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The N8XJK Super Booster

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Your Price:
$220.00 (You save $15.00)

Product Description

Introducing - The N8XJK SUPER BOOSTER!! Now with up to 40 Amps Output Power and a Thermally Controlled Fan for cooling!!

This unit has the same basic functions as the original unit, but with following added features:

1. A Thermally Controlled Cooling Fan for maximum continuous use. Now up to 40Amps of power can be achieved, without the worries of overheating. The Fan only runs when the unit heats up.

2. External adjustments. You can adjust the voltage output and the RF delay from the front panel.

3. The new RF Delay circuit. The delay circuit allows for a delay to be added in between RF enabling for smooth transmissions.

4. The New Remote Terminal Strip. This allows for remote control and monitoring with a pin type termal strip. You can externally Enable, Monitor Input voltage, Monitor Output voltage, add extra low battery and enable LED's, plus has a 12volt source voltage for powering an external circuit. Check out our Remote/ Meter Panel, which connects to the terminal strip

5.  The Low Voltage Piezo Alarm is available for this unit.  Just click the Alarm option when placing in shopping cart.

Booster Comparison Chart:
Feature                                  New Booster            Super Booster            Marine Booster
Thermal Fan                                   No                             Yes                                 No
RF Enable                                      Yes                            Yes                                 No
Water Tight                                    No                              No                                 Yes
Voltage Adjust                            External                      External                           Internal
Continuous/ Max Current             25A/ 30A                    40A/ 40A                         25A/ 30A

All three of our 12volt Boosters have: 10 Gauge Zipcord, are compatible with our Remote/ Meter Panel, are over 90% efficient, have a selectable Low Battery Cut-off circuit, and are adjustable up to 15+ volts output.

- Specifications are typical and may vary.
Input Voltage: 9 to 15 Volts DC.
Output voltage: up to 15 Volts DC Output

Load = 27 Amps 5.54 mV RMS, 37mVp-p
Load = 21 Amps 4.64 mV RMS, 34mVp-p
Load = 14 Amps 3.44 mV RMS, 30mVp-p
Load = 7 Amps 2.34 mV RMS, 19mVp-p
Load = 4 Amps 1.96 mV RMS, 16mVp-p

Dimensions:  7" wide x 3.5" deep x 2.25" high.

Input: +40 Amps peak.
Output +40 Amps continuous 

No Load Current Consumption:
Power off - 1ma
Standby - 10ma
Enabled - 24ma
Low Battery - 19ma
Fan - 10ma


RF Enable:
RF threshold - 2.1Vp-p typical.
RF Input Maximum - 250Watt Radios
RF Turn On delay - 2 milliseconds typical
RF Turn Off delay - 200 milliseconds typical

Low Battery Lockout:
Jumper Selectable 11V,10V,9V 2

TG Electronics warranties this device against defects in parts and workmanship for the period of On Year from the date of purchase. Beyond the warranty period if you have any problems with your supply, Please contact us immediately. We are fully committed to supporting you in your purchase of The N8XJK Super Booster. We reserve the right to extend warranty period if we feel it is appropriate. Please be advised that any alteration or improper installation or use of the unit may void the warranty. We are not responsible for the consequences of misuse or improper operation. In some cases modifications may be available through TG Electronics to alter the function of the Boost Regulator, we reserve the right to void the warranty if these modifications are made by others.

For more information contact Tim Gerdeen of TG Electronics at (906) 487-9063, (906) 370-5031 or timig@email.com

Thanx for the reply. I may move the low voltage cutoff up to 10 volts. Got the unit hooked up this afternoon. My minimum load voltage is 14.48, and full key down at 100 watts output is 13.5. I use a Kenwood TS140 off my deep cycle battery on the trailer for field day. Never got more than 80 watts out. Now I get the full 100 watts out. THERE IS NO DETECTABLE RFI!!! I'm kind'a sensitive to that, because I'm a retired EMC engineer. I wish some of the boxes we put on the Mars Reconisance Orbiter were that quiet. Congratulations on one of the best new products to hit the Ham Radio market in a long time. All the Best, Clyde

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Product Reviews

Showing reviews 1-10 of 14 | Next

  1. No voltage drop! 5 Star Review

    Posted by on 15th Apr 2017

    Got this because my IC-7200 couldn't transmit at the full 100w. With the super booster, I get the full 100w. My 2 7.5ah SLA batteries from Walmart drop to 11.7v before booster and stay at 14.2 after the booster. No drop after the booster when transmitting. Recommend this for any shack, radio box, or battery box. Thinking of getting solar power later on and may buy another to keep electronics at a stable voltage independent of the batteries.

