Different slice battery product codes - all the same product or at least compatible ?

I recently purchased a Precision M6800 (probably one of the last ) and now want to add an external slice-type battery. I did some searches on DELL web sites (my local Belgium one and some international ones) and on the www. This resulted in several product codes for what seem to be the same, or at least similar products: 451-11831 / 451-BBGJ / 312-1351. Can anyone tell me if those are all the same, or at least compatible products ? And more importantly: is any of those (or all 3) really the slice-type battery I am looking for to attach to the docking connector of my M6800 ?

Erik "De LoRRe" Laurent


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