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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So, these and the smaller server-rack batteries have welded terminals, which is great but I'm left wondering what you do if a cell fails and you have to replace it. Do these cells still have screw threads in the terminals so they can easily be joined to the replacement cell?
Some, yes; others are welded. As far as I know (not having taken this one apart because I plan to use it
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