1 laptop battery for 6530b 2 laptop battery specification:11.1V/4400mAh 3 battery use grade A cells 4 Certificates:CE,Rohs laptop battery for Business Notebook 6530b,6535b,6730b,6735bCapacity(mAh):4400 (Optional:4800,5200 )Votage(V): 11.1Original Part Number:458640-542,482962-001,484786-001,532497-421,583256-001,586031-001,AT908AA,HSTNN-LB0E,HSTNN-UB68,HSTNN-UB69,HSTNN-XB0E,HSTNN-XB24,HSTNN-XB59, ...