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.
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