Generator Battery Dead! Will it still Run?
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- Опубликовано: 10 сен 2024
- Not all Generators are the same. When the battery is dead some dual fuel units may only run on one specific fuel. Gas or either propane. Some will do both. Make sure you check that way you know which fuel it will run on if the battery is dead. Hope this helped you out. #generator #tips #inverter #dualfuel
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I think what is going on on most of the tests is that if you start the generator with a little bit of gas in the carb, then it produces just enough power to energize the electric solenoid that permits propane flow. After that, it continues to run on propane. So I think if you started with dry gasoline tanks, the results would be different.
I guess I could start them with it on propane to make sure solenoid is fully activated into the carb which stops fuel flow, then try again with a restart on propane. That way any initial gas would have been used.
@brindlebrown you are correct. I noticed many manufactures have instructions for powering down. This includes closing the fuel valve, running engine until shutoff. This is on non-inverters in my experience.
That is what I was thinking as well ... the small amount of gas left after the gasoline test was maybe enough to start the generator and then the propane starting working. I mainly want to use my dual fuel running on propane but this may be a work around if my battery doesn't have enough charge.
This is exactly why I run my gensets twice a month. If the battery gets weak, you'll know it hopefully in time to replace before it's really needed. As always, great video and love the topic!
Thank you 👍🏼 And yea I do at least once a month or two. The newer lithium batts tend to hold a good charge.
I replaced the 7ah lead acid with 6ah Lifepo4 pack i made from old cells. It starts the genset. Everytime. And the self discharge is so low on them that when i bought them they were already sitting on the shelf for four years since manufacturing yet they had 3.6v
I bought each cell for slightly more than a $ each. So nearly 6$ for the whole pack with meritals. Got a deal on them because the cells were old & expired.
Nice when you can piece a battery together with some spare parts for super cheap! Nice job
The propane lines had air in them, that's all. When you pull start, it takes many pulls when using propane. Even electric start takes a few times but by hand it just takes longer. They will ALL run on propane or gas without a battery. The battery is not required to run.
My Champion 3500 watt duo fuel will start on propane but not gas with a dead battery. It needs power to open a solenoid for gas to flow. It covers in in the owners manual.
Correct my older champion did the same. Which I was surprised all these ran on propane and gas. And yes the solenoid needs power for the pin to move in and out.
I have video’s demonstrating this..👍🏼
Manual propane fuel valve will probably work. Ignition is magneto. Once running it generates enough DC for the control logic.
I own the 7250 running on propane. Had starting issues. Just cracked the valves opened on both of
Tank and generator side
And see if it will start. If does not start adjust until it does.
Thank you for the video. One issue that you didn't address, at least in this video, is: Does a generator without a battery actually produce an AC output? Under what circumstances might or might it not produce an AC output? What if there isn't enough residual magnetism in the rotor to self-excite?
The generator will put out AC out put regardless if there is a battery or not. The battery just starts the unit
Better is irrelevant completely separate
Thanks Johnny, that's a really valuable test. I am fairly sure all the single cylinder standard gasoline only generators will run without the battery unless they are fuel injected. I think all of the V-twin generators need battery power to run the ignition.
The designers of those generators that won't run without battery power obviously don't understand necessary critical operation when the generator is used for backup emergency power. If you are serious about maintaining your backup power, you will run your generator periodically to exercise it and and make sure it is performing properly. However, the average person doesn't think about the generator until the power is out. I can't speak for the Lithium batteries the generators are starting to come with now but, the sealed lead-acid batteries typically last 1 - 2 years if left in the generator, which is generally stored in a room with an uncontrolled temperature. I have had so much trouble with these batteries dying, that I only install the battery in the unit when I actually use it. When not being used, I keep the battery in a controlled environment and charge it every 2 months, which extends the battery life to at least 5 years.
