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Old 08-30-2013, 05:19 PM   #1
newbiesforever
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rechargeable batteries and chargers


I hope nobody minds me posting a Linux-irrelevant technology question; I just didn't want to bother locating the appropriate technology forum online and joining it when I wasn't going to hang around. I own some Energizer rechargeable batteries of this type http://www.amazon.com/Energizer-Rech...e+batteries+aa v and a fairly old model charger--I bought it around five years ago but have seen it around longer than that. Now that I need new batteries, I would like to buy this kind http://www.amazon.com/Energizer-Lith...attery+charger because they last longer and are now easier to find. Would I have to buy a new battery charger or would this "ultimate lithium" type work in my old one?
 
Old 08-30-2013, 05:40 PM   #2
michaelk
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Li-Ion and NiMH have different charging techniques and therefore you can not use the same charger.

Note: After rereading the description these are not rechargeable. Lithium is not the same thing as Lithium-ion rechargeable.

Last edited by michaelk; 08-30-2013 at 05:47 PM.
 
Old 08-30-2013, 06:25 PM   #3
newbiesforever
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Yeah, but actually, I did mean to post Energizer's latest greatest rechargeable batteries, and carelessly posted the wrong type; so your answer was what I needed. Thank you.
 
Old 08-30-2013, 09:12 PM   #4
jefro
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In a perfect world the designed chemistry of the battery would be known and an exact charger would be sold.

I doubt you'd suffer too much with a model that supports the proper chemistry and not the specific brand. To be sure contact the maker for proper chargers.
 
Old 08-31-2013, 02:24 AM   #5
H_TeXMeX_H
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I'd say NiMH is safer. There have been incidents of laptop Li-ion batteries catching fire and/or exploding because of bad manufacturing or improper chargers.

I use NiMH batteries for devices that need to stay in the cold for an extended period of time. Alkaline batteries just freeze or at least become sluggish in the cold. NiMH batteries also work well for digital cameras and TV remotes.

Last edited by H_TeXMeX_H; 08-31-2013 at 02:25 AM.
 
Old 09-09-2013, 07:46 AM   #6
enine
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As others have said lithium is not the same as the (rechargeable) lithium ion. lithium are available in AA size but not typically in a consumer store like amazon since the voltage per cell is about twice that of a typical AA.

Energizer kind of killed their rep with that 2500mAh high self discharge and their 15 minute battery cookers. If you want the best get some sanyo Eneloops and a MAHA C9000 charger. I have Sanyo's from 1999 that still held 80% of their capacity when I gave them to the kids a couple years ago as I replaced them with eneloops.
 
Old 09-09-2013, 08:44 AM   #7
H_TeXMeX_H
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I also recommend Sanyo NIMH batteries, I have plenty of 2700mAh ones and they last much longer than alkaline or other brands.
 
  


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