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expired Posted by Izzy138 | Staff • Apr 1, 2025
expired Posted by Izzy138 | Staff • Apr 1, 2025

ECO-WORTHY 14kWh 48V 280AH LiFePO4 Solar Battery Backup w/ 200A BMS $2250 + Free Shipping

$2,250

$2,600

13% off
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eco-worthy-us via eBay [ebay.com] has ECO-WORTHY 14kWh 48V 280AH LiFePO4 Vertical Standing Solar Battery Backup w/ 200A BMS on sale for $2,399.99 - $150 with coupon code ECOUSAHOMEGARDE at checkout = $2,249.99. Shipping is free.
  • Note: This is for a Battery System Only and will require connectors and a compatible power system (such as a inverter) in order to function.
About this Item:
  • Battery Capacity: 280Ah
  • Battery Power: 14336Wh
  • Rated Voltage: 51.2V
  • Voltage Range: 40~58.4V
  • Maximum Charge/ Discharge Current: 200A
  • Charge Temperature Range: 0-55℃
  • Discharge Temperature Range:﹣20-55℃
  • Maximum Charge Voltage: 58.4V
  • Screw size: M8
  • Battery Size: 23.62x10.31x30.79in
  • Battery Weight: 297.6lb/135kg
  • Max. parallel units: 15
  • Connectors: RS232 / CAN / RS485
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
eco-worthy-us via eBay [ebay.com] has ECO-WORTHY 14kWh 48V 280AH LiFePO4 Vertical Standing Solar Battery Backup w/ 200A BMS on sale for $2,399.99 - $150 with coupon code ECOUSAHOMEGARDE at checkout = $2,249.99. Shipping is free.
  • Note: This is for a Battery System Only and will require connectors and a compatible power system (such as a inverter) in order to function.
About this Item:
  • Battery Capacity: 280Ah
  • Battery Power: 14336Wh
  • Rated Voltage: 51.2V
  • Voltage Range: 40~58.4V
  • Maximum Charge/ Discharge Current: 200A
  • Charge Temperature Range: 0-55℃
  • Discharge Temperature Range:﹣20-55℃
  • Maximum Charge Voltage: 58.4V
  • Screw size: M8
  • Battery Size: 23.62x10.31x30.79in
  • Battery Weight: 297.6lb/135kg
  • Max. parallel units: 15
  • Connectors: RS232 / CAN / RS485

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42 Comments

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Apr 2, 2025
1,207 Posts
Joined Jul 2009
Apr 2, 2025
ViciousXUSMC
Apr 2, 2025
1,207 Posts
Quote from jeremyhuytran :
I wonder why they cant just slap a ac breaker to this big boy. I want to shutdown the battery quickly in any cases
It does have a breaker, at least every similar battery I have seen.

Also don't use AC breakers for DC power.
Apr 2, 2025
38 Posts
Joined Apr 2007
Apr 2, 2025
sexghost
Apr 2, 2025
38 Posts
can i connect it to my existing tesla converter and battery ? i have an existing tesla system.
Pro
Apr 2, 2025
8,659 Posts
Joined Nov 2006
Apr 2, 2025
infin8007
Pro
Apr 2, 2025
8,659 Posts
when i get my egolf back on the road, can this be used to do something like recharge the battery?
Apr 2, 2025
388 Posts
Joined Feb 2010
Apr 2, 2025
allusuc
Apr 2, 2025
388 Posts
How do I get something like this to connect to my powerwall? Any idea? Or is this not even worth it?
1
Apr 2, 2025
102 Posts
Joined Feb 2015
Apr 2, 2025
chandleya
Apr 2, 2025
102 Posts
Quote from nicedog :
What else do I need if I just need to power my fridge for a few days? Can someone please advise? Thank you.
This is a component of a complex system, relative to what you're trying to achieve.
1
Pro
Apr 2, 2025
12,194 Posts
Joined Nov 2010
Apr 2, 2025
PeteyTheStriker
Pro
Apr 2, 2025
12,194 Posts
Quote from allusuc :
How do I get something like this to connect to my powerwall? Any idea? Or is this not even worth it?
A EG4 Gridboss unit should work to combine the systems, but since these are not UL listed per some of the comments here, you wont be able to use them legally in a permitted grid tie in system. Something you would have to double check on depending on your state and current configuration.
Apr 2, 2025
170 Posts
Joined Nov 2012
Apr 2, 2025
JakeS5663
Apr 2, 2025
170 Posts
Quote from z00mz00m :
Any chance this will be under $2000 in the future?
Maybe? The price of these is always coming down, but people forget (or don't want to mention) that with lithium we will soon get double-hit on tariffs. You get President Trump's China tariff now and in 2026 the Biden tariffs go up from 7.5% to 25% on non-EV lithium. Hopefully, before then the trade wars will settle, but the future is looking expensive for home energy storage.
1

