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The New N8XJK Boost Regulator

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Product Description

 A large amount electronic equipment on the market today do not tolerate low voltage conditions. This Boost Regulator was designed to supply a constant voltage to the equipment regardless of the input voltage. It's simply AMAZING!!!

 The Boost Regulator is a switching power supply that regulates the output and boosts the voltage to your equipment. The increased voltage prevents distortion commonly seen on modern mobile radios. It also maintains transmit power and allows longer operation from a battery.

 The Boost Regulator was designed so the boosted voltage is added to the battery voltage. This means only the difference between the input and output voltage is converted by the internal Switch Mode Power Supply. With this configuration, the losses only apply to the Boosted Voltage. This means that real world efficiency is above 90%!

 The unique design of the Boost Regulator allows input voltage to be present at the output of the supply even when the supply is disabled or is in stand by mode. No transfer relays are required. The Boost Regulator does not boost voltage when battery voltage is above the regulator set point. If there is enough input voltage, it doesn't do anything! But as soon as you need it, it's there!

 Your new Boost Regulator will allow you to maintain any output voltage greater than battery voltage, up to 15 volts. The Boost function can be enabled manually via a front panel switch, or automatically via the RF detect input attached to the antenna lead of the transmitter. This allows the Boost Regulator to supply boosted voltage only when transmitting.

 In bypass, the input voltage is passed to the attached radio with no regulation. In this mode, the filter stage of the supply is still in circuit and will act to filter RFI from the battery voltage to the radio. This can help to reduce noise induced into the power circuit from other attached electronic devices such as Chargers, Alternators, Ignition systems. If RFI is a concern, this unit is for you!!

 We can custom build this unit the way you need it. The N8XJK Boost Regulator comes with 4' lengths of cable and optional Anderson Powerpole connectors. Call Tim Gerdeen of TG Electronics at (906) 370-5031 or email timig@tgelectronics.org for custom orders and more details.

Maintain any output voltage up to 15 volts, even with an input as low as 9 volts!!!
Eliminate RFI!!!! Enable the boost fulltime or with the RF detect Input with your radios microphone only when transmitting!!
Input voltage is present at the output with the supply turned off.  Over 90% Efficient!! Battery voltage less one Schottky diode voltage drop.
Boost voltages at a 25 Amp load.
Protect your battery with a low voltage lockout feature.  A Low Voltage Piezo Alarm is also available.
Low Battery cut-off set to 9, 10, or 11 volts.
Comes with a 30amp internal fuse.

A Remote Meter Panel can be purchase and connected to this unit.

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.



Input: 9 to 15 Volts DC. 
Output voltage: up to 15 Volts DC 

Output Ripple: 
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.

  • Current:
  • Input: +30 Amps peak.
  • Output +25 Amps continuous, 30 Amps peak. 
  • No Load Current Consumption:
  • Power off - 1ma
  • Standby - 10ma
  • Enabled - 24ma
  • Low Battery - 19ma

    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


 TG Electronics warranties this device against defects in parts and workmanship for the period of One 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 Boost Regulator. 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) 370-5031, or Email:  timig@tgelectronics.org


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

  1. Works very well. 4 Star Review

    Posted by on 11th Jan 2018

    This product works as advertised.

    I think the automatic enable scheme could be improved.

  2. boost regulator 5 Star Review

    Posted by on 4th Sep 2017

    Works great easy to install. Worth the wait.

  3. works as advertised 5 Star Review

    Posted by on 13th Mar 2017

    being on solar power, I was worried about my radios because the voltage was all over the place. No worries now, voltage maintains to 13.8

  4. N8XJK Boost Regulator 4 Star Review

    Posted by on 9th Nov 2016

    It works as advertised.

    Receive (OFF) 12.4 12.0 12.0
    Transmit (OFF) 11.3 10.7 9.9

    Receive (ON) 12.3 14.1 14.2
    Transmit (ON) 10.8 14.1 13.3

    Please note that if I put larger gauge wire it will reduce voltage drops. But you will never have more than you start with.

    Do you make a version that doesn't have a mounting flange? I normally use adhesive backed Velcro to hold radio gear in place.

    Do you make a version that senses current draw to turn it ON. I don't like anything in my feed line that could affect the performance of my transmitter.

    Why when I connect it to a 13.5V DC @ 12AH battery it will not turn ON? But it works fine with my 12V DC 26AH 2nd car battery. (I run a battery idolator to keep from killing my main battery.)

  5. Off the grid operation 5 Star Review

    Posted by on 7th Sep 2016

    I have a 40 amp and the 120 amp versions of the booster. Both work like champs. My equipment loves to see the steady voltage, and using six deep cycle RV/Marine batteries certainly helps. I am completely off the grid using nothing but solar panels to charge the batteries. So far, 24/7 operations are a reality. Don't hesitate to buy one. Buy the LED readout as well. Nice to view the input and output voltages at the same time. My hats off to TGE

    Steve - KW7K

  6. works perfekt in the car and portable 5 Star Review

    Posted by on 19th Aug 2016

    I got the booster for my IC-7300 which needs a voltage >12V and installed it in the car. It works perfect and I'm very satisfied with the performance.

    Thanks for the awesome booster.

    73s Tobias KB1UYR/DO3NSA

  7. Just received them 5 Star Review

    Posted by on 7th Oct 2015

    I just received the N8XJK Boost Regulator and found the packing to be excellent. Simple instructions for connecting to the power source and radio.
    This weekend I will give the unit a good workout as I will be dry camping with only solar panels and three 12 volt deep cycle batteries.
    I bought this battery booster on the recommendation of a fellow ham and he loves it.
    I will update this review after my camping trip.


  8. Great for portable use 5 Star Review

    Posted by on 8th May 2015

    Works as advertised. Great for portable use. Solid case, unlike aluminum boxes from some other vendors.

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