Power Inverter FAQs

Where can I find Warranty information on your items?
Most of our inverter products carry a 2-Year Warranty and vary in Accessories. See warranties listed by Model here
I would like to download copy of Manual for my Power Inverter. Where do I find it?
You can find a list Cobra Manuals here
Why is my phone not fast charging from my power inverter or remote?
If you plug your phone in and Fast Charge does not work, check with your provider or the website of your phone provider to find out if your device supports ...
If I have a question, return or problem with my product, how do I contact Customer Service?
For any questions about operating or installing this new Cobra product, PLEASE CONTACT COBRA FIRST.  Do not return this product to the retail store. The co...
Are replacement parts available?
Yes Cobra will replace defective or broken parts such as cables or mount clips within the Warranty period.  Please register your product and keep the receip...
Why is the fan not running on my inverter?
This is normal.  The fan will only run when needed, if the inverter starts to get hot.
The output voltage is low
The voltage from your inverter is a little different than the voltage in your home.  The voltage in your home is called a “sine wave”, while the voltage fro...
My outlet tester shows an open ground
Outlet testers are intended for testing normal utility power in your home.  With normal utility power, the neutral and ground are connected together in your...
Does it matter where I mount my inverter?
It matters to mount your inverter in a well-ventilated, dry area.  Your power inverter is not weatherproof, so it needs to be installed where it will be pro...
Why is my inverter sounding an alarm?
If the battery voltage gets too low, your inverter will sound a low-voltage alarm.  This can happen for any of the following reasons: -The battery is low a...