Help Tips:
For a new laptop battery,if the system says not identify it. Generally, we need to update the BIOS of the laptop, and open the hardware automatic identification port of your laptop.

There are some knowledge about the new sony laptop battery, you can do it to best your new battery performance as the following:When you use it firstly, you need to full discharge till the laptop shut off, then charge it about 11 hours. Usually, new battery need to fully discharge and charge for three or four times, which can achieve the best performance.

About the new battery, power adapter should be cut off until the computer shutdown. please set the power management of your Sony laptop: Property -> Screen Saver -> power -> Power scheme -> Portable / Laptop -> please cancel about low battery alarm and serious shortage of battery alarm when use the battery.

You could try to take out the battery from your laptop, and put it back again, repeat several times. Make sure that it isn’t a poor contact problem between the battery and your laptop.

You must first discharge your laptop battery until the computer turns off , then after 100% fully charged only once to calibrate it. After that, you can connect and disconnect the power adapter when the battery is at any charge level. In addition, after a period of time, you can fully charge and then discharge your battery only once to calibrate the battery power statistics under control of protection circuit, but this will not improve your time capacity of the battery.