http://www.evwest.com/catalog/product_info.php?cPath=4&products_id=463&osCsid=92ratghhgkdj5hcp9q2he724m0
they cant ship them to the uk tho ;(
you dont take the cells out the packs tho you just wire them up and use the software/ custom hardware to use them as is$4 per cell for used ones, doesn't sound like a particularly good deal. NKON have new 3400mA cells for $4.
These electric car batteries are generally warrantied to last 8 years to 75% of capacity when moderately used, so 10 years to a little lower capacity, say 70%, or 15 years to 55% capacity is possible.My surprise is that he expects to get 10-15 years service out of the Tesla battery.