Mounting any battery inside one of these soundproofed generators results in a brutal operating environment for the battery, with the heat being the number one problem. This holds true for the Lithium batteries as well as the lead-acid, the battery should never be exposed to temperatures over 90F/32C. If the battery is mounted properly, it will be in front of the air intake for the inverter circuit. My concern with the use of lithium-ion batteries in these generators is, if overheated, they could catch on fire (a fire that is self-sustaining) but, time will tell.
Hi Bill, thanks.
Yes most people will not due proper generator exercise or sometimes even maintenance.
I know people who bought a generator and have it ready to go, so they say but it’s still new in the box! 🤷🏼♂️ I tell people you need to check it! Ohh but they may want to return it lol… hey to each there own.
And yea will be interesting to see how long some of these lithiums do in the enclosed environment especially in summer when the internal temp could be 120f inside those.
And yea that’s the problem with lithium, once they start on fire, thermal runaway is a bitch!!!
Sorry for that last part but it’s cool to see and not!!! 😂👍🏼
@@johnnysweekends Ha ha, you are so right about the (popular) zero maintenance plan. I live in Florida and every so often on Facebook Marketplace I see people selling their generator still sealed in the original box that they bought when a hurricane was threatening. The box often times has water, grease, and dust stains from sitting in the garage for a few years. To top things off, they list a selling price that is the same or slightly higher than new ones in the store.
Yea they buy them when things look like it might get hairy, and of course then demand is up and so is price. So they don’t use them and then try to sell during normal times with not much demand. So unfortunately they are going to take a decent hit.
I like the “I have a generator, so I’m good.”
Oh nice, what kind is it? “Idk I forget, its still in the box.” 🤦🏼♂️
Great video, Genmax has a diverse line of products, I wish they were available in Canada.
Thank you, and wow not available in Canada..?
@@johnnysweekends Unfortunately not, if you know of a source please let me know.
I will all my contact if they plan to sell up there. Maybe a certain regulation 🤷🏼♂️
Catch 22 with an electric fuel valve: Without electrical power, the fuel valve won't open. Without fuel, it won't start. Heavy cranking might just generate enough electrical power to open the fuel valve. Energy to open the valve could be different for fuel types. Also, it could depend if the generator was just running previously. There could be just a minute amount of fuel remaining in the carburetor jet. There may still be some propane in the hose going to the carburetor. A manual valving could make it start reliably.
They start
This is a great test. Great info...thanks.
You’re welcome glad it helped. 😀👍🏼
What would happen with a battery connected with let's say 10ish volts? Not enough to start it but some signal reference?
👍
Yup that I would think would activate the solenoid for the propane for a quicker start. Or jump the choke over for gas.
I need a new battery for my genmax 5500i. does it take a special battery? does it hurt anything to run them with no battery?
No just same volt and amp spec. eBay or batteries plus or look in manual for customer service or parts email.
Great videos. Could Generator be plugged into trailer battery if Gen battery is dead?
If you are running a jumper cable technically then yes. But if you try and charge from the trailer it self that’s a lot of amps into a little battery. Will cook it
@@johnnysweekends Thanks for the reply..I'm thinking of running a power line from trailer to generator because I"m sure the little generator battery will fail. Unplug generator battery and plug into trailer feed
My question is, can you switch it from gas to propane while the generator is running?
Not these but a couple models can from other brands
Good chance a backup generator will have a dead battery.
I have the Genmax 9000 IEDC with 10 hours in the clock. It was stored drained or gas on the tank and carb. The battery reads 12.5 volts but will not crank up to start. I tried to start it on gas as well and it won't. May I ask for suggestion? I called genmax and was told to bring it to a repair shop at my cost.
The battery at 12.5 volts is about 70 percent charged. And being a little battery that might not be enough. I would try it on propane pull start only. Turn unit to on position and then open the propane set up and try and pull start it. It’s will take a few to purge the propane but not much. The battery can be replaced at a batteries plus or sports vehicle shop. They normally can find replacements. The batteries are small son unfortunately charge doesn’t last to long. About 3 months how long did your sit?
