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Power Inverters

Power Inverters change DC voltage into AC voltage so we can operate 110/220 volt AC appliances and tools off of our vehicles charging system; They can also be used to power our HHO Generators.

There are 2 main types of Inverters; Sine Wave and Modified Sine Wave. The picture above shows the difference in the way they look. Sine Wave looks and operates like the power companies electricity. Modified Sine Wave looks like square wave pulses. Sine Wave is for sensitive equipment, were as Modified Sine Wave is more for power tools, toasters, coffee makers, and for our use - HHO cells.

Before you choose an inverter, you need to know how many Watts of power your cell will use. Inverters supply power based on Watts. If your plan to run 110 volts and operate at no more than 8 amps, then 110 x 8 = 880 Watts. You will need at least a 900 Watt Inverter but I recommend doubling that to 1800 watts. Inverters are rated with a "Continuous" output. A 900 Watt Inverter can usually operate with power surges up to 1,800 watts. If you are using 220 volts and 8 amps, then 220 x 8 = 1760 Watts. Be sure to check the specifications. Continuous operation creates heat, so it is better to have the capability of higher amperage output, and not use it, than to not have it and need it.

It looks like using high voltage lowers the amperage output. In a way, it does; but the high voltage comes at price. That is a price your vehicles alternator has to pay. It takes amperage to make that high voltage. If your Inverter output is 1200 Watts, then your Alternator needs to supply at least 1200 Watts. Divide the number of Watts needed, by the voltage supplied by the Alternator. Keep in mind, Inverters are not 100% efficient. The use energy in order to do work; about 10% if efficient.

Stan Meyer's cell was said to be using only half of an amp. That is just the cell. We are not told how many total Watts his system was using. He used high voltage. He had an alternator and a motor generator, as well as an Inverter; plus other electronics that created high frequencies and their harmonics. Volts x Amps = Watts.

Using an Inverter to operate your Cell:

  • The Inverter changes 12 volt DC into 120 high voltage AC.
  • The Controller is used to vary the AC voltage (not a PWM but has a similar function)
  • The Diode Bridge Rectifier separates the AC positive and negative cycles into DC Voltage pulses. We need DC to power the Cell.
  • Varying the voltage output with the Controller, controls the Amperage draw of the Cell.
  • When voltage decreases, amperage decreases in direct proportion (as long as the Cell's resistance remains the same).
  • Warning: high voltage requires Less Electrolyte; a lot less.



Here are some websites that specialize in Inverters:






Boost 3000 Watt Inverter
  • 3000 Watts Continuous, 6000 Watts Peak
  • 90% efficient
  • 3 amp draw, with no load (when turned On)
  • Higher Wattage are available by the seller
  • 222 Amps from your alternator, at 3000 Watts

  eBay seller

User Manual


6000 Watt Inverter / 120v / 60 Hz
  • 50 Continuous Amp Output
  • 90% Efficiency
  • 6000 Watts Continuous, 12,000 Peak
  • 12vdc to AC
  • Works with Inductive Loads
  • 444 amps from your alternator at 6000 Watts

Information at Voltage Converters.com


3500 Watt Inverter 120 vac / 60 Hz
  • 29 Amps Continuous
  • 90% Efficient
  • 12vdc to 120vac
  • Cordless Remote
  • 7000 Watts Peak
  • Works with Inductive Loads
  • 259 Amps from your alternator at 3500 Watts

  Information at Voltage Converters.com

  2300 Watt Inverter / 120v / 60 Hz

  Information at Voltage Converters.com

  • Comes with a Wireless Remote, For ON/OFF capability
  • 19.2 Continuous Amps
  • 90% efficiency
  • Cordless Remote
  • 12vdc to AC
  • Works with Inductive Loads
  • 170 Amps from your alternator at 2300 Watts
  • Watch the video below


DC to AC Inverter Sizing Considerations
Battery Backup Calculator
Diode Bridge Rectifier & Voltage Controllers





12 VDC Battery

DC to 120 VAC Inverter AC Controller AC to DC Bridge Rectifier HHO Generator
X2 - HHO Generator Kit





Could you please tell, is there a difference in inverters of 120V 3kW and 220V 3kW, when applying them to hydrogen system. And if there is a difference, could you please specify, what the difference is?

