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expired Posted by Kachur • May 17, 2023
expired Posted by Kachur • May 17, 2023

Refurbished BLUETTI EB3A 600W 268Wh Portable Power Station LiFePO4 with solar cable, 2 yr warranty $140.80

$141

$379

62% off
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Ebay refurbished BLUETTI EB3A 600W 268Wh Portable Power Station LiFePO4 with solar cable and power cable, with 2 year warranty.
Sold by Bluetti, Shipping free, 30 day return.

https://www.ebay.com/itm/385255178369
Use coupon: DEALTWENTY

176-20%= 140.80 plus tax where applicable

I have one, used for camping, as UPS and for power outages powering small devices. Refurbished unit arrived like new condition.
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Ebay refurbished BLUETTI EB3A 600W 268Wh Portable Power Station LiFePO4 with solar cable and power cable, with 2 year warranty.
Sold by Bluetti, Shipping free, 30 day return.

https://www.ebay.com/itm/385255178369
Use coupon: DEALTWENTY

176-20%= 140.80 plus tax where applicable

I have one, used for camping, as UPS and for power outages powering small devices. Refurbished unit arrived like new condition.

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May 17, 2023
301 Posts
Joined Jul 2009
May 17, 2023
tyguide
May 17, 2023
301 Posts
I knew I had heard of some issues - anyone know if they have been addressed?
https://www.youtube.com/watch?v=_yoqa8XB5uw
1
May 17, 2023
86 Posts
Joined Apr 2013
May 17, 2023
bizzazz
May 17, 2023
86 Posts
Quote from tyguide :
I knew I had heard of some issues - anyone know if they have been addressed?
https://www.youtube.com/watch?v=_yoqa8XB5uw
They have not been addressed. I have one on the latest firmware and it will only charge when it's really sunny. My other unit from a different brand will charge (slowly) when it's cloudy. This one... nothing unless the sun is beating down on it.
Do not recommend.
1
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Original Poster
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May 17, 2023
1,814 Posts
Joined Feb 2004
May 17, 2023
Kachur
Original Poster
Pro
May 17, 2023
1,814 Posts
Quote from tyguide :
I knew I had heard of some issues - anyone know if they have been addressed?
https://www.youtube.com/watch?v=_yoqa8XB5uw
There is explanation for USB-C issue right there in the first comment, PD spec has gray areas where that de-walt adapter falls.
The power issue at the end is a non-issue - one needs to understand limitation of his equipment.
May 17, 2023
533 Posts
Joined Jan 2006
May 17, 2023
jericoholics
May 17, 2023
533 Posts
I was actually thinking about purchasing something like this and pairing it with the solar panel deal from Amazon to power some led lights for my backyard at night. Was planning on using a mechanical timer to trickle the battery to keep it on. Does anyone know if a unit like this is doable and if it has a pass through.
Original Poster
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May 17, 2023
1,814 Posts
Joined Feb 2004
May 17, 2023
Kachur
Original Poster
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May 17, 2023
1,814 Posts
May 17, 2023
2,783 Posts
Joined Nov 2014
May 17, 2023
ValueRanger
May 17, 2023
2,783 Posts
Quote from jericoholics :
I was actually thinking about purchasing something like this and pairing it with the solar panel deal from Amazon to power some led lights for my backyard at night. Was planning on using a mechanical timer to trickle the battery to keep it on. Does anyone know if a unit like this is doable and if it has a pass through.
Pairing this with a 200Ah Lifepo4 makes it a great small-to-mid power solve; but the retail market is too bloated right now. Look into what jehugarcia does on YouTube with 'homemade' batteries than can charge this, while solar does, as well as pass through and UPS. The next step up is the AC60 combined with the B80 from Bluetti; but that is very new and expensive, so this deal may be ideal. It appears to be refurbished via Bluetti or an official source approved by Bluetti; so maybe that equates to an even better bargain now.
May 17, 2023
533 Posts
Joined Jan 2006
May 17, 2023
jericoholics
May 17, 2023
533 Posts
Quote from ValueRanger :
Pairing this with a 200Ah Lifepo4 makes it a great small-to-mid power solve; but the retail market is too bloated right now. Look into what jehugarcia does on YouTube with 'homemade' batteries than can charge this, while solar does, as well as pass through and UPS. The next step up is the AC60 combined with the B80 from Bluetti; but that is very new and expensive, so this deal may be ideal. It appears to be refurbished via Bluetti or an official source approved by Bluetti; so maybe that equates to an even better bargain now.
Thanks for that. I'm very new in the space of DIY solar projects and would like to start off small and easy before I start going crazy with building my own pack. It seems that most of these units have pass through only on the dc or usb plugs.
1

