Given an Amazon review, indicate whether it is a 'Positive Review' or 'Negative Review'.

Installed on a Dell Latitude E6410. Worked out of the box and I got about 2-4 hrs of use, depending on tasks. Just 3 months later, the battery is not holding a charge... it drains in less than 20 minutes. I would not purchase this item again or recommend it.
Negative Review