Some customers are wondering why some batteries Dell distributed during this time period are part of the recall and why other batteries are not. Dell uses multiple suppliers and multiple battery pack form factors so not every battery is affected. This recall is specific to battery packs produced with Sony cells. If you have a battery that is not included in the recall, you can feel confident it is ok.
The quickest way to find out if your battery is part of the recall is to check the battery recall site.
Please remember to use the number "0" (zero) instead of the letter "O. CORRECTION: Please see updated blog post about entering battery ID numbers.