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May 17, 2023
639 Posts
Joined May 2005
May 17, 2023
chadp
May 17, 2023
639 Posts
Quote from Shushera :
Refurbished Ecoflow has even better price and 5 yr warranty https://slickdeals.net/f/16657088-certified-refurbished-ecoflow-river-2-portable-power-station-256wh-143-65
I have one of the eb3a's from a previous deal and like it a lot. But you have a good point here. I looked it up on their site to be sure. But yeah, same warranty as their new product. That is probably enough to persuade me. I would probably go with the ecoflow if I were to do it again and knew what I now know.

But I think either of these are a great "toe dip" into the solar and battery box games.

I really like the idea of one or more of these and a 48 volt server rack battery or three to hook up to for more power. You would still be limited by your inverter size. But as you can see, lots of different angles here.
May 17, 2023
639 Posts
Joined May 2005
May 17, 2023
chadp
May 17, 2023
639 Posts
One thing I really like is it takes a regular computer tower power cord. No wall wort or power brick to take along.
May 17, 2023
1,880 Posts
Joined Apr 2007
May 17, 2023
topcho
May 17, 2023
1,880 Posts
Are either of these actually usable as an UPS?
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Original Poster
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May 17, 2023
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May 17, 2023
Kachur
Original Poster
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May 17, 2023
1,814 Posts
Quote from topcho :
Are either of these actually usable as an UPS?
Yes, all, in limited capacity. There is power dip of 30 ms (0.03 sec) during poer/battery switch and some devices might not like it. This does not happen with UPSes.
Vast majority of switching PSUs if they are not at peak capacity will work with no issues.

Also must size the unit not at peak output power but at charging power for PSU. About 200W will be the max for this unit.
Last edited by Shushera May 17, 2023 at 04:54 PM.
May 18, 2023
1,880 Posts
Joined Apr 2007
May 18, 2023
topcho
May 18, 2023
1,880 Posts
Quote from Shushera :
Yes, all, in limited capacity. There is power dip of 30 ms (0.03 sec) during poer/battery switch and some devices might not like it. This does not happen with UPSes.
Vast majority of switching PSUs if they are not at peak capacity will work with no issues.

Also must size the unit not at peak output power but at charging power for PSU. About 200W will be the max for this unit.
This is good news. I think 30ms is fine if you don't run the servers of Amtrak. I am tired of lead-acid UPS units that last 2-3 years.
Original Poster
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May 18, 2023
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May 18, 2023
Kachur
Original Poster
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May 18, 2023
1,814 Posts
Quote from topcho :
This is good news. I think 30ms is fine if you don't run the servers of Amtrak. I am tired of lead-acid UPS units that last 2-3 years.
My problem with "proper" UPSes is that they are designed for a relatively short run time (10-20-30 min) and therefore are not very efficient. The model I had would consume internal battery on it's own, nothing attached, within about 1 hour. They also tend to have slow charge rate, 5-10 hours. I need UPS to maintain my Fiber optic internet for at least several hours during outage and be able to charge it from the generator within few hours, better one. These units offer all that.
May 18, 2023
1,880 Posts
Joined Apr 2007
May 18, 2023
topcho
May 18, 2023
1,880 Posts
Quote from Shushera :
My problem with "proper" UPSes is that they are designed for a relatively short run time (10-20-30 min) and therefore are not very efficient. The model I had would consume internal battery on it's own, nothing attached, within about 1 hour. They also tend to have slow charge rate, 5-10 hours. I need UPS to maintain my Fiber optic internet for at least several hours during outage and be able to charge it from the generator within few hours, better one. These units offer all that.
Any benefit of Bluettie over Ecoflow in this regard that you are aware of?

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Original Poster
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May 18, 2023
1,814 Posts
Joined Feb 2004
May 18, 2023
Kachur
Original Poster
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May 18, 2023
1,814 Posts
Quote from topcho :
Any benefit of Bluettie over Ecoflow in this regard that you are aware of?
Dont know. But looks like Bluetti is sold out at that price so Ecoflow is the only option now - cheaper and better warranty ))

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