Battery Length

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Steve Dixon1968
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Battery Length

Post by Steve Dixon1968 » Sun Oct 22, 2017 11:27 am

How long do the batteries last please?
I put 8 new duracell in for my first outing. Detecting for around 6 hours.

Seen some posts on google about them eating power?

Thanks
Steve



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Lowland
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Re: Battery Length

Post by Lowland » Sun Oct 22, 2017 11:51 am

Hiya
I can have two 6 hour sessions with the gmp and still have juice in the batteries
I tend to change them before the heart attack inducing battery low noises start blowing your ears off.
Happened once ..thought I'd found a meteorite.

As long as you've got spare ones out with you
Run the machine till you get the trumpets of doom warning,then you will have a good idea.
I have not noticed a drop off in performance right up till the bleeping starts. ::g
Last edited by Lowland on Sun Oct 22, 2017 12:29 pm, edited 1 time in total.
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Re: Battery Length

Post by amphora » Sun Oct 22, 2017 12:20 pm

Mine both use 9volts.

One detector has great depth and performances, and is very accurate. Has two 9 volt batteries.
And with this one i can detect for about 12-14 hours.

My other one has good performances but lesser depth. One 9 volt batterie.
This one can detect for up to 30-40 hours.

My statement is that more use of power can be needed for better or technical extended performances.
My battery eating detector is almost as good as the Deus in it's performances.
And for instance with the deus one can also not detect that long on it's batteries, because deus needs the power for it's great performances too. And as the XP-GMP is great too in it's performances.....
Needing more power is good. Can't work proper without power. ;)

If you think it's to much (to expecive) then buy GOOD rechargables (highest possible mAh). I detect 2-3 years 2 times a week with my 'battery eating detector' on 2 rechargable 9volts which cost me eur 22 together (i personally prefer GP's).
And be sure that the battery connectors are clean too. Dirty connectors can eat your batteries too. And as we hunt outside in all kinds of weather, in/on dirt .....
Good luck hunting.
Disclaimer: If i give advices i talk from my personal perspective, and it is not to copy 1 on 1. I rely on everyone’s common sense. Everyone has to think himself about implementing it for himself and to consider legal circumstances.

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Re: Battery Length

Post by amphora » Sun Oct 22, 2017 12:28 pm

Reminds me. Wasn't there an original rechargable battery pack available for the XP-GMP?
Good luck hunting.
Disclaimer: If i give advices i talk from my personal perspective, and it is not to copy 1 on 1. I rely on everyone’s common sense. Everyone has to think himself about implementing it for himself and to consider legal circumstances.

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Re: Battery Length

Post by Fusion » Mon Oct 23, 2017 6:14 pm

High-capacity rechargeable NiMH's, eg. 2500+ mAh should run the GMP for about 30 hours. If I recall correctly, it draws about 75-80mA. Obviously, this is on headphones... like most machines, it will consume more when driving an internal loudspeaker.

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Re: Battery Length

Post by Steve Dixon1968 » Mon Oct 23, 2017 6:29 pm

Rechargeable batts on their way thanks :)

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Re: Battery Length

Post by Steve Dixon1968 » Wed Oct 25, 2017 9:07 pm


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Re: Battery Length

Post by redwulf500 » Wed Oct 25, 2017 9:30 pm

Hi it must charge through the coil socket.? . Good idea if it saves messing about with the battery box nuts...

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Re: Battery Length

Post by Fusion » Wed Oct 25, 2017 9:30 pm

Don't forget, that charger is designed to charge the 'standard' XP NiMH packs, which were 1300 mAh ( I think ), so it will take twice as long to do a full charge of your higher capacity cells.

Edit: yes, it uses a spare pin on the coil connector.

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