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(Wall) outlets on an Inverter that is powered thru a Vehicle Power Port. This feature can become more 

of a hindrance that a benefit.  

 

The addition of a second AC (Wall) outlet would encourage connecting multiple devices that could blow 

automotive fuses or generate automatic shutdowns due to overloading of the built-in circuit protection 

features. 

 

In addition, multiple AC (Wall) outlets models suffer from potential electrical safety defects if incorrectly 

designed. In 2005 several adapters were recalled from the market due to safety issues. 

 

Adding USB port(s) may just compound the problem of not having enough available power along with 

multiple AC (Wall) outlets. 

 

Products with a single AC (Wall) outlet deliver reliable performance to operate a newer notebook 

computer given the limitations of the power source, providing the user with an experience free of having 

to replace blown automotive fuses or suffering from automatic shutdowns due to overloading of the 

built-in circuit protection features. 

 

Size 

Size and form factor could be a deciding factor when shopping for Inverters. Normally size and 

power are related. Some of the new Inverters such as Kensington Ultra Portable Power Inverter 

150 (K33362), deliver high power in a compact, lightweight design. 

 

Continuous and Peak Power 

The Continuous Power rating of an Inverter refers to the amount of power that the Inverter can 

sustain during continuous use.  

 

The purpose of Peak Power is to allow for operating power spikes. If the Peak Power rating is exceeded 

the Inverter will usually have to be restarted after approximately 10 minutes to allow it to cool.

 

 

Additional Features

 

Some Inverters have a built-in LED to warn of undesirable operating conditions. Some other features you 

may find on Inverters are built-in safety features including over current protection, low and over supply 

voltage protection and over temperature protection. 

 

There are many products on the market, but do your research to determine the best solution for you. 

 

For a complete listing of Kensington power solutions visit 

www.kensington.com

 

 

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