my bad luck with Duracell Batteries

I like the Intellcharger I4. It is a smart charger that does NiCd, NiMH, and Lithium Ion batteries. For AAA and AA, I use Eneloops. For Regulated ICR 123 Lithium Ion batteries, I use AW IC batteries. The larger 18650 batteries are not as fussy as the smaller 123 batteries.
 
Coat the ends of the batteries and the insides of the flash-lights with silicone grease, or Vaseline or dielectric grease

If they do leak, it reduces the damage they foam up less and you can still get the batteries out.




Set a date on the calendar, replace them all once a year

I put a little date label and tape over it with the date it was changed.
 
I have always been pleased with regular Duracell batteries and they are my preferred choice. But you can't leave them in something for years and not expect them to leak eventually. As mentioned above, replace yearly and you're probably okay. My problem is that I have many flashlights that I use for work related tasks and I just grab one. There is no rotation plan and the potential always exists that I will have some leakage.

I find batteries that I picked up for Y2K that are just beginning to leak now after 14 years of sitting in the package. I chuckle.... I never intended to keep them that long, but they get overlooked and I usually date the package when I buy them.
 
I've switched mostly to rechargeables too (mainly Eneloops for my Nikon Speedlites). I have 2 of the Maha MH-C801 D chargers and am quite happy with them - http://www.mahaenergy.com/mh-c801d/. I still use alkalines, mostly cheaper brands like Ikea's yellow ones or Costco's copper color Kirkland brand for my duaghter's toys, remotes, etc.
 
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