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Offline metal_inspector
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« Reply #10 on: April 19, 2009, 10:49:14 am »
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Personally, I would have to choose the rechargeable.  Less expensive and lasts a lot longer.  They work for me anyways. Smiley

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Offline Cornelius
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« Reply #11 on: April 19, 2009, 10:59:40 am »
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2500MaH means that you can use 2500 Ma during one hour . Now it is up to what your detector is using to know how long the battery lasts . Your field in a detector coil will go down with the available Mamps  . If the coil needs 500 Mamps and your battery ran down to below that power , your coil will still work but the field is weaker . So , less depth !   The same goes for a PI detector . The PI sends out a pulse  which is choed to the coil . Here too if your battery has run down so far that the pulse is weaker the depth you are penetrating will be less . That is why it is important to always work with fully charged batteries . And use a battery that is at least 2500 M amps so it will last a while and does not die on you while you are searching . Of course evry detector needs its own power supply rated at its own strenghs .. Cornelius

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Offline kev
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« Reply #12 on: April 19, 2009, 12:54:51 pm »
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just to say hi from kev .  Detecting eny good stoof .i have not bin out yet but will soon  Wink by for now

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Offline Paul A
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« Reply #13 on: April 19, 2009, 02:45:36 pm »
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Just a little more,
If your batteries say 2500 mah or whatever, it doesn't mean if you have 6 batteries in there you have 15000 mah.
When batteries are in series, the voltage adds up but the current does not - you still have 2500 mah.


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Offline Cornelius
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« Reply #14 on: April 19, 2009, 03:18:31 pm »
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Yes Paul , ofcourse in series the voltage would add u- . That is why if you want more life out of your batteries you should connect them parallel .   Wink    Cornelius

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Offline d.p.swing
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« Reply #15 on: April 19, 2009, 05:29:14 pm »
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  alright i use kodak 25oo  mah rechargeables for digital cameras thy work great in my garrett gti 2500.its the mah value that counts cornelius is right    d.p. swing

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« Reply #16 on: April 19, 2009, 05:34:38 pm »
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Another thing to watch out for is that most batteries from China do not meet their ma rating, a few do though in the higher price range. Buy a good name brand battery or one you know tests as it is rated.

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Offline yshishani
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« Reply #17 on: April 19, 2009, 11:12:52 pm »
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one can use rechargeable batteries but can keep an alkaline set of batteries just in case he needs them when all his rechargeable batteries need recharging, knowing that most chargers take hours to recharge.

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