241–250 of 492 posts
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A suitable UPS for that application costs less than $100.
Do you have any examples? I haven't seen what you're describing despite shopping UPSes, but something less than $100 that could last 10+ hours would be amazing. My $200 1500VA/1000W CyperPower UPS could handle a short one or two hour storm, but storms can last for 10+ hours here during the wet season. One long power outage could cost me a lot more than $1000 in basement damages (my basement is finished). A comparable…
Pila is great value.
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Not only in Germany, as per Commission Regulation EU 2016/631 systems under 800W are not regulated as power generating facilities - you just need a two-way meter installed on request by your power company and you're good to go.
Does the two-way meter have a way to prevent back feeding the grid in the event of a power outage? Having an unregulated device even under 800W seems like it could be dangerous to anybody working on the power lines.
Yes - such devices need a constant grid output to sync to. When the grid drops, their output drops. Furthermore, at 800W, it wouldn't be able to put any voltage onto the grid even if it tried to as it would get overloaded (it'll be trying to power up the entire neighborhood).
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Right. There are dozens of those things on Amazon, usually called a "power station". 1.1KWh costs about US$700. 2KWh costs about US$1000. This thing is 1.2KWh for $1000. "Reserve now ... Orders are expected start shipping by the end of 2025." Can't get funding? Or just testing demand without a real product? Nobody does Kickstarters for a me-too product. It has an "app" user interface, requiring both a cellular connec…
> It has an "app" user interface, requiring both a cellular connection and the service remaining in business. Plus it wants WiFi so it can receive "software updates". What could possibly go wrong? Do not be so dismissive so fast without reading. The FAQs and the website says that they have a local interface and requires no internet for controlling it. E.g from https://pilaenergy.com/tech-specs "While we think you’ll…
Definitely a product I've been thinking about... Lead-acid based UPC products have lingered on way too long into the lithium battery age. I had a lead-acid based UPS which I plugged one DSL modem and my cordless telephone base station into the wall which would give me 3 days of modern communications into a power outage, which happens quite frequently in my location. Once my DSL got upgraded to fiber-to-the-node (with…
Sounds like you need Starlink.
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> it'll stay cold enough on its own for a day without power as long as you don't open it much. Food in an unpowered fridge will be unsafe within 4 hours: https://www.foodsafety.gov/food-safety-charts/food-safety-du...
> will be unsafe That is absolute BS - food is considered unsafe after the food itself spends 4 hours above 40*f, so the website you’re linking to assumes a fridge and everything in it immediately warms to 41+* upon losing power? Physics doesn’t work that way….
Anecdotally my parents had a fridge fail recently and the food heated up alarmingly quickly.
I definitely like it. I experience regular outages and have a whole home generator because of it. But that takes time and isn't cleat. So this is basically how I already have everything set up, with ~6 UPSs scattered around. And I have looked at the whole home systems to get away from that. But the mesh with smart features is definitely interesting. Does it have any power cleaning functionality? I have occasional iss…
Automatic load shedding will be configured by appliance priority we were thinking, but open to feedback. The fridge should go out last, the wifi first.
We're using a 1.6kWh LiFePo! Replacement is something we're working hard on, I unfortunately can't speak to that until we're closer to shipping (Q3/Q4).
There are 4 outlets btw - 2 on the front, 2 on the back. Plus 4 USB-C outlets that output 100W DC. 100% we are planning something more substantial (240V is also requested a lot), but we're only launching with 1 SKU that fits a lot of use cases for now.
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At first I thought it was some kind of UPS that would automatically "inject" AC to the house when it detected that there was no current in the mains (hence the connection to mains). But it seems it is just a glorified UPS... is that what the tesla "Wall" is?
A "no Electrician required" device that plugs into your wall and back-feeds power is a HUGE safety issue, and a HUGE no-no. Half the problem with home-generation is a cutoff/sync device that synchronizes the frequency of your local generation with the grid, and kills power going back into the grid from your home generator when there is an outage, so line workers can do their jobs safely. And unless there is a more ex…
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A "no Electrician required" device that plugs into your wall and back-feeds power is a HUGE safety issue, and a HUGE no-no. Half the problem with home-generation is a cutoff/sync device that synchronizes the frequency of your local generation with the grid, and kills power going back into the grid from your home generator when there is an outage, so line workers can do their jobs safely. And unless there is a more ex…
There is some merit to using it with appliances like refrigerators and washing machines. No backfeeding needed.