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Are you implying that if I get two of these, it wouldn't be able to power my house in an outage?
Not OP but I have the Bluetti AC300 (2000w, 3000w peak). I love it and run three circuits in my house. One circuit is my fridge and freezer, another is tv and lights, and last is my primary bedroom w/ a Midea inverter window AC. I run 1200w solar into the unit, and my entire power draw is around 900w peak for all that. During the day (when it's hot and sunny) my solar keeps up and I'm good. During night, I have an EV and can run inverter from that into the Bluetti to keep full charge. This setup lets me be very comfortable and can go about two weeks w/out power.
Not OP but I have the Bluetti AC300 (2000w, 3000w peak). I love it and run three circuits in my house. One circuit is my fridge and freezer, another is tv and lights, and last is my primary bedroom w/ a Midea inverter window AC. I run 1200w solar into the unit, and my entire power draw is around 900w peak for all that. During the day (when it's hot and sunny) my solar keeps up and I'm good. During night, I have an EV and can run inverter from that into the Bluetti to keep full charge. This setup lets me be very comfortable and can go about two weeks w/out power.
Without the EV, how long does it last?
My solar is wired to the grid, so would it make sense to just charge these from the wall outlet?
My solar DYI setup knowledge is extremely limited atm since I didn't think I was going to do a battery backup setup
Are you implying that if I get two of these, it wouldn't be able to power my house in an outage?
It depends upon your draw and resistive loads. There are calc out there but if you run 2 in parallel 4kw nominal is not that much, most likely won't be able to power HVAC but YMMV. You would probably need to wire in an ATS and then choose the circuits to protect or an manual version but at that point you are spending $5k + switch and you can get a generator that does 4kw all day for $500 or 10x smaller cost.
There is no ROI to that, unless you were using these as an ESS then their MAY be an ROI in say a super expensive power state over 40c kwh when paired w/ solar.
Personally on my solar tariff vTOU there is no ESS that makes financial sense at all, so I put in a generator for $700 and call it a day. At some point maybe my 3 EV will do V2G and then these devices become obsolete for many.
My solar is wired to the grid, so would it make sense to just charge these from the wall outlet?
My solar DYI setup knowledge is extremely limited atm since I didn't think I was going to do a battery backup setup
This device is an odd duck, pretty limited in scope. This can only take 1200W solar input which if you have a solar setup most likely is over 1.2kw. If that is the case this is useless because if you go off grid in a power outage you then have to shunt all but a few panels or you simply charge it from mains. If you dont have panel micro inverters this is likely not possible, and even so there is a great deal of engineering and safety that needs to go into this. If you are wired directly to the grid the solar egress is likely north of your main panel and in this case 100% if power sense goes off (your utility) the solar system entirely shunts and shuts down as to not backfeed into the grid (and say kill people).
Converting a solar array with no ESS setup into an offgrid setup is not simple and you should have a professional do it. In my jurisdiction you cannot do this without a permit because if you mess this up you can energize the grid or destroy your solar array because the inverter must be able to handle 120% of max array output. You can't just shunt generated capacity it has to go somewhere.
Last edited by elefante72 July 6, 2023 at 02:54 PM.
This device is an odd duck, pretty limited in scope. This can only take 1200W solar input which if you have a solar setup most likely is over 1.2kw. If that is the case this is useless because if you go off grid in a power outage you then have to shunt all but a few panels or you simply charge it from mains. If you dont have panel micro inverters this is likely not possible, and even so there is a great deal of engineering and safety that needs to go into this. If you are wired directly to the grid the solar egress is likely north of your main panel and in this case 100% if power sense goes off (your utility) the solar system entirely shunts and shuts down as to not backfeed into the grid (and say kill people).
Converting a solar array with no ESS setup into an offgrid setup is not simple and you should have a professional do it. In my jurisdiction you cannot do this without a permit because if you mess this up you can energize the grid or destroy your solar array because the inverter must be able to handle 120% of max array output. You can't just shunt generated capacity it has to go somewhere.
Thank you. I also spoke to my solar people and they said get a professional with a million dollar liability insurance.
Guess I'm not doing this myself with Internet guidance lol
Are you implying that if I get two of these, it wouldn't be able to power my house in an outage?
Sort of. Think of the inverter as the output since most devices require AC. In terms of the water tower analogy, 5.1kWh is a lot of water in the water tower but the amount it's letting out at a set time is 2kw. The average Air Conditioning Condenser is roughly 8A which is 2kw peak if not higher. If you want to power your whole house, you should hire a professional and probably looking to hook up a few of these.
Sort of. Think of the inverter as the output since most devices require AC. In terms of the water tower analogy, 5.1kWh is a lot of water in the water tower but the amount it's letting out at a set time is 2kw. The average Air Conditioning Condenser is roughly 8A which is 2kw peak if not higher. If you want to power your whole house, you should hire a professional and probably looking to hook up a few of these.
These do not do 240v so no hvac. Not sure getting a professional would change that.
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in for one. $2575 total shipped. $2575*70% federal tax rebate = $1802
$1802 / 5.1 kwh = $0.353 / watt.
Seems pretty good. Am I missing anything?
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My solar is wired to the grid, so would it make sense to just charge these from the wall outlet?
My solar DYI setup knowledge is extremely limited atm since I didn't think I was going to do a battery backup setup
There is no ROI to that, unless you were using these as an ESS then their MAY be an ROI in say a super expensive power state over 40c kwh when paired w/ solar.
Personally on my solar tariff vTOU there is no ESS that makes financial sense at all, so I put in a generator for $700 and call it a day. At some point maybe my 3 EV will do V2G and then these devices become obsolete for many.
My solar is wired to the grid, so would it make sense to just charge these from the wall outlet?
My solar DYI setup knowledge is extremely limited atm since I didn't think I was going to do a battery backup setup
Converting a solar array with no ESS setup into an offgrid setup is not simple and you should have a professional do it. In my jurisdiction you cannot do this without a permit because if you mess this up you can energize the grid or destroy your solar array because the inverter must be able to handle 120% of max array output. You can't just shunt generated capacity it has to go somewhere.
Converting a solar array with no ESS setup into an offgrid setup is not simple and you should have a professional do it. In my jurisdiction you cannot do this without a permit because if you mess this up you can energize the grid or destroy your solar array because the inverter must be able to handle 120% of max array output. You can't just shunt generated capacity it has to go somewhere.
Guess I'm not doing this myself with Internet guidance lol
in for one. $2575 total shipped. $2575*70% federal tax rebate = $1802
$1802 / 5.1 kwh = $0.353 / watt.
Seems pretty good. Am I missing anything?
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Join The Conversation
Share your experience with the Slickdeals community
Share information with the community. Please follow our Community Guidelines and be kind!