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#301148 - 07/26/22 06:30 PM Battery corrosion
Mark_R Offline
Old Hand

Registered: 05/29/10
Posts: 863
Loc: Southern California
I just lost another flashlight to battery leakage and corrosion. I've noticed it's more common in metal battery compartments than in plastic, but what about battery chemistry? Is there one type that's less susceptible (alkaline, lithium primaries, silver oxide, etc) than the others to in device leakage and corrosion?
Hope for the best and prepare for the worst.

The object in life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane

#301149 - 07/26/22 07:11 PM Re: Battery corrosion [Re: Mark_R]
hikermor Offline
Geezer in Chief

Registered: 08/26/06
Posts: 7705
Loc: southern Cal
Don't use alkaline batteries. They will corrode, as you have found out. I use lithium primaries and rechargeables these days, No more leaking batteries and ruined gear.
Geezer in Chief

#301150 - 07/26/22 07:13 PM Re: Battery corrosion [Re: hikermor]
hikermor Offline
Geezer in Chief

Registered: 08/26/06
Posts: 7705
Loc: southern Cal
Way cheaper, as well......
Geezer in Chief

#301151 - 07/26/22 07:20 PM Re: Battery corrosion [Re: Mark_R]
adam2 Offline

Registered: 05/23/08
Posts: 473
Loc: Somerset UK
Or if you must use alkaline batteries, store these outside of the flashlight or other equipment.
Possibly keep ONE flashlight about your person or ready for instant use and fitted with batteries.
Keep reserve flashlights EMPTY but with plenty of batteries nearby.

#301153 - 07/26/22 10:52 PM Re: Battery corrosion [Re: Mark_R]
dougwalkabout Offline
Crazy Canuck
Carpal Tunnel

Registered: 02/03/07
Posts: 3201
Loc: Alberta, Canada
Alkalines are just evil destroyers of good gear. I no longer buy them.

I run low-self-discharge NiMHs in everything now. I can't recall having one leak.

I do use super heavy duty batteries sometimes, especially in older gear that prefers 1.5V rather than the 1.2V of NiMHs. Before LED lights, they were sort of a joke, but now they have a respectable run time. I find that it's rare to have one leak.

#301154 - 07/27/22 03:25 AM Re: Battery corrosion [Re: Mark_R]
Phaedrus Offline
Carpal Tunnel

Registered: 04/28/10
Posts: 3114
Loc: Big Sky Country
I use lithiums in lights as a rule and in things that will be stored, but I'm slowly warming up to rechargeables.
“I'd rather have questions that cannot be answered than answers that can't be questioned.” —Richard Feynman


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