Owner`s manual
GP-PWM-30 
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Viewing the Controller display information 
To toggle between State of 
Charge (SOC), Battery 
Voltage and PV Charging 
Current, press the B Button.
The battery state of charge is 
shown as a percentage.
Icons Displayed: Battery, 
Percent Symbol 
Push the B Button to show 
the battery voltage. 
Icons Displayed: Battery, 
Volt Symbol (V) 
Push the B Button to show 
the PV charging current. The 
GP-PWM-30 will begin to 
limit the current as the 
battery reaches a full charge. 
Icons Displayed: Sun, 
Battery, Current Symbol (A) 










