eco-worthy-us via eBay has
12-Volt 280AH Eco-Worthy LiFePo4 Lithium Iron Phosphate Battery w/ 6000 Cycles on sale for $474.99 - 20% off when you apply promo code
SHOPGIFTSEARLY at checkout =
$379.99.
Shipping is free.
Thanks to Deal Hunter
Meowssi for sharing this deal.
Specs:
- Battery capacity: 280Ah
- Battery power: 3584Wh
- Battery Voltage: 12.8V
- Max Charge Current: 160A
- Max Discharge Current: 200A
- Peak Point Current: 850A
- Max Charge Voltage: 14.6V
- Discharge cut-off VoltagE: 10V
- Battery Size (LxWxH): 17.8 x 9.37 x 8.7"
- Battery Weight: 61.7 lbs
- Number of Series and Parallel Connection: 4P4S
Features:
- LiFePO4 battery is lighter than Lead-Acid battery with the same capacity
- More convenient carrying, many mount directions, no leakage risk, safer usage
- Takes 14 hours to charge with 12V 20A LiFePO4 battery charger, about 6 hours to charge with 600w solar panel, and 14 hours to charge with 20A DC generator
- Has 3584Wh of energy, which can be expanded to 57.3kwh with 4 in series and 4 in parallel, perfect for RV, solar off-Grid system, boat, camper, marine, travel trailer, motor homes, etc
- Built-in 200A BMS, protect it from overcharge, over-discharge, charge over-current, discharge over-current, short-circuit, cell voltage self balance, high-temp discharge cut off
- Can be charged and discharged in 6000+ deep cycles, which is 3 times longer than lead-acid battery
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https://www.ebay.com/itm/126036129048?
It is $399 (+ tax) with the coupon code.
I'm getting 4 more, and doing a full hybrid inverter battery backup.
Ran these off a 1000w inverter for 16hrs during Milton before the inverter took a crap. Paralleled two batteries, ran two full size refrigerators, and it was still over 3/4 capacity per the inverter.
If you don't need the bluetooth BMS (which I don't, really), these are a smokin' deal.
Just trying to find an external BMS that I can use to monitor all 8.......
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Op, I highly recommend adding the Bluetooth version link to your post for $10 more it's just a no brainer.
For example, a common theory is there are no grade A cells in ANY of these cheap solar storage type batteries, Grade A are considered 'EV grade' and are destined to that application. The theory continues that since grade A is EV grade, all claims that storage grade batteries have 'grade A' cells is therefore false, and the grading itself is then unreliable. So, testers run discharge tests to compare stated output. I tend to think 'grade ABCDEFG' doesn't really matter much for storage, so long as the battery tests and performs to it's own claims....the rest is sales fodder.
"Looking at existing YT vids, the build quality appears sub-standard, typically uses JBD BMS's, prismatic cells, and I don't think there's any way, despite being 'sold' as Grade A, they could possibly be Grade A at this price point. This is a budget battery in all aspects, so set your expectations accordingly."
This comment was based off of DCGuys early teardown of a 100AH Ecoworthy. He was one of the few first YT'rs to post Eco Worthy and DCHouse (in fact one of the first to link the two 'companies') teardowns and analyses of these 'brands':
https://www.youtube.com/watch?v=ydkmxcf
https://www.youtube.com/watch?v=fcsSmBl
I then saw DCGuys teardown of the 50AH version:
https://www.youtube.com/watch?v=kmtR3rv
To which I added an edit to my post:
"edit: a teardown of the 50AH showed bottom-barrel construction and pouch cells instead of prismatic, and no over-temperature (nor cold temp) cut off, FWIW."
I too was pleasantly surprised to see pics of improved build quality on the 280AH EW battery, and asked Joefitz if he would be willing to do a real teardown and get the QR of cells (so we can ensure manufacturer (current thinking is gangfeng?) and verify the temperature monitoring, and any other analyses he is capable of performing. Alas, he wanted to use his new battery!
I don't have any dog in any fight, don't care about 'brands' but like you and others want a product that meets or exceeds its claims, and after seeing Joe's and several other more recent vids on EW batteries, I no longer rule them out. Indeed a bought a DCHouse version a few months back, since it was a unique 100AH version EW doesn't offer.
https://www.ebay.com/itm/145811958732
But damn I wish it had bluetooth!
edit: no, I am NOT going to do a teardown on my new battery, it's already in use! lol
edit#2 Here is DC Guys's analysis of DCHouse, where he makes the link Ecoworthy as the same as DCHouse, in the first few minutes.
https://www.youtube.com/watch?v=PAM0GyK
On a related topic, the Eco Worthy solar panels I bought physically arrived from Chatsworth California, but were labeled from Canadian Solar, so there you go.
I'm getting 4 more, and doing a full hybrid inverter battery backup.
Ran these off a 1000w inverter for 16hrs during Milton before the inverter took a crap. Paralleled two batteries, ran two full size refrigerators, and it was still over 3/4 capacity per the inverter.
If you don't need the bluetooth BMS (which I don't, really), these are a smokin' deal.
Just trying to find an external BMS that I can use to monitor all 8.......
And which inverter crapped out on you so we know which one to avoid? Thanks! 😊
Concerning that the charge controller they used would not charge the battery easily once fully discharged. I wonder if that was a limitation of the charge controller or the battery... Maybe I am misunderstanding how to use these batteries in general, but it seems like the person in the Reddit post was in a pickle until they got it figured out.
And which inverter crapped out on you so we know which one to avoid? Thanks! 😊
4 of these batteries wired in series=48v
2 banks of the batteries (2x4 wired in series). Then the two banks will be wired in parallel- 48v 560ah=26.8kw.
EG4 6000XP hybrid inverter will be used. Powered by a 60a breaker on the main. Feeding a subpanel of critical circuits such as refrigerators, bedrooms for lights and fans, computers, etc. EG4 is cool because it's 120/240v split phase and expandable. So I can add more capacity later on with battery storage and/or solar. Plus generator can plug into it to recharge batteries or add wattage capacity during a grid outage.
The 1100w inverter that took a crap on me was an amazon unit around $110 or so.
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