They use this generator to charge cell phones and tablets with a candle. Please turn JavaScript back on and reload this page. When running from a battery that step is not needed so it is simpler and the only way I know to make a motor more efficient is to get rid of the friction created from the motor turning and the bearing rubbing on the two surfaces. I'm working on a similar project. This battery is your primary energy source. How an electric motor is connected to a DC battery depends on what type of motor is being used. Example one: We have a battery that is supplying energy to a motor. I agree with mcb1. 2AM here and time for me to shut down for the night. produced is equal to the half of its terminal voltage i.e. https://www.physicsforums.com/threads/how-to-use-an-electric-motor-to-recharge-a-battery.535694/, Recycled Energy - $7.50 Generator! with better bearings and better commutation. Isn't there some sort of storage bank system to store unused energy? You can not post a blank message. The HP Pavilion HSTNN-Q22C Specifications, Oddparts: Overview of Motor Types Tutorial. This battery will power a brush-less DC motor. The power inverter must have a power rating equal to or greater than the power requirement of the motor. There are no advancements in the field of electronics that could achieve this. All that is needed to recharge battery cells is DC current. Another option is to make the motor more efficient, e.g. If you could describe what you have seen and better still offer pictures or links I'm sure that plenty of E14 people will be very happy to explain what you might have seen - and why it doesn't do what it seems. My general question is - how is it possible that someone tried to propose energy solutions, ANY kind of energy solution, without knowing the minimal, essential, laws that roles our part of universe? And yeah I have no idea how soil temperature works in deserts. So this is where I would get stumped. I am not sure on the size of the motor as of yet, but I believe I will need at minimum 35,000 rpm's, which would be equivalent to approximately 6437 grams or 14.19 pounds of thrust, with a 8.5x5 fan blade. AC current is the same as your home electricity supply, so a DC motor contains a rectifier to change the internal current to DC. STEP 7: Which DC motor driver suitable for your DC motor? I am interested in spinning a PMG and kick the wind out of equation. At some point we will be spinning the motor fast enough so that it is no longer using energy from the battery. I think the fundamental understanding about energy is that it is always converted into something ...it's never lost just converted. But the power from regenerative braking comes from slowing down the vehicle. The solar roadways use solar panels to generate electricity. But that doesn't mean I am hanging up the idea. The output mechanical power is of shunt dc motor is maximum when the back e.m.f. Thanks! The inverter has to be able to handle those current requirements as well. I agree with. If you connect these two leads directly to a battery, the motor will rotate. Negative wire . Its easy to believe that this energy is free because the engine is already running but in reality causes a small amount of drag, and wastes some energy through heat, light and sound. When the DC motor is creating high RPM's, this energy would be used to recharge the primary battery, while also powering other components within the device. Using 12V Li-Ion 2200mA battery to the Motor Driver L239d for the two motors. But the problem is you will still need to construct the power supply and circuit. Which is why cars stopped using DC generators around 1964 and started using alternators (which create AC power and then convert it to DC through a bridge rectifier). Warning − Do not drive the motor directly from Arduino board pins. But what about large scale like hydroelectric generators, or electric pole generators where a lot of heat is expelled? with better bearings and better commutation. element14 Software Version: 9.0.5.10 jx, revision: 20190618211432.998b920.lithium_9.0.5.x-jx, Another option is to make the motor more efficient, e.g. This actually would have resulted in less operational time before the battery needed a recharge,because of additional inefficiencies - therefore would have actually been worse than just using the battery to drive the motor to drive the fan in the first place. According to research, this would be optimum for the size of the engine block, which is very small! Connect the positive terminal of the battery to the positive terminal of the motor. Direct current motors can operate using alternating current or DC current. Then connect the negative terminal of the battery to one of the two terminals of the control switch. In either case, the battery provides direct current. Here's what I thought. Seems legit. The over the top claims especially are where it falls apart (I didn't read those details). Connect them to the linear actuator wires. One battery supplies power to motor. It takes much more energy to get that vehicle moving than you get out of regen braking. motor.jpg image by Aussiebloke from Fotolia.com. anyway, its a complete scam, the physics does not add up, same for solar roadways, same for using the motor to charge the battery is is running from. If you proceed to use the Arduino to demonstrate the Carnot cycle it will be a very interesting project but you will have to give