B31N1336 Battery For Asus Vivobook S551 S551L S551LA S551LB A551L V551L R553LN
B31N1336 A42-S551 C31-S551 0A001-00450400. It's best to compare your original battery with ours. Short circuit protection. You need to turn off your laptop and disconnect the power when you install a new battery.