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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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
As a result, peak shaving using a battery using no solar turns out to be smarter, cheaper and can be done even by people in apartments than using solar
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As a result, peak shaving using a battery using no solar turns out to be smarter, cheaper and can be done even by people in apartments than using solar
I don't mind manual intervention, but the solar guy I talked to said it would take 10k of wiring to make it come to code. That said, he's the guy that wants to sell the 16k system.
I was trying to figure out if there was a way to use an approx $4k battery and, even if I have to throw a switch, have solar keep working (in a code - compliant manner) during a power outage.
A lot of it depends on what exactly your electrical set up is. Hard to tell you without that—if you have a critical loads panel (probably not) then it's relatively easy. If not, then one option could look like this:
- 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.
At least here in Texas, there are providers with free or low rate electricity at night, which I think is great for charging these batteries. Or if the inverter is good, I can also charge by solar. my goal is to be less dependent of the grid when I can.
Yup they have plans here in Texas where anything between 9pm and 9am is free. So you can run off batteries all day then just recharge it at night when its free. No need for solar if it covers your needs but it would help reduce usage during the day but probably not cost effective.
Thanks! Do you have any recommendations for one good hybrid inverter?
Oh, boy. You may be opening a can of worms. Victron are state of the art. Dutch brand. Nor cheap. Solark is revered, so expensive. Affordable and reasonable quality Chinese brands are widely used such as growatt, eg4. Huawei is big but not really sold in the USA.
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
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