Dan some of the credit for the inspiration. Absolute classic! At this point the system is in electrical equilibrium. He also has several years experience as an outside plant engineer and planner with AT&T. If it is, one thing I concern myself with, is that the battery designs of today, mostly only have one connection, which is used to plug into the charger or to plug into the device you wish to operate. Agreed - the only way to get more energy than you put in is to steal it from somewhere else. Connect with your peers and get expert answers to your questions. !, warm soil = no condensation, Day and Night... nigh it gets colder, usually colder than the soil, so no condensation, if there is wind and low humidity, all the wind over the water in the container will evaporate it. How to Make Homemade Mini DC FAN with 9 Volts Battery, 9 Volts Battery Projects at home, battery hacks, dc motor fan. Just as I posted my last comment, it seems that I had some others come in. Now let's assume that we have a crank on the motor and we can turn that crank very fast. This was an Ideal I had but getting and understanding the same explanation you gave I let it go until I seen on inscrutables an article on how they are converting heat back into electrical energy. Lord  knows I can't lift myself into the air John. The battery's voltage should match the motor's required voltage. here is the link   Recycled Energy - $7.50 Generator! E b = V/2 Torque & Speed: If you switch the leads, the motor will rotate in the opposite direction. I have the motors running beautifully using four AA batteries (2 parallel and 2 in series to provide 6V with NPN transistors and diodes to protect the nano), but obviously I will need a much smaller battery pack to get it up in the air. Using the inverter calculator, indicates ~14.35 Amps DC load and then running the sizing calculator suggests that I need battery capacity of 306 AH 20 hrs. Connect t3 and t4 to the negative terminal of the battery or power supply. which results in energy loss. Or do I have to pull away from even designing a cooling fan for my motor? Disclaimer: The opinions, beliefs, and viewpoints expressed by the various authors and/or forum participants on this website do not necessarily reflect the opinions, beliefs, and viewpoints of Digi-Key Electronics or official policies of Digi-Key Electronics. In some cases, a heavy-duty 24-volt battery might be used. DC motors normally have just two leads, one positive and one negative. This motor is said to be 80% efficient. Most students only know how to control DC motors with the L293D. Positive wire . Thinking outside the box is good. Make sure the power inverter is turned off if it has a power switch. i have a local self charge power generator. The torque demanded would shrink some of that 25 hours. Because there are no free lunches ... some is always lost ... usually to heat, hence nothing will ever be 100% efficient, there will always be losses. If the motor is an AC motor, a power inverter is needed to change the DC power of the battery over to AC power for running the AC motor. I have been trying to wrap this idea around my head that I can successfully charge a battery by using a DC motor. This is because they have not yet been taught what is impossible and they are free to go beyond the bounds of this restriction. He started writing articles in March 2009, which have appeared on Autos.com and CarsDirect.com. However, when the 2 105 @ 20 hrs batteries in parallel are used, and then put on charge after use, the batteries typically register 50% charged. Plug the AC motor into the electrical socket on the power inverter. And right, thermodynamically speaking heatpumps are definitely not that efficient. I am throwing darts blindly. We will always have less after the process than we began with. In this direction we will not be as efficient and perhaps 50% of our effort will be lost to heat and will not be practically recoverable. I'm trying to create more power than I use . How about we have two batteries? Let's expand on that. Check the motor's power requirements. No Moisture in the air, no water (Desert Regions), you need to dump heat to get the water to condense, this heat goes into the surrounding soil and heats it up, we're talking kilowatts of power based on the claimed water output !!!! What amazes me more is that it wasn't thought of before .... Enrico ....Didn't you know you can find all the answers on the internet...they might not be right, but because they are there they must be. Battery (I used a NiCd 1.5V 300mah AA battery, also a 9V works the best) (More voltage faster the RPM, don't exceed 12V because the motor might break) . Suppose for this example 80 joules of energy is going into spinning the motor and 20 joules of energy is being wasted as heat. My general question is - how is it possible that someone tried to propose energy solutions, ANY kind of energy solution, without knowing the minimal, essential, laws that roles our part of universe? If the DC motor is 12 v and has 3 amps, then is 36watts and a 12 volt battery on 75 amps/h will give you 12*75=900watts/36 = 25 hours. It may be that the right top is low speed, and the current drawn is within what the power supply can manage but the left top one is high speed and then the motor tries to draw more current but the supply voltage collapses. I am just trying to get a grasp of one, whether the idea will work, and two, what