  2. Holds Voltage During Restarts 4 Star Review

    Posted by on 1st Mar 2017

    I usually operate when my car is running. My need for the Super Booster was more superficial in that I wanted voltage to be held steady during engine restarts. It works great; no more "brown-outs" for the radio during restarts! :)

    The only thing I wish was different is a configurable mounting plate. I would have liked to bolt the Super Booster straight to my panel. Instead, I made some risers to use the existing mounting points. Photos at https://stealthgti.com/my-gti/communications/.

  3. High quality product 5 Star Review

    Posted by on 20th Feb 2017

    I had a chance to play with it yesterday... OMG... awesome output of 13.8, with battery voltage at 12.4.

  4. Battery Booster 5 Star Review

    Posted by on 26th Jan 2017

    Plugged my new booster up and 13.2 volts going in 14.2 coming out. My Yaesu 857D radio loves the power. My compliments to the resigner and builder of this unit excellent workmanship.

  5. Worked well with low batteries 4 Star Review

    Posted by on 3rd Oct 2016

    Used it in cold weather and 11.3 volt batteries and it worked well.

  6. Works as Advertised 5 Star Review

    Posted by on 29th Jun 2016

    I bought my second one of these this year. Both work perfectly just as advertised. It's a very well built product. No detectable RFI from it. My mobile rig would reboot when TX on high power due to the voltage drop below specs. This doesn't happen anymore. I now get full TX power out of my HF rig on my deep cycle AGM battery after installing the booster which is able to keep power above 13V when TX full power.

  7. Solved the problem 5 Star Review

    Posted by on 13th Sep 2015

    Sept 12th I took my size 24 deep cycle battery, tranceiver, and my recently purchased N8XJK super booster to the field in the Ohio State Parks On The Air contest. It rained all day but the super booster functioned as advertised. With the output set to 13.8 vdc unloaded, I was able to maintain 13.6 vdc to, and 100 watts from the tranceiver even as the battery was depleted to 11.8 vdc. If your radio suffers from reduced power at reduced voltage, this is the device for you.

  8. Amazing Piece of electronics. 5 Star Review

    Posted by on 17th Aug 2015

    I have been looking at purchasing one of these for about 2 years as i use my radio (ic706 mk2) in a portable locations on a regular basis,it has lived up to all my expectations and delivers everything that the product description states, i am about to go on a 6000 klm out back adventure wher i will test the product to the full.

  9. Built like a tank. 5 Star Review

    Posted by on 25th Feb 2015

    I have recently received and installed this power booster regulator and am extremely pleased with it. My radios run on power from three solar cells, so there is no downside to this unit at all. It works as advertized and every signal report I have received has been excellent.
    Thank you for building such a great product right here in the State of Michigan and bucking the trend to outsource overseas.

  10. This "Magic Box" WORKS! 5 Star Review

    Posted by on 22nd Jul 2014

    I knew what I needed but wasn't sure if this was it. I wanted to operate rover and with engine off because we all know what happens to a IC706-G when the voltage drops... In the last CQ contest and from one spot, I operated for 2 hrs without ever starting the engine.
    I didn't adjust a thing, ran it just as received.
    The only option added was the 40amp circuit breaker. Directions state "keep input/output power cables as short as possible. I ordered the longest cables as I wasn't exactly sure where to mount the unit. I mounted it behind my center console and didn't cut the cables short.
    This didn't seem to affect operation in any way I could tell. This is the best option you can add to your mobile station.
    Why didn't I buy this magic box years ago??

Showing reviews 1-10 of 14 | Next

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