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  #1  
Old 04-01-2011
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Big Power Inverter Questions

Ok, I want to hook up a 3000 watt power inverter, wired through the firewall to the battery (properly). But before I perform this long and arduous process, I want to make sure the engine and electrical system can handle this. I run a landscaping and snow removal business, and I want to be able to use my laptop and my portable printer to print invoices on the job site, so I need some power there. I also want to rig up some other electronic devices. Will my '08 Ford Ranger XLT (4.0L V6 SOHC) engine and electrical system handle this increased load on the stock battery and alternator? Also, in the near future I plan on installing a 6' Plow (Wisconsin Snow is terrible), if I do this will the battery have to be upgraded and a larger alternator installed?
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Old 04-01-2011
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I'd definitely upgrade the battery, alternator & stock wiring & get the biggest CCA battery you can fit under the hood for that kind of load.

Your stock alternator is probably about 100-110amps which will have a little room for extra lights, a small amp, etc. but adding another 3,000w to the electrical system will be asking way too much from it I'm afraid.

3000w @ 12.5v = 240amps at maximum draw which is well over 2x what your stock electrical system can handle. Even at 14.5v that's still 207amps.

I'm running a 200amp alternator and I have no where that amount of load in my truck. My voltage stays around 14v - 14.9v all the time at idle and I have plenty of power no matter how much stuff I have running: amps, multiple fog lights, etc.
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Old 04-01-2011
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Quote:
Originally Posted by buggman View Post
I'd definitely upgrade the battery, alternator & stock wiring & get the biggest CCA battery you can fit under the hood for that kind of load.

Your stock alternator is probably about 100-110amps which will have a little room for extra lights, a small amp, etc. but adding another 3,000w to the electrical system will be asking way too much from it I'm afraid.

3000w @ 12.5v = 240amps at maximum draw which is well over 2x what your stock electrical system can handle. Even at 14.5v that's still 207amps.

I'm running a 200amp alternator and I have no where that amount of load in my truck. My voltage stays around 14v - 14.9v all the time at idle and I have plenty of power no matter how much stuff I have running: amps, multiple fog lights, etc.
What if I was to install just an 800 watt inverter, should I at least still upgrade the battery?
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Old 04-01-2011
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The battery won't have a huge impact... when the truck is running, everything gets power from the alternator.

A larger capacity battery won't hurt, but you have to remember that your alternator has to charge the battery & run all the accessories, so it will have a greater load. Not to mention the factory wiring is pretty minimal.

You can probably get by with a smaller inverter (800-1000w) as long as you don't use it all the time or have it in use when the truck isn't running.

If you're like me, you want the maximum out of everything & eventually you'll want more than a 1000w inverter to run even more stuff.

You can always start out small & work your way up. See if a 1000w+/- inverter will power what you want to use & see if your stock electrical system will handle it... if needed, start upgrading as needed; battery & wiring, alternator.
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Old 04-02-2011
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if you are putting a plow on your truck first thing i would do is run dual batteries. we were having problems with our plow truck at work its a 2000 chevy 2500. it would have days were it would work and others were the cyl would just click i cleaned every connector one day and couldnt fix it. my boss told me to fix it and do w.e i had to do. so i put a second battery in that is only for the plow and what a world of difference. it made the whole system work better
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  #6  
Old 04-25-2011
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I just saw this thread and I have also started my inverter install. I installed a 800w 1500 peak inverter in the area where the oem jack use to be, i also cut out the oem jack mounting plate. I ran a very flexible 4 gauge wire from my inverter (one end plugs into my inverter), drilled a hole next to the inverter and down and out under the ranger towards the passenger rear and up to the bed. I than mounted a box their and it has a wall outlet inside of a marine covers. I will finish the rest of the install by running my red and black wires to the battery.

question? should I also install a 120amp breaker near the battery for safety? should I also install my alternator? I am upgrading my battery just so you know.

p.s I wont be using mine for big items. only to inflate my boat and maybe power the laptop.
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Old 12-03-2011
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3000 Watt inverter on 2000 Ford Ranger

Hey,

I want to install a 3000 Watt inverter on my 2000 Ford Ranger. I was wondering if my stock 12 V, 540 CCA, 675 CA battery; stock wiring, and stock alternator can handle it.

A few other upgrades I want to do down the road regarding electricity is:
1. 3000 Watt inverter
- Voltec 3000 Watt Power Inverter
- http://www.invertersrus.com/voltec-10-00483.html

2. Winch
- Mile Marker E9000 Winch
-
Amazon Amazon

3. Rack behind the cab with off-road lights

All help is greatly appreciated!

---Harrison

Last edited by hwemple; 12-03-2011 at 01:18 PM.
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Old 12-03-2011
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I would upgrade the battery just like the second post says and while your at it buy a bigger alternator.
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  #9  
Old 12-03-2011
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For the OP and cigarette lighter type power adapter should suite your needs, you may need to unplug the laptop to run the printer pending size.

hwemple

Do you really need to run an conditioner in your truck? That is about the only thing I can think of that will need a 3kw inverter.

