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Smart phone case lipo mod for Etrac
Posted by: cedarswamp
Date: January 23, 2017 02:35PM
1500 mah lipo mod for under $50.00 using a Outdoor Products smart phone case 1760p-clr.Gutted an old minelab battery pack that was getting week,and hard wired to the case with voltage check P.S. will provide details wiring diagram if interested,,,,,CEDAR




Re: Smart phone case lipo mod for Etrac
Posted by: cedarswamp
Date: January 24, 2017 08:22PM
Went out on a hunt tonight 2 hours 20 min used .3 of a volt from 12.5 to 12.3 results went well,,,,,,CEDAR P.S. The ring pull was at least 10 inches down the Merc.was about 8 inches between the foil and pulltab never gave a high signal 1219 in the same hole,




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Re: Smart phone case lipo mod for Etrac
Posted by: amberjack
Date: January 25, 2017 08:22AM
feels good rigging up your own battery pack that works and has the detector running at full steam for cheap :biggrin: well done and thanks for sharing.

can you down volt the lipo's say the 7,2 volt pack to 6 volts at a full tank of juice?

just have a few AA battery detectors I want to run on the full volts as in 6 & 9 volts is it doable with lipo's ??

thanks for your help.

AJ



Mojave
Signum MFT
Berkut-5
Etrac
MX5
Gold Racer
Compadre 7" Concentric
Compadre 7" Widescan
Outlaw
Compadre coil change out mod+sens
F19
CTX3030
Cibola

Upside Down https://www.youtube.com/watch?v=lDeB5sDealI

World Turned Upside Down https://www.youtube.com/watch?v=cAsuNtEuZxI

Ghost Story https://www.youtube.com/watch?v=0-XXX3dnlVc

"Long Live The Chief" https://www.youtube.com/watch?v=H_AQFnqMY3E

More coils than any sane person would need.

Machines are not in order of preference !! I can't read big blocks of writing , so the enter key is a good tool.

I share my experience of my detecting both the good and not so good both on and off the field, not here to keep everyone happy, just share my experience! if it helps someone that's great, if not that's great too--- so take what you need and leave the rest !

Re: Smart phone case lipo mod for Etrac
Posted by: cedarswamp
Date: January 25, 2017 01:03PM
I have a voltage regulator you can use get back with details latter,,,,.,CEDAR

Re: Smart phone case lipo mod for Etrac
Posted by: cedarswamp
Date: January 25, 2017 06:29PM
Heres a pic of the regulator:Buck converter step down moule Lm2596 dc-dc,I would use a 11,1 lipo adjust the pot to desired voltage output, and use a momentary switch on the input side to keep track of the lipo voltage you do not want to run the voltage down to low on lipo batteries,,,,,CEDAR




Re: Smart phone case lipo mod for Etrac
Posted by: cedarswamp
Date: January 25, 2017 06:30PM
regulator pic




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Re: Smart phone case lipo mod for Etrac
Posted by: amberjack
Date: January 25, 2017 08:16PM
thanks Cedar,

stepping down from 11.1 to 6 volts to far? why not 7.2 to 6 volts?

thanks again!!

AJ



Mojave
Signum MFT
Berkut-5
Etrac
MX5
Gold Racer
Compadre 7" Concentric
Compadre 7" Widescan
Outlaw
Compadre coil change out mod+sens
F19
CTX3030
Cibola

Upside Down https://www.youtube.com/watch?v=lDeB5sDealI

World Turned Upside Down https://www.youtube.com/watch?v=cAsuNtEuZxI

Ghost Story https://www.youtube.com/watch?v=0-XXX3dnlVc

"Long Live The Chief" https://www.youtube.com/watch?v=H_AQFnqMY3E

More coils than any sane person would need.

Machines are not in order of preference !! I can't read big blocks of writing , so the enter key is a good tool.

I share my experience of my detecting both the good and not so good both on and off the field, not here to keep everyone happy, just share my experience! if it helps someone that's great, if not that's great too--- so take what you need and leave the rest !

avatar
Re: Smart phone case lipo mod for Etrac
Posted by: amberjack
Date: January 25, 2017 08:41PM
I will probably use li ions anyway on the 6 volt detector and the lipo 11.1 on the 9 volt machine but in the mean time I have plenty of AA's till I get a good set up going on where I am going to put it (battery pack), seems like the hardest part after your help getting the step down....thanks for that big help.

AJ



Mojave
Signum MFT
Berkut-5
Etrac
MX5
Gold Racer
Compadre 7" Concentric
Compadre 7" Widescan
Outlaw
Compadre coil change out mod+sens
F19
CTX3030
Cibola

Upside Down https://www.youtube.com/watch?v=lDeB5sDealI

World Turned Upside Down https://www.youtube.com/watch?v=cAsuNtEuZxI

Ghost Story https://www.youtube.com/watch?v=0-XXX3dnlVc

"Long Live The Chief" https://www.youtube.com/watch?v=H_AQFnqMY3E

More coils than any sane person would need.

