Question:””Your battery is temporarily disabled. Please turn off your computer and try again when the unit is back to the operational temperature””

Answer:”If removing and reconnecting the battery did not help,try updating the BIOS on your system using this link below :

http://www.dell.com/support/drivers/us/en/19/DriverDetails/Product/xps-15z?driverId=2M3N1&osCode=W764&fileId=2731104281

Note:While updating BIOS the replacement dell AC adapter should be plugged in and battery should have more than 10 % charge.Also disconnect all external peripherals (such as USB devices) from the system.

If the issue persists even after updating BIOS and if the system works fine,without shutting down only with the AC adapter connected(without the battery),than you will need to get the xps 15z battery replaced.System battery comes with one year of warranty.”
in addition,pls Pay attention to Dell XPS 15Z battery maintenance:

Dell XPS 15Z battery life not by the length of the total use of time, but by the charge and discharge times to decide. This dell 15z notebook is the importance of maintenance. If you always to the laptop without the battery installed to take down, even if the machine off and remove the AC power after the battery is not like the thought kept as fully charged state. because the Dell XPS 14Z battery in the integrated control circuit, so even when the power is also turned off the computer power. As one connected to AC power, the battery will start charging, when on or off, your Dell laptop battery is repeatedly charged and discharged will affect dell 1525 battery life.

Therefore, when using the AC external power supply is best to unplug the xps 15z battery, laptop battery for a long time in the heat or the state of their life affected. To maintain the battery for the long term do not, charge and discharge at least once a month to ensure that its activity. In the custody of the battery when there is a need for attention.Currently, the vast majority of laptop lithium-ion batteries used in a long time if not used, often prone to over-ischarge phenomena, may no longer be able to charge laptop batteries. In order to prevent over-discharge, charge state in half to save it in a cool dry place, and then every six months, then half of its electricity to the state of charge.