Dell Inspiron 15 7557 7559 Battery Type 357F9 71JF4

Product Specification :

Dell brand 11.4 Volts 74 Whr / 4650 mAh 6 Cell Li-polymer Black Six Months Warranty 300-500 recharge cycles

You can expect about 2 hours to 4-1/2 hours of run time with this Dell Inspiron 17 7557 battery when new, depending on your energy use.

Dell battery part numbers: 357F9 71JF4 0GFJ6