AC Doctor INC 7800mAh 9-Cell Extended Battery for HP EliteBook 6930p 8440p 8440w HSTNN-IB68 HSTNN-IB69 HSTNN-UB68 Laptop New 9 cels laptop battery replacement for HP HSTNN-C68C HSTNN-CB69 HSTNN-IB68 HSTNN-IB69 HSTNN-UB68 HSTNN-UB69 7800mAh 11.1V 203.90*53.40*20.40mm 489.0g. Full compatible with your original battery, brand new direct from Professional Manufacturer. 10.8V and 11.1V is full compatible. CE UL RoHS certified, safe use. 60 days no worry to return or exchange item, 12 months customer service warranty. US local dispatch. Please Note: Please make sure that the product shape of slot and gap are the same size. The battery part numbers listed in the description matches the battery part number on your original battery before you purchase battery.