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6 Battery Operating Time
The battery operating time of the 500 Inverter depends on
the charge level of the battery, battery capacity, and the
amount of power drawn by the particular AC load. With a
typical vehicle battery and a 300 watt load, you can expect
one or more hours of operating time.
To preserve the battery:
• Do not allow your vehicle battery to become deeply
discharged. A vehicle battery (starting battery) is not
designed to be deeply discharged, and repeated deep
discharge/charge cycles will shorten its life.
When you use a vehicle battery as a power source, start
the vehicle every hour or two and run it until you have
partially recharged the battery.
• Do not leave the 500 Inverter on for more than a week if
you do not have an AC load connected to it.
The inverter draws less than 0.3 amps with the On/
Standby switch on and no load connected, but that will
eventually discharge the battery.
• When the 500 Inverter is not in use, do one of the
following:
• Disconnect the DC cable clips from the battery.
• Turn off the in-line switch if the inverter is
hardwired to the battery.