You folks do a great job. Keep up the good work.
- Customer
Kevin D. from Missouri
- Aircraft
Cessna 172 Skyhawk
- EI Instrument
S-300 External Shunt
FAA Approved Accessory
- PMA’d
- 300 Amp
- 3.25″ (W) x 1.75″ (D) x 1.75″ (H)
- 11.5 Oz Unit
Questions?
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Product Overview
Prices
Retail Prices
Package includes:
- S-300 Shunt
- Installation Instructions
Description
Package
Retail Price
S-300 External 300 Amp Shunt
S-300
$60
Specifications
Videos
Documents
Documents & Manuals
Testimonials
Customer Testimonials
Phone service for ordering was quick and easy. Shipping was quick.
Pleasure supporting folks with like values.
I have been installing avionics since 1996. This was THE BEST wire harness I have ever seen!
It works very well; easy operation.
- Customer
Socrates K. , Cyprus
- Aircraft
Cessna F172H
- EI Instrument
Your (customer) service is excellent!
- Customer
Thomas T. from Washington
- Aircraft
Piper PA-18-150
- EI Instrument
Nice bright display.
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.
Easy installation, lightweight solution. It looks good and is easy to use. [I chose E.I. because] I needed to replace my old Hobbs meter. This provided more functionality, allowing me to remove my old digital timer, and EI programmed it to my current airframe time.
People [at EI] were great to work with.
- Customer
Andrew & Carri Ann M. from Alaska
- Aircraft
Piper PA-18-150 Super Cub
- EI Instrument
I really appreciate the quality of communication about my order. The instrument offers the right functionality (being a primary instrument) in the right form factor for my application.
Very complete and thorough packaging. Well-prepped wiring harnesses. Quick and efficient turnaround time. Great communication throughout the process.
- Customer
Parker C. From Georgia
- Aircraft
Beechcraft Bonanza J35
- EI Instrument