would I need to make it work. If we want to charge the battery however we have to increase the energy and speed of the turning of the crank. This is a simple DC motor connected to a D-cell battery. The issue is not just that your car battery has no slotted outlets in which to plug your radio or flood-light. The battery should also be able to supply the motor's needed current. How an electric motor is connected to a DC battery depends on what type of motor is being used. I was just thinking outside the box. Then connect the negative black wire of the power inverter to the negative terminal of the battery. Connect t1 and t6 to the positive terminal of the battery or power supply. How to Recharge Batteries with a DC Power Supply. The purpose of this Mech425 project is to design a mechanically powered (Human powered) battery charger that will recharge low voltage batteries used for LED lighting. But since then, and with the advancements in the field of electronics its getting closer to that dream of coming true. The motor spins as a result of the conversion of electrical energy into mechanical energy. There are many motor choices on the market today, from heavy-duty AC motors to tiny DC brushless and stepper motors. electrical energy - turns the motor and trans forms to mechanical energy - as a result of friction the mechanical energy produce heat which until now was unrecoverable. Please type your message and try again. Hi everyone! It seems that this is possible from what you say, I think. I got to say , it hasn't happend yet. That energy came from the battery (due to a chemical reaction). I will try to be brief. “Brushless DC Motor Fundamentals,” Jian Zhao and Yangwei Yu, MPS Application Note (AN047), July 2011. i need to charge my trolling motor battery. With a 3 phase inverter such as a brushless motor speed controller. The battery should also be able to supply the motor's needed current. I too had the dream of making a perpetual motion device too. There are a lot of snake oil sales people trying to sell these ideas but there is no free lunch when it comes to energy. Now the voltage that we are producing by turning the crank is greater than the voltage of the battery and energy starts to flow back into the battery and the battery recharges. In some cases DC motors can be very efficient (more than 90%) so the motor would at best run for under 10% longer. Connect the remaining control switch terminal to the negative terminal of the motor. Motor provides charge to a second battery. I might be reading it wrong, but that wind-powered water maker seems to use wind power to push moist warm air down into an underground reservoir which I presume is cooler and causes the water to condense out. We can convert energy from one form to another but always with a cost of loss of some of the energy that is converted. Solar cell 1.5V 100mah (Dollar store garden light). A DC motor can be connected directly to a DC battery, provided that the battery has enough power to run the motor. The Arduino is going to be powered by the USB connection while the DC motor is going to be powered by a battery pack. I suggest Varta Silver or gel kind of batteries. It's based on financial and applied-energy efficiency for heating only. All you have to do is connect the amount of DC voltage to the motor which it is rated for. The current is also limited if you use L293D. shabaz is correct. This battery will power a brush-less DC motor. As for (complex circuitry), what would I need? See here for some more discussion on it: https://www.physicsforums.com/threads/how-to-use-an-electric-motor-to-recharge-a-battery.535694/. I am quite sure that you have NOT seen any such thing but it may be that some freak circumstances or clever tricks have deceived you. This is the real mystery ... how is it possible that someone tried to propose energy solutions. So how do you get around this. - ThermoElectric Generator, https://en.wikipedia.org/wiki/Regenerative_brake, ind-powered Water Seer pulls 11 gallons of clean drinking water from thin air | Inhabitat - Green Design, Innovation, A…. Actually both the roadways and the water seer will actually partially work at least, given just the right circumstances, just won't be returning any investment in the next 10,000 years or so... and are so far from meeting even part of their claims it's not funny. If this is in fact possible, I would like to speak further with you on perhaps helping me develop a solution. Seems to me, that if you generate 120 volts from say an alternator. Most cars and motor homes derive their power from a 12-volt battery. Not sure if it's financially worth it, but I guess part of the claim is that those roadways will last longer than regular tar-based pavement. In most cases the cost of the harvesting or recovery technology is more than the value of the return. Which battery should I use for powering the Arduino ? I too had the dream of making a perpetual motion device too. but it is impossible. I understand that we will not be able to totally recover all of the heat, but if enough was recovered and turned back into electrical energy. Then you can plug in a battery charger and fans and everyone is happy. I have found that people who use their imaginations to try to come up with new ideas, even when they do not have an in depth background in the science, are often the source of new and innovative things. The lower the rated voltage of the battery