How do I Test a Compaq Laptop 104690-B21 Battery?
HP Compaq laptop computers are equipped with a 104690-B21 smart battery. You can test the status of this battery via a program designed specifically by HP for your laptop. This is useful if you would like to know exactly how much life is left in your battery. The program is free from HP and is easy to use, even if you are a computer novice. Log onto your Internet browser and navigate to the battery information page on HP’s support website (see References). Click on the “HP Battery Check Link” on the page and follow the instructions to download the HP Battery Check program onto your computer. Select the “Run” option when the program is finished downloading and follow the prompts on screen. Connect your AC power adapter when prompted and make sure the pronged end is plugged into a functional wall outlet. Click the “Start” tab in the lower corner of your computer’s desktop screen and then select “All Programs.” Select “HP Battery Check” and a window will appear detailing the results of yo
