• Keep in mind that this inverter will not operate high wattage appliances or equipment that produces heat, such as coffee makers, hair
dryers, microwave ovens and toasters.
• Do not open the inverter — there are no user-serviceable parts inside. Opening the inverter will void manufacturer's warranty.
• Do not use this inverter with medical devices. It is not tested for medical applications.
• Install and operate inverter only as described in this Instruction Manual.
SAVE THESE INSTRUCTIONS
WARNING: TO REDUCE THE RISK OF INJURY OR PROPERTY DAMAGE: Follow these instructions and those published by the
manufacturer of any equipment you intend to use with this inverter. Review cautionary markings on these products.
INTRODUCTION
Congratulations on purchasing your new
Stanley 120 Watt Power Inverter
instructions carefully before using your new inverter.
This power inverter is configured to supply continuous power in the form of a 120 volt AC outlet and a 5 volt USB charging port to run
most household or electronic appliances.
HOW THIS INVERTER WORKS
This inverter is an electronic device that converts low voltage DC (direct current) electricity from a battery to 120 volts AC (alternating
current) household power. It converts power in two stages. The first stage is a DC-to-DC conversion process that raises the low voltage
DC at the inverter input to 145 volts DC. The second stage is a MOSFET bridge stage that converts the high voltage DC into 120 volts,
60 Hz AC.
Power Inverter Output Waveform
The AC output waveform of this inverter is known as a modified sine wave. It is a stepped waveform that has characteristics similar to the
sine wave shape of utility power. This type of waveform is suitable for most AC loads, including linear and switching power supplies used
in electronic equipment, transformers, and small motors.
CAUTION – RECHARGEABLE DEVICES
• Certain rechargeable devices are designed to be charged by plugging them directly into an AC receptacle. These devices may damage
the inverter or the charging circuit.
• When using a rechargeable device, monitor its temperature for the initial ten minutes of use to determine if it produces excessive heat.
• If excessive heat is produced, this indicates the device should not be used with this inverter.
• This problem does not occur with most battery-operated equipment. Most of these devices use a separate charger or transformer that is
plugged into an AC receptacle.
• The inverter is capable of running most chargers and transformers.
CAUTION – INCOMPATIBLE PRODUCTS: Certain products contain power supplies or circuits that are not compatible with an inverter
using a modified sine wave output (such as this inverter) and may be damaged by using this inverter.
If your product requires pure sine wave AC input power to function properly, the instruction manual for your product could state this. If in
doubt, you should contact your product manufacturer PRIOR TO USE.
Some products must be powered from a pure sine wave power source, such as standard household power, or a "pure sine wave" inverter
in order to function properly.
Your product could be damaged by this inverter if it contains:
• Microwave ovens;
• Transformerless battery chargers
• Capacitive coupled power supplies
If an incompatible product is used with this inverter:
• The product might not operate at all, with no indication of failure. The product fuse might open as a result of trying to use it with the
inverter.
• The product might exhibit unusual operation (such as, intermittent operation, buzzing, and the like.)
Some laptop computers may not operate with this inverter.
Note:
WARNING: If the product does not operate normally, to reduce the risk of injury or property damage, turn the product
off immediately and unplug it from the inverter
PROTECTIVE FEATURES
The inverter monitors the following conditions:
Input Voltage Too Low: This condition is not harmful to the inverter, but could damage the power source, so the inverter will
automatically shut down when input voltage drops below 10.5 ± 0.5 volts DC.
Input Voltage Too High: The inverter will automatically shut down when DC input voltage exceeds 16.2 ± 0.5 volts, as this can harm the
unit.
PCA120CA_ManualENFR_031617.indd 4-5
. Read this Instruction Manual and follow the
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Thermal Shutdown Protection: The inverter will automatically shut down when the unit becomes overheated.
Overload/Short Circuit Protection: The inverter will automatically shut down when an overload or short circuit occurs.
Note:
The Power/Fault LED Indicator will light red to indicate a input voltage too low or input voltage too high fault condition OR flash red and green to
indicate a thermal, overload or short circuit fault condition before automatic shutdown occurs.
