Replacement Battery Part No. Dell:

08PGNG 0J70W7 0JWPHF 0R4CN5 312-1123 8PGNG 991T2021F 999T2128F AHA63226267 AHA63226268 AHA63226270 AHA63226276 AHA63226277 J70W7 JWPHFP09E P09E001 P09E002 P11F P11F001 P12G P12G001 R4CN5 WHXY3

Replacement Laptop Machine Part No. Dell:

XPS 14 XPS 14 (L401X) XPS 15 XPS 15 (L501X) XPS 17 XPS 17 (L701X) XPS L401X XPS L501X XPS L502X XPS L701X XPS L702X

Make your Dell XPS 15 battery last longer:

1. Should I totally discharge and recharge my Dell XPS 15 battery occasionally to make it last longer?
   A: No, discharging and charging does not increase the life of a Li-ion Dell XPS 15. And with current Li-ion batteries this practice does not improve the runtime of the battery. This practice is a holdover from the days in which NiMH batteries were used.
2. How do I get the most runtime for a charge?
   A: It is important to choose settings which allow you to obtain the most runtime from your notebook. Examples to consider: timeout settings for the hard drive, Bluetooth, wireless, LCD brightness, etc.
3. Will my Dell XPS 15 battery become useless if I leave it unused for a long time?
   A: Basically, yes. We suggest you to charge or discharge the Dell XPS 15 laptop battery to 40 - 60% capacity using your Windows operating system power meter, then remove it from your system. Then Store it in a standard office environment, away from extreme temperatures. However, fully charge and remove battery from Dell XPS 15 laptop before leave it unused for a month or longer. It's better to use your battery at least once a week for keeping it works well.
4. What is the best temperature for battery storage?
   A: Because very hot or cold conditions could affect a battery's performance,you'd better store the Dell XPS 15 in a place with recommended storage temperature of 15°C (59°F).