TAUPO New Laptop Replacement Battery Compatible with HP EliteBook 8530p 8540p 8730w 8530w 8540w, ProBook 6545b,fit 493976-001 AV08 AV08XL 493976-001 KU533AA HSTNN-LB60 HSTNN-XB60-12 Months Warranty Battery type: Li-ion; 8-cell; Capacity: 4400mAh/63Wh; Voltage: 14.4V Compatible part number: 458274-421 / 484788-001 / 493976-001 / 501114-001 / HSTNN-LB60 / HSTNN-OB60 / HSTNN-XB60 / KU533AA High performance with extended long life, up to 500 recharge cycles over the life of the battery, 2-3 hours of running time. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability All products are CE-/FCC-/RoHS-Certified by reputable, qualified and accredited testing laboratories. Strict guidelines for compatibility, 12-months hassle-free warranty