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Apr 2, 2025
687 Posts
Joined Oct 2007
Apr 2, 2025
z00mz00m
Apr 2, 2025
687 Posts
Quote from sexghost :
can i connect it to my existing tesla converter and battery ? i have an existing tesla system.
I have Tesla Solar System with 2 PW.

If you touch Tesla system with a non certified Tesla installer, it might void your warranty. If you used a certified installer + getting a permit, it will be expensive $$. Plus it's not UL certified so it might be issue with home insurance if something were to happened.

For me, I'm consider getting this + inverter to charge my EV from my second solar system Enphase micro inverter.
1
Apr 2, 2025
509 Posts
Joined Feb 2007
Apr 2, 2025
im2bz2p
Apr 2, 2025
509 Posts
Hi all. I have this eBay coupon available if anyone wants to sweeten this deal (or needs something else): https://slickdeals.net/e/7522872-official-trading-thread-you-must-read-the-1st-page-before-trading?v=1&p=176438536#post176438536
1
Apr 3, 2025
552 Posts
Joined Jan 2010
Apr 3, 2025
fedex
Apr 3, 2025
552 Posts
A few lbs shy of 300, glad it has wheels.
Apr 3, 2025
601 Posts
Joined Nov 2023
Apr 3, 2025
IdahoRoamingGnome
Apr 3, 2025
601 Posts
Quote from andrewb6112 :
What grade cells are these? Are they UL listed yet?
Hobotech did a server rack battery review on youtube recently and mentioned they're hoping to have UL by end of April.
1
Apr 3, 2025
1,641 Posts
Joined Feb 2015
Apr 3, 2025
kherbinoskie
Apr 3, 2025
1,641 Posts
200A BMS is a bit low for its size.

But the price is good if you are not going to use it on a 10kw load.
Apr 3, 2025
13,730 Posts
Joined Aug 2004
Apr 3, 2025
avalon
Apr 3, 2025
13,730 Posts
seems like a good thread to ask if there are small inverters out there that also act like a UPS, charge the battery and still pass on 110AC but switch to battery when power loss

basically just add battery to inverter?

is it called something else or am I searching wrong
1
Apr 3, 2025
269 Posts
Joined Sep 2014
Apr 3, 2025
Comcastrated
Apr 3, 2025
269 Posts
Quote from StrategyFreak :
Possibly, if you want the best $/Wh the 12V 280Ah category is the best. However expect all of these to be hit hard with the tariffs
Wasn't there already a 20% tariff put in place in February or something? Not to suggest prices won't increase, but do we need to panic about significant price increases here?
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Apr 3, 2025
1,345 Posts
Joined Dec 2005
Apr 3, 2025
alphawave
Apr 3, 2025
1,345 Posts
Quote from IdahoRoamingGnome :
Hobotech did a server rack battery review on youtube recently and mentioned they're hoping to have UL by end of April.
Each device made needs UL submission, not just cells...there is no word on UL submissions for anything other than the server rack battery @ 100A. I asked about the new (yet to be released) 50A server rack, and it was a 'maybe'. Early May is what we've been told for the 100A, so a month away, and this 100A server rack will be EW first battery with UL listing.

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