Dtk laptop Battery for Hp G32 G42 G62 G72 G4 G6 G6t G7 ; Compaq Presario Cq32 Cq42 Cq43 Cq430 Cq56 Cq62 Cq72 ; Hp Pavilion Dm4 ; Fits Mu06 593553-001 593554-001 Mu09 Hstnn-lb0w 636631-001 593550-001 Battery type: Li-ion; Capacity: 4400mAh; Cells: 6-cell; Voltage: 10.8V. Compatible Models: 2000 2000z-100 CTO 430 431 435 436 630 631 635 G32 G56 series G62 series G72 series G4 series G6t G6 series Hp Pavilion dm4 series dv3 series dv4 series dv5 series dv6 series CQ32 CQ42 CQ62 CQ72 CQ43 CQ43-300 CQ43-100 CQ56 CQ62 . Compatible Part Numbers: MU06 MU09 593553-001 593554-001 WD548AA 636631-001 593550-001 HSTNN-Q61C HSTNN-DB0W HSTNN-DB0X HSTNN-CBOX HSTNN-IB0W 586006-361 HSTNN-CB0W 586006-241 586006-361 586006-541 586006-761 All DTK products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Operation time for standard batteries(6-cell, 4400mah): Around 2 hours, the actual operation time will depend on how much electricity is required by the device and how you use it. 24 x 7 email support, 12-month hassle-free warranty. overheating protection overcurrent protection overvoltage protection overcharge protection over discharge protection short circuit protection