Power Supplies For 12v only fridges

Submitted: Wednesday, Feb 16, 2011 at 15:04
ThreadID: 84405 Views:2797 Replies:3 FollowUps:1
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at moment i have a waeco fridge using a mobitronics rectifier to power it when on 240v power. Being somewhat of a cheapskate at the moment I dont wish to throw away my el cheapo GMC 750w 2 stroke generator. The problem is the fridge wont run off the gennie using the mobitronics rectifier, it keeps bringing up the alarm for low voltage. Is there any other power supply (not charger) that I could use in place of the mobitronics that would not be so sensitive to the variations of the gennie?. The one that must be obeyed does not want to go into any large costs for smartchargers, etc nor does she nor I want to have to run gennie for long periods of time. I was thinking if I could get a suitable power supply, i would then be able to use my existing 3 stage charger(6 amp) to pump all into the battery whilst not under load. Any help appreciated.
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Reply By: Bushranger1 - Wednesday, Feb 16, 2011 at 16:15

Wednesday, Feb 16, 2011 at 16:15
I run my Engel Direct off a 12 volt battery. I have a 10 amp charger connected to the battery & run my elcheapo GMC generator for a few hours each day to keep the battery charged up.
My fridge remains connected to to the battery whilst it's being charged.

AnswerID: 445660

Reply By: Notso - Wednesday, Feb 16, 2011 at 16:41

Wednesday, Feb 16, 2011 at 16:41
Maybe your generator voltage is low, have it checked.
AnswerID: 445665

Reply By: Motherhen - Wednesday, Feb 16, 2011 at 16:57

Wednesday, Feb 16, 2011 at 16:57
Hi Kevmac

As far as i know, Mobitronics is the only rectifier for this purpose currently available in Australia. Yours may be faulty; they don't have the best of reputations for perfection. We gave up using ours as the fridge runs through it even when on 12 volt and it caused enough power drop to give us problems even when the batteries we well charged. We now run it direct wried to the battery, and we can use a battery charger if needed from mains or genny to top up the batteries. We have solar power which is usually enough.



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AnswerID: 445667

Follow Up By: kevmac....(WA) - Wednesday, Feb 16, 2011 at 17:41

Wednesday, Feb 16, 2011 at 17:41
The mobitronics works fine on 240v that is the strange thing, so looks like I keep it purely for caravan parks and disconnect it when bush camping. I did tell u I was a cheapskate and trying to save money hahaha !!! Thx anyway motherhen.
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