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Posted: 4/26/2014 10:14:31 AM EDT
[#1]
ALL battery technologies suffer from temperature effects.
Cold conditions always reduce the available power as it reduces the rate at which the chemical reactions in the battery can proceed. The word is LOSE, not LOOSE. |
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Posted: 4/26/2014 10:17:47 AM EDT
[#2]
What are you using these batteries in? How cold? There are a tom Of variables and zero information given. Lithium is usually a good bet for cold weather.
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Posted: 4/26/2014 3:42:24 PM EDT
[#3]
Quote HistoryQuoted:
ALL battery technologies suffer from temperature effects. Cold conditions always reduce the available power as it reduces the rate at which the chemical reactions in the battery can proceed. The word is LOSE, not LOOSE. Yep! |
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Posted: 4/26/2014 3:43:29 PM EDT
[#4]
Batteries loosing power? They'd better keep those electrons tied up, then.
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Posted: 4/26/2014 4:10:24 PM EDT
[#5]
...in a flashlight.
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Posted: 4/26/2014 4:14:26 PM EDT
[#6]
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Posted: 4/27/2014 10:14:15 AM EDT
[#7]
Quote HistoryYep. If you're worried about hot, or cold, get some Energizer Lithium Ultimates, or Advanced. The shelf life is now up and over 20 years, they're half the weight and don't leak. Nominal voltage is in the 1.8v range. Chris |
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Posted: 4/27/2014 11:06:43 AM EDT
[#8]
Quoted:
Lithium batteries are better, but do any of you know how nickel metal hydride does in comparison? Compared to alkaline cells, Sanyo claims that their "Eneloop" Ni-MH batteries have superior low-temperature performance. From their "Eneloop Battery Handbook": 
This chart is with a 0.5 amp load on the battery - which is pretty substantial. At lower loads, the Alkalines don't look quite as bad in comparison. |
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Posted: 4/27/2014 11:20:32 AM EDT
[#9]
Cold weather substantially lowers performance of all battery chemistry types, including lithium.
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Posted: 4/27/2014 11:36:08 AM EDT
[#10]
I tape mine in place. Have not lost one yet.
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Posted: 4/27/2014 12:02:04 PM EDT
[#11]
Quote HistoryQuoted:
Compared to alkaline cells, Sanyo claims that their "Eneloop" Ni-MH batteries have superior low-temperature performance. From their "Eneloop Battery Handbook": http://imageshack.com/a/img842/2267/6n7r.jpg This chart is with a 0.5 amp load on the battery - which is pretty substantial. At lower loads, the Alkalines don't look quite as bad in comparison. Quote HistoryQuoted:
Quoted:
Lithium batteries are better, but do any of you know how nickel metal hydride does in comparison? Compared to alkaline cells, Sanyo claims that their "Eneloop" Ni-MH batteries have superior low-temperature performance. From their "Eneloop Battery Handbook": http://imageshack.com/a/img842/2267/6n7r.jpg This chart is with a 0.5 amp load on the battery - which is pretty substantial. At lower loads, the Alkalines don't look quite as bad in comparison. NiMH generally perform better in cold temps and under high current draw - but then you have to deal with all their other detriments, such as cell memory (which is better now), energy density, and cell life cycle. If you already have a bunch of lithium cells and chargers, I'm not sure it's worth investing in another cell chemistry. But if your chargers will work with NiMH, couldn't hurt to buy a few cells and try them out. Just make sure you don't charge them or the Lions incorrectly, as they have different per cell voltages (1.2V vs. 3.7V). |
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Posted: 4/27/2014 8:04:31 PM EDT
[#12]
Quote HistoryQuoted:
NiMH generally perform better in cold temps and under high current draw - but then you have to deal with all their other detriments, such as cell memory (which is better now), energy density, and cell life cycle. Sanyo claims their current-generation "eneloops" are good for up to 1500 charge-discharge cycles, and retain 75% percent of their original charge after 3 years in storage. Some of the other conventional NiMH cells have very high self-discharge rates (i.e., completely dead after 1 month in storage), and thus aren't a very good choice for flashlights that aren't used and recharged frequently. |
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Posted: 4/27/2014 8:15:34 PM EDT
[#13]
Energizer Lithium AA or CR123A are the best in cold weather. I think Li-Ion is better than NiMH or Alkalines.
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Posted: 4/28/2014 9:39:52 AM EDT
[#14]
Quote HistoryQuoted:
Energizer Lithium AA or CR123A are the best in cold weather. I think Li-Ion is better than NiMH or Alkalines. Anyone have troubles using Energizer Lithium in their LED lights? |
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Posted: 4/28/2014 10:13:45 AM EDT
[#15]
Quote HistoryQuoted:
Energizer Lithium AA or CR123A are the best in cold weather. I think Li-Ion is better than NiMH or Alkalines. Nope, NiMH is generally better in cold. In the past, I always used NiMH batteries in my cameras in winter, because Li-Ion would get so weak that the camera wouldn't even power up unless the batteries were really fresh. But now I rarely even carry a camera, and just keep my cell phone (which is Li-Ion) in an inner pocket where it stays warm. My S4 takes damn good pics for a cell phone, and has decent battery life (much better than the S3 it replaced). But if you keep it in an outside pocket when it's sub-zero outside, it's probably not going to work when you need it. |
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Posted: 4/28/2014 10:18:32 AM EDT
[#16]
Quote HistoryQuoted:
Compared to alkaline cells, Sanyo claims that their "Eneloop" Ni-MH batteries have superior low-temperature performance. From their "Eneloop Battery Handbook": http://imageshack.com/a/img842/2267/6n7r.jpg This chart is with a 0.5 amp load on the battery - which is pretty substantial. At lower loads, the Alkalines don't look quite as bad in comparison. Quote HistoryQuoted:
Quoted:
Lithium batteries are better, but do any of you know how nickel metal hydride does in comparison? Compared to alkaline cells, Sanyo claims that their "Eneloop" Ni-MH batteries have superior low-temperature performance. From their "Eneloop Battery Handbook": http://imageshack.com/a/img842/2267/6n7r.jpg This chart is with a 0.5 amp load on the battery - which is pretty substantial. At lower loads, the Alkalines don't look quite as bad in comparison. Sweet, that means that my Logitec G700s will work in the bitter cold!  (it came with one Sanyo Eneloop battery  )
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