Sungrow Australia Group Pty. Ltd. | 1800 SUNGROW (786 476)
TD_201806_SBP4K8_Battery Testing_V1.0
Page 3 of 4
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The information in this document is subject to change without notice.
Figure 5 Battery terminals inside the inverter
If the battery is not connected properly or powered off, the voltage reading on the
battery terminal inside the inverter may display around 20V, which is from the
inverter circuit board.
If the LED on the battery does not display any light, it means the battery is OFF. To
turn ON the battery, take the
top cover off and press and hold the ‘
Red
’ button for
5
seconds
(Figure 6).
Figure 6 Battery power ON/OFF button
After pressing and holding the red button for 5 seconds, if the LED does not light up,
disconnect all the cables from the battery and measure the voltage at the battery
terminals and check if the voltage reading ranges
between 44.8V and 58.1V
. (If
required, switch on the battery by pressing the red button for 5 seconds).
Figure 7 Voltage at the battery terminals