My battery is connected to a maintainer tender. I tried the propane already and pull start so far it has nit run yet.
@johnnysweekends I finally got it to run. I replaced the 10 hour old battery and the 10 hour old spark plug with NGK irridium and it now run much better.
@mariojalata5259 I was gonna ask the last time you did maintenance or if you have changed the plug. The stock Torque plugs are trash!!! The iridium can be a little odd sometimes to because the ignition is basic not like a car that’s all digital. A stock NGK buy like a pack of 3 and you’ll be good for a while, but since the one you have is new just use it till its hard to start again. Then swap out the plug . Always a good diagnostic tool……spark plug change..👍🏼 Glad its working and thanks for letting me know and others 👊🏼👍🏼
I use my jump starter to start my generator when the generator battery is dead
I wonder if a dead battery has to be disconnected for the generator to run without it. I have the Maxpeedingrods dual fuel generator, which started fine about 2 months ago. I left the battery connected, no trickle charge, and when I went to start it today, on propane, it wouldn’t start with the start button. And wouldn’t start with the recoil either…..????
Disconnect the battery and open the choke manually if its closed for propane
@@johnnysweekends Thanks for your reply. Will try it again in the morning, with the battery disconnected. Maybe that’s the trick. Fingers crossed!!
@@johnnysweekendsSorry to bother you with this, but while maxpeeding rods makes a great generator, their customer service is not great. My battery is dead, and I’ve been unable to get it started with the recoil. Is it safe to recharge the battery with a battery charger? And if I could get the generator started with a jumper, how long does the generator have to run to recharge the battery?? Maxpeeding rods hasn’t responded to me. Edit: LOL they just answered me, just advising to ‘use the recoil to start it and it will charge while running’>
Wow you have a lot
Lol thanks 👍🏼😀
Do you recommend a battery charger/maintainer like a NOCO? If so, which one? I've been thinking about this for a while
This is what I do. I use a 1.5 amp battery tender and works great.
The noco is good but it’s doesn’t give you the correct battery connectors. This one from GooLoo does all batts and comes with a pigtail to put on your batt.
So it’s a option.
amzn.to/3IrtALb
I have the 3500 brand new out of box starts on both gas and propane runs for a few seconds the dies any ideas
The Genmax dual fuel I assume. Wow thats really weird to not have it run on either.
Is the propane tank new..?
Some new tanks need to be cycled for higher flows like a generator.
Did you look inside to make sure battery is connected. I assume it is.
I would change the spark plug just for the heck of it. I actually had a new unit a long time ago and kinda the same problem and popped a new plug in and bam away it went. That’s not normally the case though. If not maybe you should return it asap. Normally if it doesn’t run on gas it will run on propane. That would mean the carb low speed jet is plugged.
You are priming the propane regulator correct..?
@@johnnysweekends and the first gas I used was old gas
I’m gonna try a brand new tank of propane in the morning
Let me know what ya find out ..👍🏼
Great Video!
Thanks 👍🏼😀
Interesting because the battery of my GM3500iED died and I can not start the generator without the battery. Lucky me I have a 2nd GM3500iED and I use that battery for now.
If using gasoline you need to manually close the choke if it’s cold and it hasn’t been ran. Wish I had mentioned it. If using propane you doing need the choke.
@@johnnysweekends I am using Gasoline. Can you explain a little more what you mean by manually close the choke. Where? Is that the fuel selection switch?
@JavierRivera the choke on an automatic or electric choke is done automatically so there is no manual operation. You have to pop the side panel off and manually close the choke on the carberator. With propane it’s not needed.
@@johnnysweekends You might have to make a video or send me a video or pics because I opened the side but I can not see clearly where on the carburetor. I have to say that the carburetor is kinda hidden. I look into the Genmax user manual but I can not find any information.
what I want to know is where you got that propane regulator for the genmax 3500. I can tell it's not the original one and I was wondering if your original one they sent with the generator failed in your case also. Mine failed with less than 5 hours on it and 1 year old. Very disappointed in genmax , I don't even know if I want to buy a replacement from them.
