11
2
4
6
10
1
3
5
7
9
D
E
F
A B C
pin
SBS
pin
2
4
6
B
C
E
D
SMA
Sunny Boy
Storage
BYD
Battery-Box
No.
SMA
Parameter
1
Battery-Areas of application-Lower Imt deep disch.Protect area prior shutdown
2%
2
Battery-Areas of application-Minimum width of deep discharge protection area
3%
3
Battery-Areas of application-Area width for conser
\
ing battery sate of charge
3%
4
Battery-Areas of application-Minimum width of own consumption area
100%
SMA SUNNY BOY STORAGE 3.8/5.0/6.0
6RKGYKXKLKXZUZNKOT\KXZKXOTYZGRRGZOUTM[OJKLUX
OT\KXZKXYOJKIUTTKIZOUTYGYZNKOXSG_HK[VJGZKYINGTMKY
Sunny Boy toratge
BYD requires setting the following parameters for SMA inverter
Battery-Box HIGH VOLTAGE EXTENSION
Without charger
Charge or discharge the original battery system so that its SOC becomes 30% to 40%, and add
another battery module. The actual SOC difference will be automatically balanced in the next 2
weeks or so.
(Batterry-Box capacity may not be enough during this time, this is normal)
15c.
New battery module
SOC=30%-40%
SOC=30%-40%
Original battery
system
12.