Machines are not in order of preference !! I can't read big blocks of writing , so the enter key is a good tool.

I share my experience of my detecting both the good and not so good both on and off the field, not here to keep everyone happy, just share my experience! if it helps someone that's great, if not that's great too--- so take what you need and leave the rest !

Re: Smart phone case lipo mod for Etrac
Posted by: cedarswamp
Date: January 25, 2017 08:56PM
Listed on ebay input must be higher than the out put voltage dont try hooking up with out the regulator and make sure you measure the voltage after fully charged on the output side,Second dont try to charge a lipo with a standard charger it takes one rated to balance the cells herrs a pic ,CEDAR




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Re: Smart phone case lipo mod for Etrac
Posted by: amberjack
Date: January 26, 2017 01:17AM
thanks yes will do all that , I have one of these https://hobbyking.com/en_us/turnigy-accucel-6-80w-10a-balancer-charger-lihv-capable.html detecting hey always some new toy to play with :biggrin:

thanks for the regulator and the inspiration to do something about getting rid of the AA batts.

AJ



Mojave
Signum MFT
Berkut-5
Etrac
MX5
Gold Racer
Compadre 7" Concentric
Compadre 7" Widescan
Outlaw
Compadre coil change out mod+sens
F19
CTX3030
Cibola

Upside Down https://www.youtube.com/watch?v=lDeB5sDealI

World Turned Upside Down https://www.youtube.com/watch?v=cAsuNtEuZxI

Ghost Story https://www.youtube.com/watch?v=0-XXX3dnlVc

"Long Live The Chief" https://www.youtube.com/watch?v=H_AQFnqMY3E

More coils than any sane person would need.

Machines are not in order of preference !! I can't read big blocks of writing , so the enter key is a good tool.

I share my experience of my detecting both the good and not so good both on and off the field, not here to keep everyone happy, just share my experience! if it helps someone that's great, if not that's great too--- so take what you need and leave the rest !

Re: Smart phone case lipo mod for Etrac
Posted by: david.di
Date: January 26, 2017 08:25PM
Cedar,

Having done similar mods over the years to achieve an alternative external power supply for the Explorer/Etrac gen detectors. Apart from using Li-ion batteries, it's very much like what you’ve don. I was going to try using latter battery technology Li-ion but instead, I recently discovered these:

http://www.ebay.com/itm/Li-ion-battery-3-7v-18650-holder-for-Minelab-explorer-se-e-trac-and-other/282339707919?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D40804%26meid%3D97186c213c5940abb1746777dd9d1b92%26pid%3D100011%26rk%3D2%26rkt%3D4%26sd%3D282272054229

I have one for my DFX and Explorers/Etrac on order:

Thought about making my own, but cheap enough for me to buy instead.

David Di



Perth W.A. Mob 0412643950



Edited 2 time(s). Last edit at 01/26/2017 08:33PM by david.di.

Re: Smart phone case lipo mod for Etrac
Posted by: cedarswamp
Date: January 26, 2017 10:26PM
Actualy thats a better idea I have a charger for the 3,7 to have get one myself thanks dave di,,,,,,CEDAR

Re: Smart phone case lipo mod for Etrac
Posted by: cedarswamp
Date: January 26, 2017 10:54PM
Just read about the differences between lipo vs li-ion the latter suffers from degeneration when not in use think i will stick with lipo good idea still P.S. just ordered a new zippy 1500mah 11.1v compact it is thicker and will not fit in the cell phone case on this mod even though the dimentions were listed the same,,,,,CEDAR

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Re: Smart phone case lipo mod for Etrac
Posted by: amberjack
Date: January 27, 2017 04:30AM
I have one of those li ion holders for etrac it works not as good as I would have liked as in getting it out but maybe mine isn't best like to hear what others experience with this holder?? I have had li ions for years that are still running !

I want to make packs for my gold racer and Russian detectors so the lipo's and converter look like a fun project will put up some pic's when it happens , thanks again for the inspiration.

AJ



Mojave
Signum MFT
Berkut-5
Etrac
MX5
Gold Racer
Compadre 7" Concentric
Compadre 7" Widescan
Outlaw
Compadre coil change out mod+sens
F19
CTX3030
Cibola

Upside Down https://www.youtube.com/watch?v=lDeB5sDealI

World Turned Upside Down https://www.youtube.com/watch?v=cAsuNtEuZxI

Ghost Story https://www.youtube.com/watch?v=0-XXX3dnlVc

"Long Live The Chief" https://www.youtube.com/watch?v=H_AQFnqMY3E

More coils than any sane person would need.

Machines are not in order of preference !! I can't read big blocks of writing , so the enter key is a good tool.

I share my experience of my detecting both the good and not so good both on and off the field, not here to keep everyone happy, just share my experience! if it helps someone that's great, if not that's great too--- so take what you need and leave the rest !

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