The reg I got was the original one and maybe they changed it. But regulators can fail at anytime. I replaced two on my rv that were not even a year old. Sometimes it’s a bad batch. My other RV was part of a recall. Sometimes they are just junk especially when everything is from china and some are just better than others and no way to tell.
The world is turning to disposable items as they know units that last forever is bad business lol. So sad
yes , I hear you , to be fair my regulator looks different than yours , no brand , more like generic
while I know genmax didn’t make the regulator , they did try to cut corners in other areas with that generator, like not having a main switch off on the older models of GM3500iAED , and because of that the battery is mostly dead lol
I am not bashing genmax , I have 2 of their units , loved them just , surprised that one didn’t last more than 5 hours
I did call them and started a ticket but it might be over the 1 year warranty. I do want to give them a chance to make things right before a youtube video will come out 😂
@danieltimisan6820 let me know what happens as I like to keep up on CS to see how they are doing. I do like how Genmax is at least pushing new models more than anyone else. Is everyone a winner, no but no one else was doing much and now it seems everyone is ramping up.
Champion makes a duel fuel open frame inverter pull start only generator. I'm thinking of buying it for a backup for 3 regular gas generators. Like the duel fuel option, the model# is 200978. Anyone out there had any experience with it...
I have not played with that unit. But I’m sure it will start on one of the fuels. Although even though they say quiet technology its still a decent amount louder then a enclosed frame inverter gen.
@@johnnysweekends Thanks brother, I'm gonna give it a try.
My battery wasn't dead...it was wired wrong at the plug from the factory.
My Champion will run on propane with dead battery.
My champion did the same but would not run on both. I was surprised these ran on both.
Good video, thank you, but a comment on language. In Usian, you refer to "gas" meaning gasoline, whereas in English we call this "petrol". Then you are stuck with what to call the propane. It's actually a real gas, and we would call it "gas" in English. In USian, you need to be very specific about what sort of gas it is. So, you need to specify Hydrogen, methane, ethane, propane, butane. In English, all of those would be gas. 😄
Lol yea we combine a lot over here.
But most here say I need gas as in gasoline, and propane or LPG is low pressure gas or NG natural gas. Most say gas, propane or natural gas. But I’m sure people can put it together 👍🏼
Where to get the Battery for the dual fuel genmax? Seems to be a plastic cartridge which can’t be opened that contains the cells. Its printed with 1.6Ah / 12.8 V but I can’t find any spare part battery for that machine. Someone found them?
It’s not serviceable look in manual for parts warehouse
Did you proceed the test with „warm generators“?
Wondering that I can’t pull start mine without or with dead battery if it didn’t run for two weeks. If I do start it with a proper battery it’s no problem to then disconnect the battery and restart it by pulling the cord.
Afaik the genmax does not have a manual choke, so I think it controls the choke on a electric basis. So without a working battery and a generator which isn’t warm maybe it won’t start because the choke isn’t „activated“?
What’s your appreciated thoughts about that?
I did cold starts as i started the video as you saw it. But yes agree with no manual choke its a lot harder. Pop the panel off and rock the choke over by hand and so much easier. I’ll have to maybe show people that. Sometimes I forget small tips 👍🏼
@@johnnysweekends would be awesome. No clue where the manual choke is at this machine behind the panel (If it have one?). The German manual doesn’t give a hint. Thanks for responding… and for all the videos of course :-).
There is no manual choke honestly its just turning the the choke stepper motor. And once it fires it will correct it self.
See just like cars and motorcycles becoming more complicated taking kickstarts of the motorcycles generators are becoming that way too. There was nothing wrong with old made in Japan Yamaha and Honda that had a pull start only and started every time. Society is stupid
Not stupid just lazy. Ok well maybe becoming both…🤔 am I becoming both…🤔🤔🤔😂👍🏼
Genmax now out of business
Lol they are not…