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• 5 •
Always run a test to establish whether the converter will operate a particular
piece of equipment or device. In the event of a power overload, the converter is
designed to automatically shut down.
This safety feature prevents damaging the converter while testing devices and
equipment within the wattage range of the converter.
When using the vehicle’s 12 volt accessory port, this converter is designed to
supply 60 to 70 watts when the vehicle is not running. With the vehicle’s engine
running, it can supply up to 100 watts. To use the full output, you must connect the
converter directly to your battery.
NOTE: The 100 watt limit is to accommodate the fuse ratings for all vehicles.
Some vehicles may allow the full output. If the vehicle fuse blows when you switch
on the device you are trying to use, you have to either use a smaller device or you
must connect the converter directly to the battery.
IMPORTANT: This converter uses a modied sine waveform (diagram A) which
is not quite the same as power company electricity (diagram B). For the following
devices, we strongly recommend that you use caution and check the device’s
manual to make sure it is compatible with modied sine waveform.
1. Switch mode power supplies
2. Linear power supplies
3. Class 2 transformers
4. Line lter capacitors
5. Shaded pole motors
6. Fan motors
7. Microwave ovens
8. Fluorescent and high intensity lamps (with a ballast)
9. Transformer less battery chargers
Using the converter with any of these devices may cause the device to run warmer
or overheat.
Modied sine waveform
produced by converter
Diagram A Diagram B
Pure sine waveform
typical of home AC outlet
IMPORTANT: If you are using the power converter to operate a battery charger,
monitor the temperature of the battery charger for about 10 minutes. If the battery
charger becomes abnormally warm, disconnect it from the converter immediately.
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