtreme Volts Absorbed Glass Mat (AGM) Batteries Are Premium Quality, Sealed & Activated Powersport Batteries. One Year warranty against manufacturer defects. Live Technical Support and Customer Support toll free at (888) 561-7100. Same day shipping. Free upgrade to USPS Priority shipping. Orders entered before 11:00 a.m. PT, Monday through Friday will, in most cases, ship the same day. Call BikeBatts Customer Service at (888) 561-7100 to add shipping insurance to your order. Xtreme Volts AGM batteries are maintenance free, factory sealed against fumes, hydrogen venting, leakage, and are non-spilling even if they are damaged.