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Message started by Kris01 on 08/31/15 at 17:53:25

Title: Reverse polarity battery?
Post by Kris01 on 08/31/15 at 17:53:25

I had to replace 2 "D" batteries this afternoon. One was fine at 1.3V. The other showed -1.05V. I had the terminals on the multimeter set correctly. The battery somehow reversed it's polarity. Any idea how or why? Ever seen this happen before?

Title: Re: Reverse polarity battery?
Post by Serowbot on 08/31/15 at 18:00:06

Noop,... new to me... :-/...

Title: Re: Reverse polarity battery?
Post by digitaltrucker on 08/31/15 at 18:06:07

I've seen it happen with NiCad rechargeables if they're drained too far before recharging.

Title: Re: Reverse polarity battery?
Post by Kris01 on 08/31/15 at 18:25:39

These were just plain 'ol alkaline D cell batteries.

Title: Re: Reverse polarity battery?
Post by verslagen1 on 08/31/15 at 18:50:56

never heard an alky doin' it.
rechargables do it even m/c batteries.

Title: Re: Reverse polarity battery?
Post by Kris01 on 08/31/15 at 18:55:07

Leave it to me to have a "one in a billion" problem! ;D

Title: Re: Reverse polarity battery?
Post by justin_o_guy2 on 08/31/15 at 20:16:03

That dang polarity changing seems to be something that is starting to invade all parts of life. Hang onto that thing.

Title: Re: Reverse polarity battery?
Post by Paladin. on 08/31/15 at 20:20:07

0E372C367574450 wrote:

There's no problem that a full tank of gas and a sunny day can't fix!

Sunny day is optional.

Title: Re: Reverse polarity battery?
Post by justin_o_guy2 on 08/31/15 at 20:47:53

Yep, I've been known to gear up, put on the rain gear, and ride off,, grinning.

Title: Re: Reverse polarity battery?
Post by youzguyz on 09/01/15 at 04:51:54

635A415B1819280 wrote:

Battery got mixed up with another shipment destined for the alternate anti-matter universe. Discard with care.. :o

Title: Re: Reverse polarity battery?
Post by Dave on 09/01/15 at 05:02:30

I poked around for a few minutes.....and this explanation sounds plausible.

One battery discharged and ran out of power - while the other battery still had power and proceeded to use the available power to charge the dead battery in the wrong direction. For this to occur however.....the equipment needs to be left in the "ON" position while the process occurs - and in a flashlight it would be from leaving the switch "ON" long after the bulb stopped making any light.

Title: Re: Reverse polarity battery?
Post by Serowbot on 09/01/15 at 08:00:20

Sell it on Ebay... it's better than Jesus on a potato chip... ;D...

Title: Re: Reverse polarity battery?
Post by Kris01 on 09/01/15 at 18:06:51

Somebody, somewhere is dumb enough to buy this thing thinking it's a rarity or something special. Ebay here I come! ;D

That dang polarity changing seems to be something that is starting to invade all parts of life.
Don't get me started on that!

Title: Re: Reverse polarity battery?
Post by justin_o_guy2 on 09/01/15 at 22:01:49

Maybe Juce Brenner will want it.

Title: Re: Reverse polarity battery?
Post by Kris01 on 09/02/15 at 19:06:18

To reverse his/her polarity back?