BYD HVS 5.1 Mode D'emploi page 44

OUT IN OUT
≤
Cable Length 20 m
IN OUT IN
.
1 Parallelconnection is
not applicable to SMA
Sunny Boy Storage
3.7-6.0. Please check
the inverter operation
Manual on how to
connect up to three batteries.
2.The length of the power cables
to the combiner box should be same.
3.If the BYD combiner box is not used,
the parallel connection device
should meet the following requirements.
a) No less than IP 55 for the outdoor use.
b) Maximum Operating Voltage,1000V DC
c) Maximum Output Current,40A DC
d) Breaking Current, 40A DC.
4.The total power cable length
between each battery tower and the
inverter should be less than 20 meters.