Last time I hunted, my Tesoro Sand Shark all of a sudden lost major depth. I could barely hear my wedding band in dry sand at 4 inches. The Shark has a battery strength indicator which gives 10 beeps on new batteries; it was giving 7 beeps when the depth went away and I've run it at 2 beeps with no problems, so I discounted the 8 AA batteries as being the problem. I was about to send it to Tesoro for warranty work and I mentioned it to my buddies at our daily MD summit meeting/prayer breakfast. They convinced me to try fresh batteries before giving up on it. VIOLA! Instant fix!.. It's hitting deep again like it always did. I don't know why it gave me the strong battery signal with apparently bad batteries, but I'm glad I took their advice. Thanks, guys!
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Battery Lesson
- Thread starter VBDave
- Start date
I carry a inexpensive battery voltage tester with me at all times. My fisher f5 takes (2) 9volt bat tries. If the voltage drops below 8 volts
on either one I change both of them. Get a battery voltage tester you'll be glad you did when you are out hunting, eliminates the guess work
on either one I change both of them. Get a battery voltage tester you'll be glad you did when you are out hunting, eliminates the guess work
NEBeachcomber
Member
I'll bet one battery out of the entire set failed. .. this would cause your problem as I recently found out.
I found out the hard way two nights ago... I was out on an outside call taking photographs at 01:45 (I do crime scene photography) and I noticed that my off-camera flash was getting slow at recharging. I went back to my car and pulled out a brand new set of name brand "C" cell batteries from my camera bag. After I put the batteries into my power pack I turned on the flash and started to walk back into my scene. I was shocked when I went to take a photograph and found that the flash was not charged. Fortunately I was almost done with the long range photographs and I ended up using a lower powered camera mounted flash to finish taking my close range photographs.
When I got back to my home I checked the batteries on my metered battery tester and found that a single battery did not have a charge at all. The remaining batteries all indicated a "high good" on my battery tester.
The lesson I learned... is to check all new batteries before installing them -or- carry two new spare sets of replacement batteries!
Happy Hunting!
I found out the hard way two nights ago... I was out on an outside call taking photographs at 01:45 (I do crime scene photography) and I noticed that my off-camera flash was getting slow at recharging. I went back to my car and pulled out a brand new set of name brand "C" cell batteries from my camera bag. After I put the batteries into my power pack I turned on the flash and started to walk back into my scene. I was shocked when I went to take a photograph and found that the flash was not charged. Fortunately I was almost done with the long range photographs and I ended up using a lower powered camera mounted flash to finish taking my close range photographs.
When I got back to my home I checked the batteries on my metered battery tester and found that a single battery did not have a charge at all. The remaining batteries all indicated a "high good" on my battery tester.
The lesson I learned... is to check all new batteries before installing them -or- carry two new spare sets of replacement batteries!
Happy Hunting!
GaBeachsweeper
New member
n/t