WHAT TO LOOK OUT FOR BEFORE BUYING THIS LAPTOP BATTERY- Check the back of your laptop for RMM NUMBER OR- Remove your battery and check for your Part Number that macthes any of the below TYPE/PART NUMBER- Shape and the hook for your battery teeth.- Rating: 10.8 volt & 11.1 volt systems OR 14.4volt & 14.8volt Volt- Capacity: 5200 mAh or 58 Whr;- Color: BlackHere are the lists of the Part Number which this Battery is Compatible with, SO If the number on your RMM or the Number found on your Laptop Batery then place your Order. But if NOT do not buy this BatteryNOTE: Please charge the BATTERY fully before Using when you get your Order. And do not mind the label on the battery delivered to you because the comes in differnt batches. ThanksTYPE/PART NUMBER 395789-001 395789-002 395789-003 396008-001 403808-001 458274-341 458274-342 458274-344 458274-361 458274-421 458274-422 458274-441 463573-001 463573-002 484788-001 493976-001 501114-001 592078-001 AV08 AV08073 AV08XL BS554AA BS554AA#ABA BS554AA#AC3 EF419A EG417AA HSTNN-DB20 HSTNN-IB20 HSTNN-OB20 HSTNN-I43C HSTNN-LB60 HSTNN-OB0T HSTNN-OB60 HSTNN-XB60 HSTNN-W46C KU533AA NBP6A82 NBP6A82B2 NBP8A82 NBP8A8282 NBP8A82B2 NHP045A STL-CHA-SON