I wasn't able to come up with much on the forum. I popped my rear seat to take a look at how hard adding another charger to my recently purchased p85+ would be. Looks rather straight forward as far as install, but I'm wondering if there is a part number difference for "right side" and "left side". My p85+ is a mid September build, and the existing single on-board charger says "2gen p/n 1014963-00-G". Looking on ebay for chargers, I found two chargers: 1 and 2. the part number is the same, except the last number "C" and "L". I'm guessing its a part number generation, but not sure. The current on-board charger ends with "G". Yeah, I know I really don't need twin chargers.. but my last p85 had them, I like splitting the load between two chargers (regularly charge @ 50amps, 25/per charger to ease the load on each charger), I already setup my HPWC for 100amps and pulled wire. I figure if I can upgrade for ~$450, its worth it to me to have dual chargers. With new Tesla's coming with 72amp single chargers, I'd like to take advantage of any destination chargers while on the road. Thanks!