Enginer's new products - Vehicle to Grid? Not quite but it's a step there.

I don't think V2G was ever intended to be gasoline to grid, or gasoline to power outlet (not synchronized with the grid). It's intended mainly for pure EVs with significant energy storage capacity, which the power utilities can use for load levelling. A true V2G would be able to pretty much instantaneously switch power directions (to / from the grid). It's not clear to me how this system will work. Maybe you just switch it manually from inverter to charger mode, but hopefully if you forget to switch it to charger mode and plug it in, it will quickly detect the mains and stop inverting. I don't see a clean way that they could do that, so there could be a splat when you first plug it in in this situation. Or maybe it's just an inverter, and it doesn't replace the charger at all. Edit: it seems like the inverter doesn't replace the charger at all.

 

I wonder if Jack includes an auto inverter shutdown via the BMS or not; it is needed for both low pack and low cell shut down. It would serve nicely for brief temporary power failure.

I have used simple 1kw 12vdc-115vac inverter from the 12v aux battery to power a few household circuit during occasional black out. It works just fine but have to make sure to leave the Prius on Ready mode so the engine would kick on to recharge the NiMh pack. Since these cheapy inverters produce modified sine wave, as opposed to pure sine wave, it can damage certain inductive devices, such as compressors and motors... Compact Fluorescent lights work fine fortunately.

 

if that new 48vdc to 110vac inverter exceed the $300.00 mark, it's to much

 

I too would disagree with the "for days" part, but if you have a newer efficient refrigerator they don't pull that much power over the course of the day, especially if you keep it closed (unlikely). A sump pump & computer probably don't pull much power, unless you have a lot of components running. Unfortunately, you'd really have to start cutting breakers to shut off power to other areas and/or run and unplug everything. Even then, you'd need a larger battery pack to go "for days" but for most people, if that happened, they'd already be looking for somewhere to go that has power, etc. I can see it as a good backup vs diesel or gasoline generator for a house, though. Just better hope your battery is topped up before you lose power.

Ironically, if power does go out, you'd be amazed at how much cooler a room can get just from that depending upon location, temps, etc. I remember being without power for 48 hours back in 2003 (i think) and my room was several degrees cooler because none of the electronics were running. They put off quite a bit of heat!