Battery lithium pack golf GTE 8.7kwh

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I don’t know
I want to use it for solar panels or sell it ?
Or for my Prius 2 but I am newbie
Thanks
 
8.7kW is good power for a powerwall running a house. I see you measured 373 volts and it appears to be 4 modules so I calculate 93.25volts per module. Can you confirm the voltage for each individual module? You got a fun project with big power you hit the Jackpot providing you did not pay much for it. It's time to do something with it.
 
I can use it powerwall directly with inverter high voltage ?? May be
It’s very high voltage 400V
 
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jeltop said:
I buy it 650 euro = 640 dollar
It’s good price ?? I don’t know
I don’t test the module
I will test it another day
I can use it powerwall directly with inverter high voltage ?? May be
It’s very high voltage 400V
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You lucky bum! 650 euro is a very good price for 8.7kW of power. If a high voltage inverter is available to you that's the easiest route to go. My powerwall is made from a Nissan Leaf battery and the battery breaks down nicely for a 24v or 48v inverter. I did run my SMA "String Inverter" that suppose to operates on up to 400 volts of solar panels but I did not have the panels installed so I made a 2.5Ah 350 volt battery just to test the inverter and it worked. SMA brand inverter can work without being "Grid-tied" Good luck, and if you have to break down your pack and put the modules in parallel we can talk and there is plenty of help here to get that 93 volts down to 48-55 volts for use with a more common 48 volt inverter.
look up "Buck Converter" or DC to DC converter. I will check up with you later.
 
But better way is use the pack with inverter who accept 25A and 400V Cc
Because I have three panels solar high voltage 183V mpp and 2.37A
I am novice very novice
Bms and all terms I know nothing
Why you don’t use Nissan Leaf battery directly with inverter high voltage ? Less work and less dangerous no ?
I have also Renault Zoe 22kwh and after 6 months I will buy the battery , but I don’t find guy use pack battery Zoe in powerwall
 
High Voltage Inverter not easy to get. 12, 24 and 48 volt Inverter very easy to get. Plus BMS with 14 sense leads to read each cell
voltage is very easy to get. Original Nissan Leaf BMS too hard to figure out or it was damaged.
 
I understand but dislock the battery in 48v
It’s difficult ?
The cells surely hard to unlock …
I think I can test the amperage ? How many ? With multimeter I can read the amperage of battery ? Thank
 
J_Mack58 said:
High Voltage Inverter not easy to get. 12, 24 and 48 volt Inverter very easy to get. Plus BMS with 14 sense leads to read each cell
voltage is very easy to get. Original Nissan Leaf BMS too hard to figure out or it was damaged.
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You can get HV inverters from Deye: https://deye.com/product/sun-6-8-10...e-2-mppt-hybrid-inverter-low-voltage-battery/

If the original BMS of the battery still works and balances the battery aswell, you can just tell the inverter what voltages and max current to use for charging and discharging. While its reccommended to have a communication between the inverter and battery, its not stricly needed with Deye inverters.
 
Oberfail said:
You can get HV inverters from Deye: https://deye.com/product/sun-6-8-10...e-2-mppt-hybrid-inverter-low-voltage-battery/

If the original BMS of the battery still works and balances the battery aswell, you can just tell the inverter what voltages and max current to use for charging and discharging. While its reccommended to have a communication between the inverter and battery, its not stricly needed with Deye inverters.
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Hi
Thank you
The price may be expensive and the Deye accept 48v … no 400V ??
I don’t know if the bms of battery work
It’s difficult to test it ?
 
The Deye i linked accepts 400V, but there are also 48V models.
I cant help you with testing the BMS, i dont know much about car batteries.
 
I'd guess somewhere between 2000-4000€, depending on which one you take.

I have a 1 Phase 5kW 48V unit for myself, for which i only paid 1100€
 
jeltop said:
If you want I can sell another golf 7 GTE pack
Where are y from ?
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I'm in San Francisco California. I'm good on Batteries my pack is so large I can't get enough Sun to charge it fully and I'm out of places to put panels. Thanks though.
 
J_Mack58 said:
I'm in San Francisco California. I'm good on Batteries my pack is so large I can't get enough Sun to charge it fully and I'm out of places to put panels. Thanks though.
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Good !!
San francisco no enough sun??? it's the country have good sun non?
thank
 
Hi
My work Continuous
Finally I am finish
Look picture
One module have 83V and 25A

I will find a inverter who accept 48V and 100A
The module is 2 battery of 41v and 25A
If I do 8S with 8 battery in series
I will have a battery 42V and 100A
It’s good ?
Thank
 
Last edited:
jeltop said:
Hi
My work Continuous
Finally I am finish
Look picture
One module have 83V and 25A

I will find a inverter who accept 48V and 100A
The module is 2 battery of 41v and 25A
If I do 8S with 8 battery in series
I will have a battery 42V and 100A
It’s good ?
Thank
Click to expand...
Been a long time since I been on this site, I wonder if you was successful. My 48 volt inverters cut out at 44.5v. My inverter will run on a voltage range of 44.5v to 55.8v. I never ran it at any higher voltage, 55.8v is the 100% SOC for my battery. Did you find an inverter that run at 41 volts?
 
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