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AA to C battery sleeves

P

pescadore

Well-known member
I really thought that when I bought my Whites Eagle Spectrum that the C size battery would be a problem. I checked on feebay and ended up buying some Eneloop AA to C size sleeves. Well, the detector came in today and the sleeves came in too. I had been charging my AA's that I had used with another detector all night and put them in the sleeves and placed them in the battery holder. Inserted the holder into the detector and hit the power button......It worked !!!! I am glad I bought an extra battery pack and 4 extra sleeves so I will have a quick change. I had read another post saying that they had to put foil on the ends of their sleeves to make them work but with the Eneloop, no aluminum foil needed !!!! I don't know yet what kind of detecting time I will get out of the AA's but I will find out Saturday on a group hunt that I have planned.
+
 
I have been looking into options of batteries for the Eagle, let us know what your battery life is like. It would be a lot cheaper, if the rechargable AAs would last for a 3 or 4 hr hunt.

Joe
 
High,
I use the AA to C cell conversion sleeves in my 6000 Di Pro SL to cut down on weight.
The Sanyo Eneloop AA are factory rated at 1900 mA/h and weigh 33 grams with sleeve.
My Ni-MH rechargable C cells are rated at 4500 mA/h and weigh 77 grams.
That equates to a weight saving of 44 grams per unit.
Times 4 (to fill the battery pack), I save 176 grams on the weight of a battery pack.
This is 6.2 ounces or almost 0.4 lb.
I do carry a spare, fully loaded battery pack in my knapsack whenever detecting and in my opinion - it is about the cheapest/best weight saving measure that you can treat yourself to.

HH
skookum
 
Some years ago I cut up an old broom handle and bored crude holes to loosely fit an AA cell. Close enough to use in whatever takes a C. I think the right diameter of the household water pipe foam insulating tubes would work as well or better and be lighter to boot.

Everybody has battery packs from "dischargeable" drill-drivers. Usually when a battery pack fails, only a few cells have gone totally dead. In an 18-volt pack, there's 14 cells, so there can be a number of still-useful cells in an otherwise "dead" pack. I meter the individual cells and if they pass a recharge test, I save the remaining good ones to repurpose for other uses. They are usually the shorter "sub-C" variety, but where there's a will, there's a way! That's where the foil spacer comes into play or I use the long solder tab to help stretch the fit of the sub-C cells. Or you can always link the cells into a pack by soldering onto the old tabs. If they won't work in your detector, there's always a radio or flashlight that's handy to have in your hunting kit.

-Ed
 
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