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Old 05-23-2014, 10:36 AM   #1
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Battery charger suggestions

I want to get a battery charger which will properly charge the two six volts interstate batteries in the trailer plus serve as a charger/trickle charger for an auto. I'm hoping a couple of you guys who really understand batteries can make a recommendation.
Thanks

Dave
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Old 05-23-2014, 11:01 AM   #2
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I have used this charger to good effect:
12 volt 2-4-8 Amp BatteryMinder
For the 19' Escape I removed the WFCO main board assembly in the bottom of the power distribution center and replaced it with
Boondocker Main Board Assembly for WFCO 8955
It is 4 stage and a direct fit. Remove and replace 5 wires. Much more efficient at charging and maintaining the batteries when using shore power or a generator. I leave the trailer plugged in to a 30 amp receptacle during storage and occasionally check the electrolyte levels.
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Old 05-24-2014, 09:46 AM   #3
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Thanks for the reply, I'm considering the converter charger swap, however I would like to have a stand alone battery charger so will look at the battery tender.
Thanks

Dave
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Old 08-23-2015, 03:38 PM   #4
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I am considering getting either the BatteryMINDer 12 Volt 2/4/8 12248 or the new NOCO Genius G15000 12V/24V 15A model for storage maintenance of my dual 6V Interstates. From looking at their manuals it looks like the BatteryMinder may use charging voltages closer to the Interstate specs but I can't find much specific on the NOCO voltages.

Bob - are you still happy with your BatteryMinder? Anyone have any experience with the NOCO's
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Old 08-23-2015, 04:17 PM   #5
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Eric
I use the BatteryMinder to maintain the large 12V battery installed on the farm tractor. I rely on the Boondocker converter to keep the two 6V batteries charged in the Escape 19. I a very satisfied with both charging systems. With the Boondocker conveter installed in the Escape 19 there is no need for a second battery charger.
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Old 08-23-2015, 06:22 PM   #6
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Thanks Bob. I don't have access to anything more than a 15A outlet for storage, otherwise I would probably go with the Boondocker. But I also like being able to see the mode lights, etc with the external maintainer.
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Old 08-23-2015, 07:09 PM   #7
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Quote:
Originally Posted by thoer View Post
I don't have access to anything more than a 15A outlet for storage, otherwise I would probably go with the Boondocker.
Why would that matter? The converter certainly won't use as much as 15 amps, under any conditions, so if you want to maintain the batteries with the converter you can just use an adapter to plug the 30 amp trailer plug into the 15 amp outlet.
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Old 08-23-2015, 10:17 PM   #8
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Quote:
Originally Posted by Brian B-P View Post
Why would that matter? The converter certainly won't use as much as 15 amps, under any conditions, so if you want to maintain the batteries with the converter you can just use an adapter to plug the 30 amp trailer plug into the 15 amp outlet.
I guess I was assuming that since they are designed the be plugged into a 30A circuit that it might well draw at least 15A at some point in the charge cycle.

But when considering total watts in the 12v DC output to the batteries as opposed to the 120V AC input that I see your point that the AC current draw would never get very high in battery charging.

I am thinking that the BatteryMINDER being designed specifically for long term maintenance and conditioning might do a better job?
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Old 08-24-2015, 12:53 AM   #9
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Quote:
Originally Posted by thoer View Post
I guess I was assuming that since they are designed the be plugged into a 30A circuit that it might well draw at least 15A at some point in the charge cycle.
Most of that current capacity is for AC circuits, not for the converter.

Quote:
Originally Posted by thoer View Post
But when considering total watts in the 12v DC output to the batteries as opposed to the 120V AC input that I see your point that the AC current draw would never get very high in battery charging.
Right, whether it's charging the battery or supplying DC lights and appliances, a 45-amp converter is only going to take about 5 amps AC input.

Quote:
Originally Posted by thoer View Post
I am thinking that the BatteryMINDER being designed specifically for long term maintenance and conditioning might do a better job?
Could be, but I haven't looked at the specs in detail, and the Boondocker is supposed to upgrade the WFCO to appropriate battery maintainer performance.
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Old 08-24-2015, 08:42 AM   #10
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Quote:
Originally Posted by Jubal View Post
I have used this charger to good effect:
12 volt 2-4-8 Amp BatteryMinder
For the 19' Escape I removed the WFCO main board assembly in the bottom of the power distribution center and replaced it with
Boondocker Main Board Assembly for WFCO 8955
It is 4 stage and a direct fit. Remove and replace 5 wires. Much more efficient at charging and maintaining the batteries when using shore power or a generator. I leave the trailer plugged in to a 30 amp receptacle during storage and occasionally check the electrolyte levels.
Jubal,

I know this has been beat around before. Could you elaborate on the benefits of the latest Boondocker? Did you use the 55 amp model? How long does it take to install? Any mods required to mount? We have the twin 6 volts. How does the charging cycle differ? Thanks.
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