The difference between 120 volts and 220 volts, is the electrical pressure; higher voltage creates more pressure. Electrical Pressure is measured in Watts of Power. 

Volts x Amps = Watts
120v x 5 Amps = 600 Watts
220v x 5 Amps = 1100 Watts (more powerful than 120v x 5 amps = 600 watts)

When applying voltage for use in an Electrolysis HHO Generator, we strive to keep the Plate voltage at or close to 2 volts. Lower voltage increases the Operating Time for producing HHO; it also reduces the amount of HHO generated. Higher than 2 volts reduces Operating Time for HHO production, and increases HHO production. So, Voltage becomes a Heat factor that must be considered. We want our Generators to operate efficient so that the plates do not get hot. To do this, we keep the voltage at, or close to, 2 volts (DC).

If a 12 volt battery is the power source, we can reduce the voltage to the plates by adding Neutral plates between positive and negative. 

+  -  = 12 volts between the plates.
+ n - = 6 volts between the plates
+ n n - = 4 volts between the plates
+ n n n - = 3 volts between the plates
+ n n n n - =  2.4 volts between the plates
+ n n n n n - = 2 volts between the plates  

In the last configuration, above, it took 5 neutral plates to reduce the 12 volts to 2 volts between each set of plates. This configuration, + n n n n n - , consists of 7 plates in Series. Amperage that passes from negative to positive, passes through each set of plates. That same amperage makes HHO between each set of plates. The electrical pressure is 2 volts between each set of plates. The number of neutral plates is what is reducing the voltage. The amount of amperage passing thru, is what is creating the HHO. It is also what is creating the Heat. 

Faraday tells us that 1 amp will make 10.44 ML of HHO between a set of positive and negative electrode plates ( + - )

He also tells us that 1.24 volts is the least amount to use (when using battery acid as the electrolyte). Higher voltage produces heat.

KOH minimum is 1.67 volts; NaOH minimum is 1.69 volts. Because there are so many variances, I suggest using 2 volts as the established plate voltage; a good goal to reach for. Your Generator will operate for long periods without overheating.

So, what does all of this information do to answer your question?
It tells us that a 220 volt Inverter will need twice as many electrode plates -- in series -- as a 110 volt Inverter.
It also tells us that the 220 volt Inverter will be capable of producing twice as much HHO.
If you want to produce a lot of HHO, 120 volts can do it. But if you want to produce even more 220 volts will do it. And, 330v, and 440v.

 The problem with using Inverters:
Inverters take DC voltage and change it to AC voltage. That requires amperage.
In the picture below, an Alternator is supplying 13.5 vdc, at 88.89 amps (1200 watts) to an Inverter.
The Inverter is changing that to 120 volts rated at 1200 watts, that can handle a load up to 10 amps.

120 volts, would need 61 plates in series to have plate voltage at 2 volts. It will need 10 amps to produce 1200 Watts and 6.264 LPM.
A 12 volt generator would need 10 sets of 7 plates in series, each drawing 10 amps (100 amps total), to produce 1200 watts and 6.264 LPM.
A 220 volt generator would need 111 plates in series at 2 volts, and 5.455 amps to produce 1200 watts and 6.264 LPM.

Bottom line is, it takes power to make HHO. And it takes power to make voltage. If you use an Inverter on your 12 volt power system, it is going to draw more power from your alternator than you thought it would. The same can be said for DC to DC Converters. In the long run, from the alternators view, I think it is best to just work with the power source you have.  












Page Last Edited - 04/03/2022

    Copyright 2003   All rights reserved.   Revised: 04/03/22.                                             Web Author, David Biggs
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