SOLAR CONTROLLER
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© 2020 Go Power!
Flooded batteries may need to have distilled water added periodically to replace
fluid loss during charging. Excessive water loss during a short period of time
indicates the possibility of overcharging or aging batteries.
When charging, my flooded batteries are emitting gas.
During charging, hydrogen gas is generated within the battery. The gas bubbles
stir the battery acid allowing it to receive a fuller state of charge.
Important:
Ensure batteries are in a well-ventilated space.
My voltmeter shows a different reading than the SOLAR CONTROLLER
display.
The meter value on the SOLAR CONTROLLER display is an approximate
reading intended for indication purposes only. There is an approximate 0.1 VDC
inherent error present that may be accentuated when compared with readings
from another voltmeter.
There may be a slight difference between the battery voltage displayed on the
SOLAR CONTROLLER display and the battery voltage measured at the battery
terminals. When troubleshooting using a voltmeter, check both the battery
voltage at the SOLAR CONTROLLER terminals and battery voltage at the
battery terminals. If a difference of more than 0.5 VDC is noted, this indicates a
large voltage drop possibly caused by loose connections, long wire runs, small
wire gauge, faulty wiring, a faulty voltmeter or all the above. Consult the
Suggested Minimum Wire Gauge chart in Section 6 for wiring suggestions and
check all connections.
For advanced users:
The SOLAR CONTROLLER makes voltage measurement adjustments based on
resistance it detects at the battery terminals. In addition to resistance in the
wires, batteries also have an internal resistance due to chemical properties. The
controller cannot distinguish between these two sources of resistance. It will
compensate up to 250mV in the displayed value.