Six-cells were the standard for Compaq Presario CQ42 batteries when these notebook computers were introduced in 2010. Although six cell batteries were standard, these notebooks can be powered with 12-cell batteries for more off-charger computer use. USB Phone World has six-cell and 12-cell replacement batteries for these notebooks at low prices. These replacement batteries are new and are manufactured using the latest lithium battery technology. Our batteries are guaranteed to meet or exceed the Our batteries are guaranteed to meet or exceed the specifications of the original HP batteries.. HP Compaq has produced many high quality laptop and notebook computers over the years and one good aspect about these various devices is that some of their hardware is interchangeable. When reviewing the technical specifications of these batteries, you will see that they are compatible to Compaq CQ62 and Compaq G42 batteries. Compaq Presario replacement batteries are 100 percent compatible with all of these systems.
The Compaq Presario CQ42 was considered an entry level notebook when it debuted with independent tests reporting adequate, not overwhelming speed and processing power. One aspect of these notebooks did earn praise — battery life. Reviewers who tested the Compaq CQ42 reported battery life of two hours and 20 minutes for the six-cell lithium ion battery under grueling test conditions. When the notebook was used in typical fashion, the battery life was even longer. Installing a 12-cell battery will give you ample time to work on the notebook without fear of losing your work as a result of a drained battery. When selecting replacement batteries, you must make sure that the replacement battery matches the specifications of the original batteries. If you have the original battery, you should have it with you when searching for replacement batteries. If you don’t have the original battery, the next best option is to have the battery part number available. You can use this number to search for compatible batteries at USB Phone World.