Battery Connection - MPP Solar LV5048 User Manual

3kw/5kw inverter / charger
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Install the unit by screwing three screws. It's recommended to use M4 or M5 screws.

Battery Connection

CAUTION: 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. Please refer
to typical amperage in below table as required fuse or breaker size.
WARNING! All wiring must be performed by a qualified personnel.
WARNING! 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.
Recommended battery cable and terminal size:
Model
Typical
Amperage
3KW
5KW
Please follow below steps to implement battery connection:
1. Assemble battery ring terminal based on recommended battery cable and terminal size.
2. Connect all battery packs as units requires. It's suggested to connect at least 200Ah capacity battery for
3KW model and at least 200Ah capacity battery for 5KW model.
3. Insert the ring terminal of battery cable flatly into battery connector of inverter and make sure the bolts are
tightened with torque of 2-3 Nm. Make sure polarity at both the battery and the inverter/charge is correctly
connected and ring terminals are tightly screwed to the battery terminals.
Battery
Capacity
200A
200AH
200A
200AH
Wire Size
Ring Terminal
Cable
mm
2
1*1/0AWG
60
2*4AWG
44
1*1/0AWG
60
2*4AWG
44
5
Ring terminal:
Dimensions
D (mm)
L (mm)
6.4
49.7
6.4
49.7
6.4
49.7
6.4
49.7
Torque
Value
2~3 Nm
2~3 Nm

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