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Re-inventing the wheel, er, Lithium Battery Pack !

DOC

New member
OK gang here was our challenge. Everyone is looking for a lighter weight battery system. To date, our experience with these systems has been somewhat less than desirable.

These battery systems are expensive, and the way they have been built to date, is so everything is proprietary and you were stuck with no other choices than to buy parts from the original manufacturer. If your charger got ran over by your truck, you just couldn't go buy a new one at K-Mart, you had to order another one from whomever you got your battery system from.

The Litium Ion systems currently on the market for the SD/GP are totally integrated systems. The battery and the regulator are all one piece. So if your batteries take a dump, you have to send the whole system in to have the batteries replaced. If you forget to charge your battery/regulated integrated system over night when you are in the bush, well, you are out of luck; because there is no secondary battery pack - the battery back is soldered into the regulator unit. There is no going detecting, while your extra batteries charge, because there are no extra batteries with an integrated system.

That is why to date, we have stuck with the lead acid batteries, because they are dependable and they are cheap, and we kept the regulator separate. Lead acid batteries are readily available everywhere so you, as a consumer, can go look for the best deal you can get if you don't want to buy the battery from us. The downside is they are heavy.

Our challenge then was to give you that same versatility, and that same modular approach using Lithium Ion batteries so we could give you the light weight system you have all wanted with the COILTEK dependability you have come to expect.

Well how about a a 14 ounce modular Lithium Ion switchable 6.7v / 7.3v regulated system called the "POCKET ROCKET" at a fraction of the price of other systems currently on the market?

<img src="http://www.docsdetecting.com/forum/battwo.jpg">

We started with a very popular battery, the kind you can buy in any K-Mart, Walmart, or even on Ebay. We opted for the 7.2 volt 5400mAh battery. You can get these in 6000 mAh as well but they are considerably more expensive. These 5400 mAh batteries will give you a minimum of 5 hours of detecting time, that is very conservative. This is the old style cam corder battery that so many video cameras like SONY use. These batteries usually charge up to about 8.4 volts when fully charged.

Then we designed a regulator that accomodates your power cord and headphone. A switch that turns the regulator OFF in the middle position switch it to the left and you regulate the voltage to 6.7 constant non-fluctuating current for your GP series machine. Click the switch in the opposite direction for a constant 7.3 volts for your SD series machines.

Click the battery in place, and in less than 2 seconds you are ready to go. If you are going to hunt all day, take along a spare battery, it weighs 10 ounces. Carry it in your pocket, when you are ready to switch batteries, click, old battery off, click fresh battery on. It takes less time to switch batteries than to get a drink of water, because all you are doing is snapping a new battery onto the regulator cradle, you don't have to unplug your power cable or your headphones.

The charger is a combo ac/dc charger that is a smart charger. Charge your battery at home or in your car with equal ease, and they are available everywhere, not just from us. They signal you when your battery is fully charged and switch into trickle mode. If you can find a better price on the chargers please take advantage of the savings!

And here's the best part, the price, RETAIL: $269, special price $229 - Here's our package:

2 5400mAh Lithium ion batteries
1 AC/DC charger
1 Switchable voltage regulator
1 Pocket Rocket Cordura Carry Pouch


Additional batteries are $30 each, additional chargers are just $17.

<img src="http://www.docsdetecting.com/forum/batsystem.jpg">

<img src="http://www.docsdetecting.com/forum/batpack.jpg">

<img src="http://www.docsdetecting.com/forum/pouch.jpg">

I have 40 of these systems in the air right now coming from Australia. I already have the batteries and chargers, I am just waiting for the regulators and pouches to come in and complete the package.

First come first serve. Just call Scooter 1-800-477-3211 ext. 14 and leave your order with her. Or go to my website and go to the SPECIAL ORDER page at this link:

http://www.docsdetecting.com/docsplace/specordr.html#so

The price is $229 plus $6 for Priority Mail shipping.

You're going to love this system, it is so simple, it is so light, it is so sensible, and we have tried to get the price down to earth.

Click on he link below to read the directions and special feature of COILTEK's new Lithium Ion battery Pack.

http://www.docsdetecting.com/pdf/regulatorbw.doc

DOC
 
RD(Indio) made me up a 4.5 Amp Hr. lead acid cell that slips in the back pocket of my jeans, really slick, and lasts for 5 hours. I have two of them and recharge at lunch time!

Potholes Bob
 
I'm just sharing with the group here Doc! RD used generic 4.5 lead acid batteries and made up a little metal box for the power cable and headphone jack. He didn't charge me anything, just gave it to me one day, RD is "that kind" of a friend Doc!


Your new Lithium set up sounds like a real winner Doc, and much lighter and smaller than a L.A. battery set up!

Cheers!
Bob
 
Hey Doc,

Can't tell from the pics, Does that Pocket Rocket Carry Pouch have a belt loop on it? And if it does, which way (how) is it oriented? Thinking of trying it. As you may remember, I run a chest mount just like Digger Bob.

Thanks Doc! Looks like another winner!

Jerry
 
Hi Gang,
My little generic lead acid cells come in at 1 1/2 pounds apiece versus 4 1/2 pounds for the stock 6 volt, 10 AH cell. Thus one could carry two if need be and still be 1 1/2 pounds lighter than the larger cell for the same amp hours. As Bob stated, we get up to 5 hours per charge which isn't too shabby.

Doc, I believe that the difference may be that the Minelab cells have the headphone and power cord hookups built into a cover on the top? If not than the control box is similar to the one you sell only plastic.

And, of course, a slight difference in price.

Bob, How do. Did you make it to Colorado? Regards, RD
 
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