Battery Type: 57++ <br> Voltage: 11.1V <br> Capacity: 8.96AH <br><br> <b>Replacement Model:</b>T440P T540P W540 W541 L440 L540 <br><br> <b>Compatible Part Number: </b>45n1144 45n1145 45n1152 45n1153 45n1150 45n1151 0c52864 0c52863 <br>