diy solar

diy solar

Adding extra LifePo4 batteries to existing system.

Dbri8lf

New Member
Joined
Jun 30, 2021
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Hi, I have 4 x WECO 5k3 batteries connected to 2 x AXPERT MAX II 8000W in parallel connected with 24 solar panels in 3 strings.
The inverters are connected to the battery bank via busbars, fuses etc.
I also have 2 x new Pylontech us3000c batteries that were ordered for another project that didn't go ahead.
Would it be possible to connect these at the busbar as extra capacity to my existing system?
I wouldn't be able to use the inverter communication port to control the Pylontech batteries as they are connected for WECO.
Seems a shame to have these sitting around unused.
Thanks in advance.
 
Weco = 16s
Pylontech = 15s

So the voltage range of both is different, I would consider that a bad idea to mix
 
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