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popularDr.W posted Today 05:23 PM
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popularDr.W posted Today 05:23 PM

ECO-WORTHY 12V 280Ah LiFePO4 Battery 3584Wh 200A BMS, Bluetooth $240

$240

$1,122

78% off
AliExpress
13 Comments 1,492 Views
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ECO-WORTHY via AliExpress [aliexpress.com]

Ships from a USA warehouse. Shipping is free.

Apply the eCoupon ABC30A​ for $30 off at checkout

Final Price: $240 (Slightly cheaper than the current popular deal)

SPECS:
  • Capacity: 3584Wh (12.8V 280Ah)
  • Battery Type: LiFePO4 (6000+ deep cycles)
  • BMS: Built-in 200A with Bluetooth monitoring
  • Max Discharge: 200A continuous
  • Max Charge: 160A continuous
  • Low Temp Protection: Yes
  • Expandable: Up to 4S4P (57.3kWh max)
  • Dimensions: 17.8"x9.37"x8.7"
  • Weight: 62.8 lbs (28.5kg)

https://www.aliexpress.com/item/1...78534.html
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About the Poster
Deal Details
Community Notes
About the Poster
ECO-WORTHY via AliExpress [aliexpress.com]

Ships from a USA warehouse. Shipping is free.

Apply the eCoupon ABC30A​ for $30 off at checkout

Final Price: $240 (Slightly cheaper than the current popular deal)

SPECS:
  • Capacity: 3584Wh (12.8V 280Ah)
  • Battery Type: LiFePO4 (6000+ deep cycles)
  • BMS: Built-in 200A with Bluetooth monitoring
  • Max Discharge: 200A continuous
  • Max Charge: 160A continuous
  • Low Temp Protection: Yes
  • Expandable: Up to 4S4P (57.3kWh max)
  • Dimensions: 17.8"x9.37"x8.7"
  • Weight: 62.8 lbs (28.5kg)

https://www.aliexpress.com/item/1...78534.html

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13 Comments

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Today 05:35 PM
728 Posts
Joined Feb 2011
jenesuispasbavaToday 05:35 PM
728 Posts
I've been using one of these as a DIY expansion battery (planning to buy a second to put in parallel) with my Ecoflow Delta Pro 3 for a couple months now, spectacular price/kWh compared to the official expansion battery. Needs more equipment than just the battery, but the extra stuff has more uses too. I've got the Ecoflow 800W alternator charger between the Delta Pro 3 and Ecoworthy 12V battery, and it does bidirectional charging (there's a "charge" and "reverse charge" setting).

The Delta Pro 3 charges from 400W solar panels, and if it's getting full I just "reverse charge" the 12V battery via the alternator charger. When they're both nearly full I'll charge my car from the Delta Pro 3, while the alternator charger is in "charge" mode discharging the 12V battery and charging the Delta Pro 3.

Mainly bought the setup for use during power outages, but when there's no outage it covers my commute every week lol.
Last edited by jenesuispasbava January 16, 2026 at 11:57 AM.
2
Today 05:53 PM
705 Posts
Joined Nov 2016
alan11Today 05:53 PM
705 Posts
Quote from jenesuispasbava :
I've been using one of these as a DIY expansion battery with my Ecoflow Delta Pro 3 for a couple months now, spectacular price/kWh compared to the official expansion battery. Needs more equipment than just the battery, but the extra stuff has more uses too. I've got the Ecoflow 800W alternator charger between the Delta Pro 3 and Ecoworthy 12V battery, and it does bidirectional charging (there's a "charge" and "reverse charge" setting).

The Delta Pro 3 charges from 400W solar panels, and if it's getting full I just "reverse charge" the 12V battery via the alternator charger. When they're both nearly full I'll charge my car from the Delta Pro 3, while the alternator charger is in "charge" mode discharging the 12V battery and charging the Delta Pro 3.

Mainly bought the setup for use during power outages, but when there's no outage it covers my commute every week lol.
your car EV or gas?
1
Today 05:55 PM
200 Posts
Joined Mar 2014
BlurryEyedToday 05:55 PM
200 Posts
Very happy with my 150 mah 12V metal case from Eco Worthy. They're good batteries.
Today 06:05 PM
1,563 Posts
Joined Jan 2007
hitman007Today 06:05 PM
1,563 Posts
Any good deal on 48v batteries . Ecoflow can be modded to support bi directional charging/discharging on those as voltage etc is same as internal.
Today 06:15 PM
728 Posts
Joined Feb 2011
jenesuispasbavaToday 06:15 PM
728 Posts
Quote from alan11 :
your car EV or gas?
Unfortunately I don't have a gasoline refinery in my backyard, but I do have solar panels and a battery (both cars are EVs).
1
Today 06:25 PM
705 Posts
Joined Nov 2016
alan11Today 06:25 PM
705 Posts
Quote from jenesuispasbava :
Unfortunately I don't have a gasoline refinery in my backyard, but I do have solar panels and a battery (both cars are EVs).
thx
Today 06:59 PM
972 Posts
Joined Jun 2009
greenshellToday 06:59 PM
972 Posts
Thanks, bought another one other than the one from couple days ago.

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Today 07:13 PM
493 Posts
Joined Sep 2007
mannyvToday 07:13 PM
493 Posts
Picked up 2. I'm slowly building a solar system, and the price per kwh is just too good.
Today 07:51 PM
244 Posts
Joined Jul 2013
MannyforeverToday 07:51 PM
244 Posts
Got them around Christmas when they were $220-230. I first purchase 2 that work with third party Bluetooth apps, then purchase 2 more and they don't work with third-party apps like Overkill. 3 of them balance fine but 1 of them not so great. Low cell is 3.41, high is 3.52. According to the manual, eco-worthy says it's normal delta variance.
Last edited by Mannyforever January 16, 2026 at 12:55 PM.
Today 07:58 PM
670 Posts
Joined Sep 2007
LomicToday 07:58 PM
670 Posts
Quote from Mannyforever :
Got them around Christmas when they were $220-230. I first purchase 2 that work with third party Bluetooth apps, then purchase 2 more and they don't work with third-party apps like Overkill. 3 of them balance fine but 1 of them not so great. Low cell is 3.41, high is 3.52. According to the manual, eco-worthy says it's normal delta variance.
One of the two of these I purchased lost BT "permanently" when I moved out of BT range while using the official app, and neither the official app nor any other could connect again. I was able to fix this by draining the battery all the way, letting it sit for a couple days, then starting to re-charge it with the Ecoworthy smart charger. After a few minutes of charging the BMS reset and I was able to connect to my Raspberry Pi/Home Assistant where the connections have been solid since.

Not necessarily your issue, but in case it might be.
Today 08:09 PM
1 Posts
Joined Jan 2026
ScarletMarmot121Today 08:09 PM
1 Posts
I need to replace my sump pump backup system battery. Is this battery suitable for that application? I usually have 1-2 power outages a year so battery won't see a lot of discharge cycles.
Today 08:39 PM
97 Posts
Joined Apr 2012
eazye79Today 08:39 PM
97 Posts
In for one, again. The first one I got has been great in my RV. Gonna add another one because I have a residential fridge and boondock a lot. It charged me tax in California, so total was $267
Today 08:54 PM
310 Posts
Joined Dec 2014
vsluongToday 08:54 PM
310 Posts
Quote from hitman007 :
Any good deal on 48v batteries . Ecoflow can be modded to support bi directional charging/discharging on those as voltage etc is same as internal.
I saw a 48v 100ah golf cart battery on here

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