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Old 06-24-2017, 01:55 PM   #1
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Charging with stand-alone charger

I took the bait to ask: those who use chargers, do you remove the battery or charge them in parallel in the AS battery box?
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Old 06-24-2017, 02:21 PM   #2
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Hi

Be a bit careful of what you use as a stand alone charger. Some of what is out there put crazy high voltages (like > 18V) on the batteries. Their justification - "it's designed to only be used with dead batteries". Stick with stuff that is designed for trickle charging.

Running batteries in parallel isn't the best thing in the world to do. We do it all the time, but it's still not best practice. If you are going to charge them in storage, keep them in parallel. That way they are a bit more likely to stay happy with each other.

Bob
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Old 06-24-2017, 03:02 PM   #3
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I leave mine in the airstream. I attached a short pigtail with a connector on it that is outside the battery box. I just plug in my Battery Minder Model 12248 and forget about it.
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Old 06-24-2017, 03:38 PM   #4
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Quote:
Originally Posted by uncle_bob View Post
Hi

Be a bit careful of what you use as a stand alone charger. Some of what is out there put crazy high voltages (like > 18V) on the batteries. Their justification - "it's designed to only be used with dead batteries". Stick with stuff that is designed for trickle charging.

Running batteries in parallel isn't the best thing in the world to do. We do it all the time, but it's still not best practice. If you are going to charge them in storage, keep them in parallel. That way they are a bit more likely to stay happy with each other.

Bob


I'm using the Genius monitor/trickle charger
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Old 06-25-2017, 09:20 AM   #5
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Originally Posted by Wayne&Sam View Post
I leave mine in the airstream. I attached a short pigtail with a connector on it that is outside the battery box. I just plug in my Battery Minder Model 12248 and forget about it.
Hi

I believe you will find that the "pre-wired Zamp solar connector" on the newer models goes straight to the battery. (I *have* been wrong before though ..) It's just a cheap / simple connector. Wire up your Battery Tender or whatever to a mating plug and do it that way.

Bob
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Old 06-25-2017, 09:25 AM   #6
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Bob you are correct - the zamp charger port attached to the battery box has +/- leads that are attached directly to the battery +/- battery terminals.
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Old 06-25-2017, 05:00 PM   #7
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The basic charger that our 2017 Airstream came with will not charge the batteries to 100% capacity as its maximum output is only 13.7 volts and I believe the Interstate batteries bulk charge at 14.7 volts.

Whenever I am going to boondock I make sure that my batteries get a proper charge by using my Pulsetech Xtreme 4-Station QuadLink Battery Charger Kit:

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

This is the same charger I use to maintain my batteries during the winter.
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Old 06-26-2017, 06:07 AM   #8
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The basic charger that our 2017 Airstream came with will not charge the batteries to 100% capacity as its maximum output is only 13.7 volts and I believe the Interstate batteries bulk charge at 14.7 volts.

Whenever I am going to boondock I make sure that my batteries get a proper charge by using my Pulsetech Xtreme 4-Station QuadLink Battery Charger Kit:

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

This is the same charger I use to maintain my batteries during the winter.
Hi

So on one side we have the crew that loudly claims the stock charger boils / kills / destroys batteries by putting to much voltage on them. There is another side that bashes them for not putting enough voltage on the batteries.

These poor chargers just can't win no matter what they do

=========

Indeed (depending *very* much on temperature) you would get another 10 or 20% capacity with a bit higher charge voltage. The risk is that it's over the top at other temperatures and does indeed mess things up.

If you are going to tweak the voltages closely, you *need* to know the temperature.

Bob
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Old 06-26-2017, 06:47 AM   #9
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Quote:
Originally Posted by uncle_bob View Post
Hi



So on one side we have the crew that loudly claims the stock charger boils / kills / destroys batteries by putting to much voltage on them. There is another side that bashes them for not putting enough voltage on the batteries.



These poor chargers just can't win no matter what they do



=========



Indeed (depending *very* much on temperature) you would get another 10 or 20% capacity with a bit higher charge voltage. The risk is that it's over the top at other temperatures and does indeed mess things up.



If you are going to tweak the voltages closely, you *need* to know the temperature.



Bob


Baaaaawwwhhhaaaaaaa. The battle of the chargers ... coming around turn 1 it's battery tender followed closely by AS charger ...

My fun for the day. Everyone has their options and opinions. No blame being cast here.
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Old 06-27-2017, 06:20 AM   #10
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Baaaaawwwhhhaaaaaaa. The battle of the chargers ... coming around turn 1 it's battery tender followed closely by AS charger ...

My fun for the day. Everyone has their options and opinions. No blame being cast here.
Hi

That is a bit of the problem. We get to having so much fun bashing this or that (yes it's quite obviously fun) that it can be pretty hard to figure things out if you don't already know the basics.

Bob
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Old 06-28-2017, 08:56 AM   #11
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Hi

That is a bit of the problem. We get to having so much fun bashing this or that (yes it's quite obviously fun) that it can be pretty hard to figure things out if you don't already know the basics.

Bob
For those wanting to have some real argumentative fun, there is always The Argue Thread!

http://www.airforums.com/forums/f161...ead-60297.html


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