Acer Aspire 5742 Laptop Battery

Replace your worn out battery with a brand new Acer Aspire 5742 battery. This battery is compatible with the Acer Aspire 5742 and 5742z laptop models. It is also compatible with the Aspire V3, PEW71, 4551, 4551G, 4741, 4741G, 4741Z, 4771, 4771G, 4771Z, 5741, 5741G, 5741Z 7741 7741Z 7750 and Acer TravelMate 4740, 4740G, 4740Z, 5740, 5740G, 5740Z models.

Our Aspire 5742 batteries use the highest quality lithium-ion cells and components that charge faster, last longer and weigh less than cheaper, lower quality batteries. This battery is 100% compatible with the original battery specifications.

You can expect about 2 hours to 2-1/2 hours of run time with this Aspire 5742z battery when new, depending on your energy use.