7
3.3 Inverter Connection
3.3.1 Lead acid battery connection
User can choose proper capacity lead acid battery with a nominal voltage at 48V. Also, you need to
choose battery type as “lead acid battery”.
CAUTION:
Figure 3-6
Recommended battery cable and terminal size:
Table 3-1
Note:
For lead acid battery, the recommended charge current is 0.2C (C
battery capacity).
Model
Max.
Charging
Current
Battery
Capacity
Wire Size
Ring Terminal
Torque
Value
Recommended
Charge Current
Cable
( 𝐦𝐦𝐦𝐦
𝟐𝟐
)
Dimensions
D
(mm)
L
(mm)
CPS5000ECH48
130A
200AH
2*8AWG
14
6.4
29.2
2-3Nm
40A
CPS3000ECH48
100A
100AH
1*6AWG
14
6.4
29.2
2-3Nm
20A
For safety operation and regulation compliance, it’s requested to install a separate DC
over-current protector or disconnect device between battery and inverter. It may not be
requested to have a disconnect device in some applications, however, it’s still requested to
have over-current protection installed.
All wiring must be performed by a qualified personnel.
It's very important for system safety and efficient
operation to use appropriate cable for battery
connection. To reduce risk of injury, please use the proper
recommended cable and terminal size as below.
!
W A R N IN G
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