The EVO Max 4T Battery, with a capacity of 8070mAh, is a powerful 14.88V LiPo 4S battery that offers 42 minutes of flight time, has auto selfheating in low temperatures, and is hotswapping in between flights to reduce downtime and get you in the air as quickly as possible.\n\nThe EVO Max 4T Battery, with a capacity of 8070mAh, is a powerful 14.88V LiPo 4S battery that offers 42 minutes of flight time, has auto selfheating in low temperatures