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  1. T

    DIY Li Ion Batt Idea

    Oh one last thing: I HIGHLY recommend if you do this mod you get the "protected" batteries - they have circuitry inside that prevents them from shorting, overcharging, or undercharging. They cost more,and are slightly longer in size, but the extra safety factor is worth it! You can do this...
  2. T

    DIY Li Ion Batt Idea

    Total DIY time was about 1 hour, give/take. Most of that was fiddling around trying to figure it out. In practice it took about 10 minutes to remove the battery guides from the White's holder, 5 minutes to cut the door, 5 minutes to solder it up. I added a ring of tape around the tops of each...
  3. T

    DIY Li Ion Batt Idea

    I installed the batteries. It was a pretty tight fit, but just made it. I'm sure it'll loosen up over time. Then I fired up the detector. :jump:
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    DIY Li Ion Batt Idea

    You'll also need a USB wall charger, available here: Xtar USB Battery charger
  5. T

    DIY Li Ion Batt Idea

    I attached the White's battery cover door on the top. If I'd been especially clever I would have also added a strip of the original door across the bottom, for looks/dust. I charged up the batteries. Battery Charger available here: Xtar Smart Battery Charger
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    DIY Li Ion Batt Idea

    I soldered in the two leads from the battery holder onto the White's V3i battery holder (cover is completely removed here to expose the top area). Good housekeeping, I twisted the wires up into a small little unused area at the top of the White's battery holder:
  7. T

    DIY Li Ion Batt Idea

    I cut the White's battery door to just fit to the top of the holder. The Uxcell holder just fit exactly into the holder, the bottom braced against the White's battery guides I had left intact.
  8. T

    DIY Li Ion Batt Idea

    I bought three Orbitronic 18650 Protected 3500mAh batteries for the project from here: Orbitronic 3500 mAh protected batteries I also bought a Uxcell 18650 battery holder from Amazon, link here: 18650 Battery Holder
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    DIY Li Ion Batt Idea

    Then I removed the middle plastic battery guides using pliers and then a dremel: I left the bottom and top battery guides to act as guides for the new battery holder.
  10. T

    DIY Li Ion Batt Idea

    OK I finished my DIY job; it works! Fairly simple to implement too, and cheaper than the more expensive RnB battery solution. I tried embedding my images here sharing with Google Drive, but all the links were broken. So alas I'll break up this post into multiple posts so you can see what I'm...
  11. T

    DIY Li Ion Batt Idea

    Thanks AJ that was very helpful! I thought more about it and came up with something incredibly simple. I'll post back once implemented. Thanks! Mike
  12. T

    DIY Li Ion Batt Idea

    Hi all, I'm new to detecting but not to DIY. I realize this subject has been hashed to death and RnB sells a killer long-lasting battery, but being stubborn and a DIY guy I was thinking of putting together my own Li Ion pack for the V3i, which I recently purchased used. I can't for the life of...
  13. T

    Greetings from Sunny Southern CA!

    First time user. Just wanted to say hi to y'all and thanks for such a cool and eclectic place on the web! I just got a killer deal on a used Whites V3i, so good I had to pull the trigger. Been lurking here awhile, and my interests are prospecting, coin shooting, and a little relic hunting. New...
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