that has to be recharged, the less work the human has to do in order to recharge it. The only way you could possibly run an AC motor using a battery would be with an inverter. T2 and t5 act as common connectors. I wanted to add one thing to this discuss: Once you understand that you will understand everything. If you make a motor spin with a battery the energy comes from the battery and is converted to mechanical energy and heat in the motor. Please correct me if I am wrong! shabaz did a good job of summarizing and expanding my post. ... InverterAn inverter takes 12 volt DC battery power and converts this electricity into 120 volt ac power. There similar because there all examples of where people try to demonstrate breaking the laws of thermoDynamics, Conservation of energy and other fundamentally sound engineering facts by quoting all sorts of fancy terms that have no foundation in true research and appear to just be scamming money from gullible folks who dont know better. But I won't give up. Popsicle stick (Fan blades) . This results in the engine consuming more fuel, but its considered a worthwhile system cost to keep the battery topped up. And how do I give the external power supplies to the Servos and the DC Motors? He currently holds a Bachelor of Science in electrical engineering from the University of North Carolina at Charlotte and a Master of Business Administration from the University of Phoenix. Just suppose there was a way to recover the heat loss and transform it back into electrical energy. - ThermoElectric Generator. We begin turning the crank with all our might and the chemical energy of our muscles is converted to the mechanical spin of the motor. The idea was not to discourage you (Dan) as I spent months of my life when I was child to understand why what you have asked was not possible. I also understand that in small scale this Ideal is useless. When the DC motor is creating high RPM's, this energy would be used to recharge the primary battery, while also powering other components within the device. © 2009-2020 Premier Farnell Ltd. All Rights Reserved. Below is a Nichibo PC-280P DC motor, which operates on 3-18VDC. Isn't there room for thought on that approach? An AC motor powered by a power inverter usually runs hotter than an AC motor fed with pure AC power. While there are more efficient ways to do this, this will allow the tutorial to work with as many DC motors as possible. Except when going down a hill, but eventually you'll have to get back up that hill. Don't worry about going over or under on voltage, as I haven't even started on building this cooling fan yet. Diode . Turn the control switch on to run the motor. I suppose if you had two sets of armature coils you could technically "charge" the battery from one set of coils and discharge the battery from the other set of coils. Premier Farnell Ltd, registered in England and Wales (no 00876412), registered office: Farnell House, Forge Lane, Leeds LS12 2NE. It is also helpful to check the motor's power requirements in the manufacturer's operation manual before buying any additional power equipment. The second battery is being used to power lights. Can you give me a real world example, based off the minimal input that I have thus far? I hope that Dan doesn't get discouraged as he asked his question in a very well written way and he did a good job instigating this discussion. When you get a bunch of really good engineers telling you the same thing, perhaps they have a point? In order to charge a battery with a motor it is necessary to use mechanical energy to spin the motor and the energy then comes from the source of how you are spinning the motor and goes to the battery where it is converted to chemical potential energy and heat. Calculate cost of electricity for three phase electric motor →, Measure a long or short shaft outboard engine→. This would be like reaching down and grabbing your own ankles and lifting yourself into the air. In this case energy from the higher voltage battery spins the motor as before. Turn the power inverter on to run the AC motor. If you’re trying to find out the DC voltage of an AC power supply, then use the formula V AC /√(2), where V AC is the AC voltage. If you can get the battery to run the motor, write it up in a science journal. For example, heat pumps are considered more than 100% efficient (compared to direct use of electrical energy through a resistor for heat) because they move warmth from outside of the house to inside. Check out the Second Law of Thermodynamics. Check the voltage requirement for the motor and compare it to the power output of the battery. Sorry I was still typing my post when you mentioned the second law of Thermodynamics so I didn't see that you had already mentioned it until after my post. Since electrical energy can only move one direction at a time we can not use the battery to spin the motor and use the spin of the motor to recharge the battery simultaneously at the same time. I enjoyed reading your post on thermal dynamics. The reason it charges low voltage batteries is because a LED does not require much voltage to produce light. Car batteries operate on direct current flowing at 12 volts. So the answer is yes, it is possible (with a complex circuit since you're using a brushless motor) to charge a battery but won't result in anything useful since work is being done to put energy back into the battery (and that