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Well I don't think following BYD manual for expanding Deye batteries is the best idea. I don't know what exactly is the topology of BYD batteries, t...
There is 32s passive balancer inside each battery module. No need to install additional balancer there, as it will not change anything. Cells inside t...
This is very bad idea. You should NEVER expand HV batteries like that! Always charge all the battery modules separately until they reach 100% SoC ...
That is allowed temperature range of the environment, not the components inside the device. And it clearly says you will get derating (reduced perfo...
The main problem when using additional external fans is that we don't know what happens to the temperature of other internal components inside the hou...
This is what AI says: In Deye Hybrid inverters, the "Soft Export Control" and "Hard Export Control" settings are used to manage how much solar e...
For some unkown reason that only Seplos und, ChargeCurrent limit is always ChargeCurrentWarning/2, and Discharge current limit is DischargeCurrentWarn...
XL02-A is just an optimizer, XL02-B is optimizer with monitoring and fire safety. XL02-B needs concentrator unit for communication and "shutdown" fu...
You are underestimating the influence that string orientation has on the production especially in winter months with low sun angle. For your S/W...
No, you should never connect the MPPTs in parallel.
This is probably the latest available Modbus protocol document... v105.3. It should cover all 3phase LV and HV inverters. SUN-15-20k-SG05LP3 line ...
Most probably it does nothing. Because it is just a option in display firmware, but not linked to anything on the main inverter firmware. You can te...
With just 7 modules in series your voltages will be very low. That will reduce performance especially in low light conditions, inverter will start t...
I don't believe it is available for download anywhere. It could be a "beta" firmware. After a few more days, it seems that MPPT algorithm is l...
I contacted Deye support because of the MPPT issue that I noticed on my system under shading conditions. Old FW never dropped MPPT voltage below 70%...