RATED VERSUS ACTUAL CURRENT DRAW OF EQUIPMENT
Most electrical tools, appliances, electronic devices and audio/visual equipment have labels that indicate the power consumption in amps
or watts. Be sure that the power consumption of the item to be operated is below 120 watts for 60 minutes and 100 watts continuous or
the unit may overheat and shut down. If the power consumption is rated in amps AC, simply multiply by the AC volts (120) to determine
the wattage.
Resistive loads are the easiest for the inverter to run; however, it will not run larger resistive loads (such as electric stoves and heaters),
which require far more wattage than the inverter can deliver. Inductive loads (such as TVs and stereos) require more current to operate
than do resistive loads of the same wattage rating.
For safety reasons, the inverter will simply shut down if it is overloaded. To restart the unit, simply unplug all devices plugged into the
inverter; disconnect the inverter from any 12 volt DC power source; then reconnect the inverter BEFORE plugging the appliance(s) back in.
OPERATING INSTRUCTIONS
The bi-color power/fault LED indicator lights green when the Inverter is properly connected to a functioning DC power source. The AC and
USB outlets are ready to use. (If the bi-color power/fault LED indicator lights red or flashes red and green, refer to the Troubleshooting
Section of this Instruction Manual.)
To turn the unit off, disconnect it from the 12 volt DC power source.
Note:
This inverter has a pivoting power plug that can be rotated forward and upward to maximum of 80 degrees to adjust the orientation. Do not attempt
to forcibly rotate the power plug beyond its maximum angle.
CAUTION: TO REDUCE THE RISK OF PROPERTY DAMAGE:
• The power inverter must be connected only to batteries with a nominal output voltage of 12 volts. The unit will not
operate from a 6 volt battery and will sustain permanent damage if connected to a 24 volt battery.
• Always connect the inverter to the 12 volt DC power source before plugging any devices into the unit.
• The standard North American 120 volt AC and USB outlets allow simultaneous operation of multiple devices. Simply plug the equipment
into the unit and operate normally.
Note:
Ensure that the wattage of all equipment simultaneously plugged into the inverter does not exceed 120 watts for 60 minutes and 100 watts continuous
or the unit may overheat and shut down.
Operation of the 120 Volt AC Outlet and USB Charging Port
1. Connect the unit to a vehicle's accessory outlet or other 12 volt DC power source. Make sure there is adequate space for proper
ventilation of the inverter.
2. Rotate the unit slightly to make sure there is good contact.
3. The bi-color power/fault LED indicator will light green, indicating a proper connection. If the bi-color power/fault LED indicator lights
red or flashes red and green, a Fault condition exists. Refer to the Troubleshooting Section of this Instruction Manual.
4. Plug the 120 volt AC appliance into the inverter's three-prong AC outlet and/or plug the USB-powered device into the inverter's USB
charging port and operate normally.
Notes:
If the Inverter does not work, make sure the ignition/accessory switch is actually powering the accessory outlet. Some vehicles require the ignition
switch to be turned on.
The Inverter will not operate appliances and equipment that generate heat, such as hair dryers, electric blankets, microwave ovens and toasters.
Some laptop computers may not operate with this inverter.
This inverter's USB Charging Port does not support data communication. It only provides 5 volts/2A DC power to an external USB-powered device.
Some USB-powered household electronics may not operate with this USB charging/power port. Check the manual of the corresponding electronic
device to confirm that it can be used with this type of USB charging/power port.
Remember to disconnect the unit from any power source when it is not in use.
Operating Tips
The inverter should only be operated in locations that are:
DRY — Do not allow water or other liquids to come into contact with the inverter.
COOL — Surrounding air temperature should ideally be 10-20°C (50-68°F). Keep the inverter away from direct sunlight, when possible.
WELL-VENTILATED — Keep the area surrounding the inverter clear to ensure free air circulation around the unit. Do not place items on or
over the inverter during operation. The unit will shut down if the internal temperature gets too hot. The inverter will auto-reset after it
cools down.
SAFE — Do not use the inverter near flammable materials or in any locations that may accumulate flammable fumes or gases. This is an
electrical appliance that can briefly spark when electrical connections are made or broken.
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