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Offline thudpuckerTopic starter
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« on: May 27, 2012, 09:20:47 am »
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I got this old guy, and must replace the Battery box. It's a  White Coinmaster 4 DB.
Are the 8-AA's in series? Parallel? What voltage do I need?

Do y'all just bite the bullet and keep buying AA's?
Make a separate Pwr supply, hang it on your belt, and cable up to the Detector?
Rechargeables?
Solar Battery Charger for the Rechargeables?



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Offline Homefire
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« Reply #1 on: May 27, 2012, 10:15:46 am »
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Yes they are in Series.  12VDC

As it uses the 9V type battery clip, you could always extend a wire and us a battery pack on the hip but it's a pain in the Butt having another wire dangling around.

You have other options.!!!!!

GD just shown that rechargeable batteries are Viable.

There seems to be NiMh batteries that hold a good charge and don't self discharge.

I my self like the Old Ni Cad batteries.

I can get 3 or 5 years out of them treating them right.

That's about the same as you could use a battery in you car.

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« Reply #2 on: May 27, 2012, 12:59:31 pm »
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Me I like the 12v 1.3AH sealed lead acid batteries. Placed correctly on the detector shaft you wont even know that it's there and you get to detect a hell of a long time before you have to recharge them. 

All the best Xavier

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« Reply #3 on: May 27, 2012, 01:53:00 pm »
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HF, your right about the NiCad's lasting a long time with good treatment.
I have experience with pager batteries.

I think I'd like to get a set of NiCad's with a larger mah rating.
ALso I'd like to hook up something cheap like this little film strip Solar charger for each battery.

I got this strip off Ebay, and now I can't find the seller to get more.
Does any of our advertizers sell these little Solar Chargers?

Posted on: May 27, 2012, 01:03:10 PM
X I found a 12V 3.5A sealed lead acid battery for $20 on Ebay.
Is that what you have?
Do you have a photo or a name?
Dick

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« Reply #4 on: May 27, 2012, 02:10:57 pm »
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What is the output on that Solar Cell?

Most only put out .4 volts per cell.

That on looks to have five cells?

Current depends on the size.



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« Reply #5 on: May 27, 2012, 02:13:28 pm »
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Hi Dick

The code on the battery is RT1213 12v 1.3AH  / 20HR here are some photos of it. Here they cost about $9.30


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« Reply #6 on: May 27, 2012, 02:20:02 pm »
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Cool!   Not that big at all.   On the End of the Handle it would balance well! Cool

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Offline thudpuckerTopic starter
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« Reply #7 on: May 27, 2012, 02:33:08 pm »
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Found it! Cheesy
Ultratech Power Products Genuine UT1213 12V 1.3Ah SLA Battery , $15.
I'd bet that's the cheapest solution to my problem! Wink

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« Reply #8 on: May 27, 2012, 02:35:59 pm »
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Quote:Posted by homefire
Cool!   Not that big at all.   On the End of the Handle it would balance well! Cool


That's just it mate it works like a charm and with a VLF machine will last hours. I did one on Peters VLF but I had to regulate it down to 6v for him. I used an LM317T and it works like a charm.

Quote:Posted by thudpucker
I'd bet that's the cheapest solution to my problem


Great I'm happy that you found one Happy Hunting to you
Xavier

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