Tips: Please check carefully about your laptop model name/battery part number/battery shape and size to make sure you purchase the correct battery.
Specification:
Battery type: Li-ion
Voltage:11.4V
Capacity:91Wh
Cell:6 Cells
recharge cycles: 500
Operation time: Around 1.5-3.5hours
Compatible Part Number:
MFKVP 451-BBSB 451-BBSF GR5D3 1G9VM M28DH T05W1 0FNY7 TWCPG
Compatible Laptop Models:
For Dell Precision 15 7510 7520,
For Dell Precision 17 7710 7720,
For Dell Precision M7510 M7710 Series.