Patrick(MI)
Active member
Well my rechargeable batteries for my Minelab Explorer were loosing their charge faster and faster so I decided it was time to look for some lithium-ion batteries. Decided on the UltraFire 18650 3.7v 5800 mAh. So I've gone from 8 batteries to 3. Looking around for some type of case I found and old watch case. It wasn't too big and wouldn't touch the ground under my explorer. I did use one of the alkaline battery holders for the wire to reach the contacts inside. I didn't take the whole thing back apart for the pic but you can see the wire hot glued to the inside of the case. It goes all the way forward and is soldered to the contact plates. Decided on a momentary push button switch so I could check the battery power without adding a drain on the unit. I did have to cobble the battery contacts from an old boom box that got stomped on by a horse. I had the switch and only had to order the two wire meter from ebay.
