Long Life Battery for Hp Spare 458640-542 482962-001 484786-001 hstnn-144c hstnn-145c hstnn-c66c hstnn-c68c hstnn-cb69 hstnn-ib68 hstnn-ib69 hstnn-ub68 hstnn-xb24 hstnn-xb59 ku531aa (AC Doctor INC) Battery Cells are the most important. Battery Charging More Than 800 Times. 100% New Direct from Manufacturer. Affordable price! Compatible Computer Models List: HP Compaq 530b, 6535b, 6730b, 6735b, 6930p; HP EliteBook 6930p, 8440p, 8440w; HP ProBook 6440b, 6445b, 6530b, 6535b, 6540b, 6545b, 6730b, 6735b, 6930p Replace with HP Battery List: 458640-542 482962-001 484786-001 HSTNN-144C-A HSTNN-144C-B HSTNN-145C-A HSTNN-145C-B HSTNN-C66C-4 HSTNN-C66C-5 HSTNN-C67C-4 HSTNN-C67C-5 HSTNN-C68C HSTNN-CB69 HSTNN-IB68 HSTNN-IB69 HSTNN-UB68 HSTNN-UB69 HSTNN-XB24 HSTNN-XB59 HSTNN-XB61 HSTNN-XB68 HSTNN-XB69 KU531AA Operation Time: Using updated battery cell. Thousands of customers's recommend great price for around 4 hours chargering time. Warranty: 24 Months warranty. Assistance: Email reply within 24 hours, 7 days a week.