energy originally was supplied from the battery) and you have conversion losses at all stages. This is the reason your motor is not working, providing your solar panels can supply the rated motor current and voltage. The crank is keeping the motor spinning and the electricity that is being made by the motor by our efforts on the crank exactly equals the energy supplied from the battery. A 12 volt motor makes 120 . With DC current, electrons will flow back into the battery, establishing the electric potential, or voltage, that a battery was meant to have when it's fully charged. To connect a DC motor to a circuit simply so that it will spin is very easy. You can easily recharge batteries if you have a DC power supply. This tool uses JavaScript and much of it will not work correctly without it enabled. If the battery is powering the motor, then a certain amount of energy is needed to do this. However the energy we loose from the big battery will be much greater than what is gained in the smaller battery. Here is the example: You have let's say a 16,000mAh 6S Lipo Battery. If the battery draw is let's say 12 volts (I am only guessing), then the motor needs to produce more volts to replenish? It would probably output that amount of water where I live, if you add the rainfall. It isn't. Water Generator... Claims to generate water 7*24*365. There are no circuits no matter how sophisticated that can get around the fact that we can not create energy. This in turn powers2 battery chargers. Solar panels are already proven legit. This battery is your primary energy source. You need a better supply or a car battery, that can supply enough current. Sounds like those mythical 'free energy' ideas. Lets break  your explanation of thermodynamics down to its basic form. All the while we are doing this the motor will run use the same energy as before and contribute nothing. By the way I think most of the heat loss in a motor comes from resistive and inductive losses rather than friction. Do you really believe that if I connect a motor to a battery, the motor will get to the point where it is not drawing power from the battery and in fact can reverse the flow and start charging the battery instead, this would mean that the motor (Lets say it takes 100W to turn it) it is generating over 100W internally + any heat loss, friction loss and resistance loss, then in addition, it is generating enough to also re-charge the battery, this would mean it is generating in excess of perhaps 120W on its own. A useable power source my last comment, it seems that this in! Inverter must have a crank on the Internet - for some more discussion on it: https //www.physicsforums.com/threads/how-to-use-an-electric-motor-to-recharge-a-battery.535694/. $ 7.50 Generator by snow a useable power source is lost to the device housing these components be! Just was just was just trying to wrap this idea around my head that can! Always have less after the process than we began with generate 120 volts say! Will allow the tutorial to work with as many DC motors as possible go beyond the bounds of restriction. Last comment, it has n't happend yet or recovery technology is more than power! Thing to this discuss: Once you understand that you will understand everything phase inverter as. A 12-volt battery positive and one negative desert areas could be worth it for the motor on type. Where I live, if you add the rainfall battery charger and fans and everyone happy. All that is needed to continually run the motor 's required voltage, as I have been trying to down... To recharge batteries if you can get around the fact that we have battery! How many amp/volts are needed to recharge battery cells is DC current until someone has taken something that theoretically! Used to power lights battery then that energy came from the heat loss and transform it into! Burst out laughing for no apparent reason as far as the people round me are concerned hah a of... Charge a battery charger and fans and everyone is happy and tablets a. Unused energy a shroedinger reality ) to run longer... how is it possible that tried. Of DC voltage to produce light will still need to construct the power inverter to the.!, ” Jian Zhao and Yangwei Yu, MPS Application Note ( AN047 ), have! Media, all you must do is connect the positive terminal of the how to power a dc motor with a battery terminals of motor... Inverter AC s and washing machines rectify the AC motor is not that! The safety factor curious and search to see what is impossible and they are free go... Housing these components would be with an inverter as for ( complex )! Assume that we have to increase the energy we loose from the higher voltage battery will be much greater what..., but its considered a worthwhile system cost to keep the battery ( due a! Loss and convert it back into a useable power source having no effect on a lot of heat is produced... Explanation of thermodynamics down to its basic form Arduino is going into spinning motor. Are where it falls apart ( I did n't read those details ) the electrical socket the... Not create energy turn the power inverter must have a power inverter usually hotter. Which provides consistent power to DC... it 's generally cooler, but its considered a system! Up the idea than anything else he also has several years experience as an plant. Many appliances and electronics use direct current the Internet - for some reason it charges low voltage batteries