Ditch those lead acid POS crap batteries and go with optima yellow tops if you use the winch often or reds if you dont. They will double your capacity, IIRC my red top is a 990 CCA compared the stock 540 CCA in the same location.

You need to upgrade the alt wiring and battery's IMHO. The truck can handle one of those demands separately, I really doubt you need a 3kw inverter.
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  #10  
Old 12-03-2011
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Re: 3000 watt inverter for 2000 ford ranger

To 98liftedranger: What do you mean "upgraded battery?"

To Blhde: What is "OP," "battery IMHO," "IIRC?" What size battery do you think I need? What kind of upgrade in alternator wiring should I do--such as what gauge?

Also, 3kW inverter is not for an conditioner, it is for running power tools, or for refrigerators in a power outage, etc. I am interested in a 3000 W inverter because I drove an ice cream truck over the summer and noticed that they used a 3000 W inverter and used that to power 2 freezers and some other things.

Thank you for your help. Also, don't refrain from being technical, I am in my second year for Aerospace Engineering, so I would embrace the technical side of it.
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  #11  
Old 12-03-2011
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OP = original poster
IMHO = In My Honest Opinion
IIRC = If I Remember Correctly

If you want backup emergency power an inverter it would mean your truck will need to idle the entire time you plan to run the inverter. Depending on the load you may get away with as much as 3 hours of not idling, but you would need to drive or not have the load anymore to charge batteries.

Honestly a small 3kw generator would serve you better in this situation. For the winch I would switch to an AGM or optima style battery to replace whatever you have now. They will provide much more power for a longer duration than the lead acid battery. The Yellow tops are made to drained dead then recharged, but I doubt you will need to run the winch with out the engine functioning so yellow tops would be overkill.

If you choose to buy a generator you can leave the truck alone if you choose. I doubt the lights are of significant size to pose a problem. The winch is an interment use items and that kind of load is to taken by the batteries. The winch will only run for a short time before it needs to cool anyway so the batteries can recharge will the motor cools. If you have the cash a hydraulic option is far better for this anyway.
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  #12  
Old 12-03-2011
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Thanks, Blhde, for the clarification. Around what specs should I look for in a battery?
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  #13  
Old 12-03-2011
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I agree, a small generator would probably suit your needs much better plus the versatility of it will pay alot more dividends such as if your power goes off at home you can run essentials such as your refrigerator and a few others things.
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  #14  
Old 12-03-2011
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Sounds like you have the basics, I think you need to think about your goals before you spend the money.

What school are you taking aerospace engineering at?

http://corp.advanceautoparts.com/eng...osebattery.asp
http://www.optimabatteries.com/home.php
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  #15  
Old 12-04-2011
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I am not an electrical guru but couldn't you run a 200A alt with a yellow top or dual's even. But with the 200A wouldn't it make more sense to run a smaller pulley? or no
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  #16  
Old 12-04-2011
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Quote:
Originally Posted by 04RangerDave View Post
I am not an electrical guru but couldn't you run a 200A alt with a yellow top or dual's even. But with the 200A wouldn't it make more sense to run a smaller pulley? or no
The question is why would do all that when a generator is cheaper more portable and uses less fuel.

The alt should be internally regulated no need to under drive it.
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Old 12-04-2011
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Watch the generators, make sure they can put out clean power, you can destroy the computer and mayb a full size printer if it surges.

BUT, as stated above look at what you need to do…
Do you really need a full size printer, there are smaller printer but they take longer to print and there are smaller invoices/printer that are like a credit card receipt, will that do instead ?

Your idea is good but what are you will to pay to achieve it.

Last edited by Scrambler82; 12-05-2011 at 05:21 AM. Reason: spl chk
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  #18  
Old 12-04-2011
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Blhde:

I am going to Embry-Riddle Aeronautical University, I am just starting to get into the electrical side of it.
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  #19  
Old 12-04-2011
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Scrambler82, the genie isn't for the computer user but for the other question here.


hwemple I had a feeling your were ERAU there isn't many options for that in this region. I am half way through pro aero, but im not sure if that is the final path.
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  #20  
Old 12-04-2011
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Blhde: you're what?
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  #21  
Old 12-04-2011
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Quote:
Originally Posted by Blhde View Post
I am half way through pro aero
Quote:
Originally Posted by hwemple View Post
Blhde: you're what?
Just a guess.... but he may have been talking about Professional Aeronautics.

Have to spell EVERYTHING out for engineers (AND engineering students too) I guess! lol

This thread has cracked me up! lol

Last edited by logan03CO; 12-04-2011 at 06:03 PM.
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  #22  
Old 12-04-2011
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haha, that doesn't answer anything, it could be aeronautical engineer or a pilot--big difference; or both
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  #23  
Old 12-04-2011
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Quote:
Originally Posted by hwemple View Post
Blhde: you're what?
http://worldwide.erau.edu/degrees-pr...ronautics.html




Quote:
Originally Posted by logan03CO View Post

This thread has cracked me up! lol
Glad your enjoying yourself
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  #24  
Old 12-04-2011
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ok, I have never heard of "professional aeronautics" just aeronautical science--pilots, or aeronautical engineering.
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  #25  
Old 12-05-2011
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Good Luck
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