Well it's just the one you can get through Dell during choosing system options. There are no pictures or brand names there, but it may be the same as the one I found in the Dell store (Interlink Electronics).
http://accessories.us.dell.com/sna/p...4&sku=A0691231
I say "maybe" because it costs $59 in my cart but direct from the store it is $42.49. Now sure why they would charge more when you buy a system with it.
Reviews look fairly good, the main complaint being that it sticks out a little, which I don't think would bother me at all.
*Edit* Read you post again and I bet we're talking about the same one. I could see how it would be annying to some for it to stick out, but really you shouldn't ever leave something installed charging all the time or eventually the battery will fail anyway. Same reason I occasionally discharge my laptop battery and over long periods of time I will either unplug it or remove it altogether. I only see using mine when watching a blu-ray movie anyway, and since I don't own any that would be rarely :P
