Will a 850w generator run??

Submitted: Saturday, Dec 08, 2007 at 18:34
ThreadID: 52372 Views:9079 Replies:6 FollowUps:2
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Hey had a few problems with my digital inverter type generator of late and thinking of buying one of those gmc 850w gennies to do the job(only used to charge up deep cycle battery once a week) and was wondering if it would run my 3 stage 12 amp charger??? would 850w be enough or would even 450w be enough(save on size noise and weight) my digital generator was 1000w and ran the charger no problem ???
Thanks
Beau
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Reply By: Shaker - Saturday, Dec 08, 2007 at 18:45

Saturday, Dec 08, 2007 at 18:45
Yes, it will do it easily.
AnswerID: 275662

Reply By: Member - George (WA) - Saturday, Dec 08, 2007 at 18:53

Saturday, Dec 08, 2007 at 18:53
Hi Beau, If your 3 stage charger has a circuit board in it then don't use one of those cheap china gennies to run it. I found out the hard way and burned out my 3 stage charger. These cheap gennies don't regulate the power output other than the governor
Cheers
AnswerID: 275665

Follow Up By: Shaker - Saturday, Dec 08, 2007 at 19:24

Saturday, Dec 08, 2007 at 19:24
You may have been unlucky, or let it run out of fuel.
I know of several quite successfully running 'smart' battery chargers.
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FollowupID: 539448

Follow Up By: Member - Fred G (NSW) - Saturday, Dec 08, 2007 at 20:14

Saturday, Dec 08, 2007 at 20:14
As a general camp generator, I have nothing but the highest regard for a GMC 850. Bought one five years ago (on special) to supply lighting for our bush camp shown in my profile, and a second as backup as I was dubious about buying a generator for $89.00 at home hardware. Let me tell you after many hours work, I cannot kill it with an axe. I share my chainsaw fuel with it, and a full tank runs it for about 14 hrs. I only run lights and a T.V. A bit smokey and with a 30m lead reasonably quite.It suffers heavy power surges on switching on more lights, and seems heavily governed by the auto governor, rather than smoothly regulated for delicate appliances, so for a general camp generator, I have nothing but praise for it. I run the lighting for three vans equating to about 9 X 60 watt globes, and the TV, and we leave one outside light light on all night. Probably best to go with one of those Honda EU models, which apparently support what you want, but cost much moreCheers....Fred.
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FollowupID: 539459

Reply By: Member - Olcoolone (S.A) - Saturday, Dec 08, 2007 at 20:19

Saturday, Dec 08, 2007 at 20:19
Why not use the charging thing on the side of your engine....charge alot quicker then a battery charger and is proberly more quite.

Regards Richard
AnswerID: 275689

Reply By: Member - swagman(VIC) - Sunday, Dec 09, 2007 at 07:59

Sunday, Dec 09, 2007 at 07:59
the newer models of the gmc gennies,last 6 months or more have avc-auto voltage control on them.and work quite well.it stops the surges when plugging in something or removing it.have seen their bloke testing them and showing it working
AnswerID: 275749

Reply By: yowie - Sunday, Dec 09, 2007 at 11:44

Sunday, Dec 09, 2007 at 11:44
Battery Chargers should run better than 80% efficiency there for 12amps x 14.2 volts / 0.8 = 213watts
AnswerID: 275770

Reply By: ROCKBITER - Monday, Dec 10, 2007 at 18:42

Monday, Dec 10, 2007 at 18:42
Beau
Thing about generators where a lot of people get sucked is that
to run any sort of electrical equipment is that it should be hertz controled like the honda Gx 1000 or similar.
240 Volt power from your house supplied at 50 hertz so to run your engel fridge computer battery charger it must be at 50 hertz.
An 850 watt generator can run 8 X 100 wat globes.
If the generator is not hertz controled the appliance will receive
hertz up to 60 or more and that will damage appliances.
The generator must be hertz controlled.
Hope this will give you some idea so the GMC specials are not much chop.
AnswerID: 275973

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