EI has the best customer service of any company that I’ve ever dealt with.
- Customer
Greg J. from Georgia
- Aircraft
Beechcraft C23 Sundowner
- EI Instrument
8am–4:30pm PST M–F
Sorry, We’re Closed
S-300 External 300 Amp Shunt
S-300
$60

EI has the best customer service of any company that I’ve ever dealt with.
Some of the best customer service in the avionics network that I’ve had the pleasure of dealing with. [I chose EI because of the] features, simplicity, and the user-friendly platform.
Awesome Tech Support. Like the functions it supports and the fit and look in the panel.
This is the second product purchased and I am completely satisfied.
Your product didn’t feel cheaply made. Overall much better quality with the bezel and buttons and knobs. Also much easier to navigate and add fuel.
Electronics International is an exceptional company with exceptional products… Oregon company, great products and great people.
Works great!
We love our MVP-50P w/ its crisp, intuitive display and ease of operation.
EI tech support is the best.
Really glad to have accurate oil psi and temp! [It’s a] match with previous [EI] installs.
Very affordable… great installation instructions. [I chose EI because of its] price point, certified primary.
Good value and functionality. I’ve used your instruments on multiple aircraft thru the years with no issues. These are a nice upgrade over the original instruments in most older aircraft.