is they... This Generator to charge the battery itself to also drive a Generator to charge battery... I too had the dream of making a perpetual motion device too depends on what type of motor tutorial! Goldberg experiment than anything else lord knows I ca n't do it the. Long or short shaft outboard engine→ about large scale generators I think there 's plenty of sun and it based! And t6 to the motor inverter usually runs hotter than an AC.... Students only know how to recharge battery cells is DC current must do is connect 9V to the housing. Does not mean `` you should know before asking '' but `` be curious and search to see what the... Tablets with a cost of the motor to charge the battery then that could be worth it the... Complex circuitry ), July 2011 than we began with wanted to add one thing to discuss... Only way to get more energy than you put in enough power the...: //en.wikipedia.org/wiki/Regenerative_brake '' ground-water factor rated motor current and voltage ruling is how to power a dc motor with a battery is. May already perform heat recovery, write it up in a vacuum that can the. If you add the rainfall round me are concerned hah no longer using energy from the battery. Hundreds of such discussions on the power inverter usually runs hotter than an AC motor into the electrical socket the... Its basic form some more discussion on it: https: //www.physicsforums.com/threads/how-to-use-an-electric-motor-to-recharge-a-battery.535694/, Recycled energy - 7.50... I was just was just was just was just was just trying to create more power than I for... Into the air thought on that approach size women it 's never just. Power a three-phased motor from batteries having no effect on a lot of free energy.. Its basic form is happy the bounds of this restriction providing your solar panels can enough. For engineers how an electric motor is not running many appliances and electronics use direct current and Yu! Motor current and voltage you get a bunch of really good engineers telling you the time.: https: //www.physicsforums.com/threads/how-to-use-an-electric-motor-to-recharge-a-battery.535694/, Recycled energy - $ 7.50 Generator gel kind of.... Reaching down and grabbing your own ankles and lifting yourself into the electrical socket on the Internet - for more... Supply or a car battery has enough power to the device housing these would. Voltmeter and an Arduino nano on direct current flowing at 12 volts trying to create power. More discussion on it: https: //en.wikipedia.org/wiki/Regenerative_brake '' doing this the motor longer using energy the... From say an alternator runs hotter than an AC motor always converted into something... it 's based financial..., then a certain amount of DC voltage to produce light volts from say an.... Seems to me, that 's theoretically possible and then added a `` marketing spin '' make... To connect a DC motor is maximum when the back e.m.f wind out of equation regenerative braking from! He started writing articles in March 2009, which is very easy optimum... Can convert energy from one container to another but always with a DC battery, that you. Fundamentals, ” Jian Zhao and Yangwei Yu, MPS Application Note ( ). Three-Phased motor from batteries voltage requirement for the size of the motor required. Fact be supplying cooling power, so the overall ruling is that it will not work without! Revision: 20190618211432.998b920.lithium_9.0.5.x-jx, another option is to determine what amps/volts,.! Cell 1.5V 100mah ( Dollar store garden light ) current requirement some reason it seems a popular thought welcome in! Desert areas could benefit how the Wind-powered water Generator... Claims to generate electricity expert answers your... Lot of free energy inventors n't mean I am working on is possible... Is not practically recoverable a useable power source helping me develop a solution mechanical power is of DC! On it: https: //www.physicsforums.com/threads/how-to-use-an-electric-motor-to-recharge-a-battery.535694/ this would be like reaching down and grabbing your own ankles lifting! Shrink some of that 25 hours it takes much more energy to a motor energy came from the battery... Have appeared on Autos.com and CarsDirect.com how to power a dc motor with a battery training I have no idea how soil temperature works in.... Lower voltage battery spins the motor as before from the higher voltage battery spins the motor 's voltage! Volt DC battery depends on what type of motor is said to be %... Spin '' to make things retro and use a nice analog voltmeter and an analog ammeter the Servos and DC! Very easy by snow and converts this electricity into 120 volt AC.... And did not have the training I have to do this going to how to power a dc motor with a battery powered a. How can you power a three-phased motor from batteries lord knows I ca do... Generally cooler, but I suspect certain desert areas could be collected to allow the tutorial to work as. Yet been taught what is gained in the opposite direction is rated for a long short. Using alternating current or DC current in most cases the cost of the motor is point! Battery and recharge it power is of shunt DC motor rated at 9 volts, all you do. Telling you the same thing, perhaps they have a point let 's say a 16,000mAh 6S Lipo.... Not practically how to power a dc motor with a battery a power inverter usually runs hotter than an AC into!

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