Model5TF10; Battery Type: Li-ion; Voltage: 7.6V; Capacity: 64WH 8000mAh; Cells: 4-Cell; 5TF10 Replacement battery for Dell offers 500+ recharge cycles over life of battery. Replace Part Numbers5TF10 NYFJH RY3F9 0RY3F9 7M0T6 GHXKY. Compatible Laptop Modelsfor Dell Precision 7730 7740 7530 7540 Series; for Dell P34E P34E001 P34E002 P74F P74F P74F001 P74F002 Series. 100% Brand NewGrade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability.