My battery box mod TDI Beach Hunter

sws33

Full Member
Mar 15, 2013
195
213
huntington beach ca
Detector(s) used
white's 5900 di pro, Fisher CZ20, Fisher 1280, Garrett Infinium LS, Teknetics T2 SE and Teknetics Omega 8000, Makro Multi Kruzer, Garrett Sea Hunter Mark II and Fisher CZ21, White's TDI Beach Hunter
Primary Interest:
All Treasure Hunting
Saw a couple of YouTube videos and read a few forum post about using 18650 batteries in the battery compartment to boost the voltage, so I thought I would give it a try using the components of the box itself. The only thing I added was a engineered piece of plastic that used to be the cover for a jigsaw blade box. I'll send a picture of the voltage output once the batteries I bought are fully charged and the epoxy dries where I wore it a bit thin. I did test it with mostly charged batteries and was getting 16.04 volts. I was also able to channel it out enough that it is almost perfectly flat and the same dimensions prior to fabricating. Drops right in and falls right out just like a regular battery pack should.
 

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Octopulse

Full Member
Mar 13, 2010
148
81
Perth
Detector(s) used
Current detectors;
Minelab Excalibur II
Garrett XL500 “Super Pulse”
White’s MX7
White’s XL PRO
Primary Interest:
All Treasure Hunting
Excellent work on the battery case......the extra couple of inches depth on coins and rings is worth it by the extra voltage.
 
OP
sws33

sws33

Full Member
Mar 15, 2013
195
213
huntington beach ca
Detector(s) used
white's 5900 di pro, Fisher CZ20, Fisher 1280, Garrett Infinium LS, Teknetics T2 SE and Teknetics Omega 8000, Makro Multi Kruzer, Garrett Sea Hunter Mark II and Fisher CZ21, White's TDI Beach Hunter
Primary Interest:
All Treasure Hunting
  • Thread Starter
  • Thread starter
  • #3
It's already paying off. Found a silver ring that had to be about a foot or more deep and a couple small pieces of a broken chain 8 to 12 in deep 3 feet apart. Found another nice three stone silver ring down around 18in, faint signal but repeatable and I'm sure I could have gone even deeper.
 

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OP
sws33

sws33

Full Member
Mar 15, 2013
195
213
huntington beach ca
Detector(s) used
white's 5900 di pro, Fisher CZ20, Fisher 1280, Garrett Infinium LS, Teknetics T2 SE and Teknetics Omega 8000, Makro Multi Kruzer, Garrett Sea Hunter Mark II and Fisher CZ21, White's TDI Beach Hunter
Primary Interest:
All Treasure Hunting
  • Thread Starter
  • Thread starter
  • #4
so the new battery mod is putting out 16.94 volts fully charged and lasts almost exactly 6 hours worth of hunting. I had it out 3 days ago for 2 and 1/2 hours and then two days ago for an additional 3 and 1/2 hour hunt when the detector shut itself off. It shut itself down and stop drawing power when the battery mod reached 9.4 volts.
 

Octopulse

Full Member
Mar 13, 2010
148
81
Perth
Detector(s) used
Current detectors;
Minelab Excalibur II
Garrett XL500 “Super Pulse”
White’s MX7
White’s XL PRO
Primary Interest:
All Treasure Hunting
Yep, my run time is also 6 hours......which is a good workout when digging deep.
Tony
 

DirtFishin'

Tenderfoot
Nov 30, 2015
5
1
Palm Bay, FL
Detector(s) used
Garrett GTA 500, Minelab Sovereign XS, Minelab Soveriegn GT, Minelab Excalibur Sword, Tesoro Sand Shark, Minelab Equinox 800 & 600, XP Deus, CTX 3030, White's Beach Hunter TDI
Primary Interest:
Beach & Shallow Water Hunting
What is the part number of the standard battery case. I have been searching and can not find it anywhere.
 

DirtFishin'

Tenderfoot
Nov 30, 2015
5
1
Palm Bay, FL
Detector(s) used
Garrett GTA 500, Minelab Sovereign XS, Minelab Soveriegn GT, Minelab Excalibur Sword, Tesoro Sand Shark, Minelab Equinox 800 & 600, XP Deus, CTX 3030, White's Beach Hunter TDI
Primary Interest:
Beach & Shallow Water Hunting
Are there any Canadian friends out there that can assist me in purchasing a battery case from Canadian Treasure seekers? They have a rule that they can not ship to the USA.
 

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