Replacement Battery Part No. Dell:

09VJ64 0FP4VJ 451-11473 CEF2H CFF2H

Replacement Laptop Machine Part No. Dell:

Inspiron M301 Inspiron M301z Inspiron M301ZD Inspiron M301ZR Inspiron N301 Inspiron N301Z Inspiron N301ZD Inspiron N301ZR

Make your Dell Inspiron M301z battery last longer:

1. Should I totally discharge and recharge my Dell Inspiron M301z battery occasionally to make it last longer?
   A: No, discharging and charging does not increase the life of a Li-ion Dell Inspiron M301z. 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 Inspiron M301z battery become useless if I leave it unused for a long time?
   A: Basically, yes. We suggest you to charge or discharge the Dell Inspiron M301z 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 Inspiron M301z 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 Inspiron M301z in a place with recommended storage temperature of 15°C (59°F).