This is a rechargeable XPG 15.4V 5200mAh 727459-4S Battery . High quality and long lifetime, this 727459-4S battery lets you work seamlessly when you are on the move for business trips or vacations. All our Li-ion replacement batteries for XPG 727459-4S laptop have been tested and proven to match and/or exceed original battery performance and are 100% […]