Your total current must be under an amp. if your two devices running at the same time is close 1 Amp you'll likely blow the fuse after a short time of use.First of all I have no cluse what the capacity of the inverter is, so I suggest you leave it alone. If you draw more power from the unit, you nee...

Most corporate emails are either slow to reply or nothing at all... get a phone number and hound them until you get to the right people. You should get the status of your order.

What does CEL stand for?