Most Dell laptop batteries have a test light/button that allows you to see how much charge the battery presently has and how many charge cycles are left in the lifetime of the battery.

To check the remaining battery charge, press the button & release. The number of lights that appear will tell you charge amount. If all 5 lights come on the battery is nearly 100% charged.   Read the rest of this entry »

PA-10 or PA-12: that is the question. The PA-12 charger is 65 Watts, the PA -10 is 90 watts. If your Latitude or Inspiron laptop came with a PA-12 you can use a PA-10 as well to charge your notebook battery. If you are going to use the Dell PR01X port replicator you must have the PA-10 as the PA-12 will not power the dock.

Some   Read the rest of this entry »