Tesla Power Wall
Posted by: Minh Nguyen on 29 March 2018
Looks interesting, especially for those with solar panels. The Tesla Power Wall stores enough juice to power a house for 24 hours at a modest cost of £5,000 and an extra £2,000 for installation. Sounds Interesting, especially as a dedicated power source for hifi.
Minh Nguyen posted:
Sounds Interesting, especially as a dedicated power source for hifi.
I wouldn't bet on it Minh - Noise from the inverter and its ability to provide a stiff, low impedance mains source may compromise rather than help performance. Especially with Naim kit.
James
Ah, that's a shame James - was eyeing one of these up. Not sure they are on sale yet in the UK?
On the other hand if you have dedicated mains for the Hi-Fi you could just run the rest of the house off the Power Wall instead 
You've got me intrigued now - Must have a dig around and see how these things are connected in to the house supply.
£7,000 for just 24 hours seems a bit steep.
I'm waiting for old batteries out of Tesla cars to be available for re-purposing as static storage. Even at 30% of original capacity they will be higher capacity than the PowerWalls. They'll have long second life until they are eventually recycled.
I believe you do need solar panels for the Power Wall
winkyincanada posted:I'm waiting for old batteries out of Tesla cars to be available for re-purposing as static storage. Even at 30% of original capacity they will be higher capacity than the PowerWalls. They'll have long second life until they are eventually recycled.
You might have to wait a while. We had to kill some time in Cambridge a couple of weeks ago and I spent a few minutes talking Tesla cars in the showroom outside John Lewis. Amongst the many questions I asked was one concerning battery life. The salesman (obviously a paragon of virtue and rectitude) replied that batteries had been tested over 300,000 miles (something more than 20 years of motoring) without needing a replacement. I did not ask what the replacement criterion was, though.
Perhaps Tesla will offer upgrade packs to owners freeing up batteries earlier than expected?
I've been looking into the various options from Tesla, Samsung etc for the last 18 months.
First concern, twenty years or so to pay for itself. And in the meantime the tech will improve out of all recognition.
Second concern, I've read about the battery cells losing a large amount of their storage potential within the first year. Which would be a real bummer.
On a a positive note, in some installations they can keep your pad powered during an outage.
I'll avoid for now, and just try to keep using our solar wisely.
Nick from Suffolk posted:winkyincanada posted:I'm waiting for old batteries out of Tesla cars to be available for re-purposing as static storage. Even at 30% of original capacity they will be higher capacity than the PowerWalls. They'll have long second life until they are eventually recycled.
You might have to wait a while. We had to kill some time in Cambridge a couple of weeks ago and I spent a few minutes talking Tesla cars in the showroom outside John Lewis. Amongst the many questions I asked was one concerning battery life. The salesman (obviously a paragon of virtue and rectitude) replied that batteries had been tested over 300,000 miles (something more than 20 years of motoring) without needing a replacement. I did not ask what the replacement criterion was, though.
Perhaps Tesla will offer upgrade packs to owners freeing up batteries earlier than expected?
That might be stretching it a bit, but they do seem to be lasting well. Nearly every Tesla battery is still under warranty, as far as I know. Maybe some of the early ones are just coming out.