eco-worthy-us via eBay has
2-Pack ECO-WORTHY 14kWh 51.2V 280AH LiFePO4 Solar Battery Backup w/ 200A BMS + Busbar (Version2) on sale for $4199.99 - $350 with coupon code
FRESHPICKS at checkout =
$3849.99.
Shipping is free.
Note: Also includes bonus 400A Busbar with 6×M8 Studs.
Thanks to staff member
Skillful_Pickle for sharing this deal.
About this Item:
- Battery Capacity: 280Ah each
- Battery Power: 14336Wh each
- 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: 20.5x9.9x29.3in
- Battery Weight: 297.6lb/135kg each
- Max. parallel units: 15
- Connectors: RS232 / CAN / RS485
- Manufacturer Page for more details.
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Top Comments
Install a whole home transfer switch or a generator interlock.
Plug in the battery/inverter (this plus a large inverter, or the Delta Pro or similar) into the generator/backup input port.
Install a special breaker to charge the battery/inverter that you will turn off when on battery power.
Manually switch to the generator during outages and switch back when grid power is back. Turn on the battery charging breaker when power is back.
I use this $150 transfer switch [vevor.com] to bypass the inverter and feed the panel directly from the grid when I need to do inverter/battery maintenance, for example, and it's ... fine, does the job, no issue. 4/0-4/0-4/0-2/0 SER wiring cost me about $8/foot, and I bought 10ft. The battery breaker, even like a 50amp ($20?), plus associated socket ($35 for a wall-mount socket) and AWG6 wiring, maybe $2/foot and assume maybe 25 ft?
The battery and inverter is where it'll get spendy. But this would almost certainly meet code as long as the individual components are UL listed and you're absolutely sure to turn off the battery charging breaker before switching to the battery feed.
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For the rest of us who do not own a utility company and have to follow their prices, peak shaving is the only effective way because you essentially end up paying only the super off peak price for your power + the amortized cost of the power pack.
You'll need four of them—one each for line 1, line 2, neutral and ground, since I assume your main disconnect is where the neutral-ground bond is. You should also get a torque driver if you don't have one which allows you to correctly measure how much you've tightened it because these cables are ... not small. I also got a wiring trough to put the whole thing into, but if you're inside, you can use any box that provides sufficient clearance—something like this will be fine, but you'll need to drill larger size holes (2" or 2.25" depending on what your existing conduit is and code requires).
Happy to answer more questions if you want—just PM me pictures since that's helpful to understand your specific setup.
For the rest of us who do not own a utility company and have to follow their prices, peak shaving is the only effective way because you essentially end up paying only the super off peak price for your power + the amortized cost of the power pack.
Your biggest challenge will be not so much the cost of the inverter but planning and rewiring if you want a seamless system. I think anker had a semi complete system with batteries, transfer switch, etc. Fyi
Okay, yes, if you're in that situation, then maybe instead just keep a few candles around and enjoy the end of civilization with your loved ones like the end of Don't Look Up, instead of wondering if/when internet will come back up.
On the other hand, this kind of planning did help me figure out what I wanted my system to handle: lowering my power bill by an appreciable fraction (35 percent compared to last year is what I hoped for, and so far we're closer to 90 percent, though the weather has been nice.) That also meant that I decided instead of buying more batteries and PV panels, I opted to buy a new heat pump HVAC and look into lime-washing the brick house to lower thermal load, and improving insulation.
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The people who fit this profile are doing this to optimize their finances, not because they "can't afford it".
If someone has the time to be on slickdeals, learning about solar and experimenting, they arent juggling multiple minimum wage jobs.
I would like people here to get good information, not trolling nonsense.
So, yes, this battery can be used to save you money on your energy bills even if you live in an apartment
Edit: Consider- You decide to start a business that is somewhat energy intensive. You wouldn't consider California, simply because 'you can't afford it'...states next door are literally a fraction of California pricing.
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