The conversation between human and AI assistant.
Which laptop should I buy out of these three models: Dell Inspiron 3542, HP Pavilion 15-p077TX and Lenovo Z50-70?
Which one has a longer battery life?
Based on their specs, the Dell Inspiron 3542 and the HP Pavilion 15-p077TX both have a 4-cell battery, while the Lenovo Z50-70 also has a 4-cell battery. However, based on user reviews, the HP Pavilion 15-p077TX has been reported to have a longer battery life compared to the other two models.