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Archive 2009 · Imedion vs Eneloop

  
 
gearhead5
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p.1 #1 · p.1 #1 · Imedion vs Eneloop


I recently needed to purchase some low-discharge batteries, but couldn't decide whether to buy Imedion or Eneloop. A web search turned up a couple of battery tests which indicated that the Imedion was the better battery. Not only does the Imedion have a better charge retention than the Eneloop, but it also has a higher capacity. In addition the measured capacity of the Imedion exceeds its advertised nominal capacity, but the measured capacity of the Eneloop is less than it's advertised capacity. Here are the tests:

http://servaas.com.au/blog/

and

Sorted summary capacity mAh data:

AA low self-discharge NiMH
battery initial 1-hour 1-week 4-week 3-month 3m/1h%
IME 1831 2186 2053 2008 1940 89% MAHA IMEDION 2100 mAh
KPC 1723 2124 2021 1950 1874 88% Kodak Pre-Charged 2100 mAh
GRY 1687 2116 1992 1938 1872 88% GP Recyko 2100 mAh
DPC 1515 2010 1906 1857 1821 91% Duracell Precharged 2100 mAH
HYB 1619 2026 1918 1870 1808 89% Hybrio by Ultralast 2100 mAh
AMX 1645 2078 1936 1856 1784 86% Ansmann Max-e 2100 mAh
ENO 1189 2017 1904 1854 1768 88% Nexcell EnergyON 2000 mAh
ENL 1438 1980 1847 1811 1746 88% Eneloop by Sanyo 2000 mAh
RHY 1738 2021 1867 1795 1716 85% Hybrid by Ray-O-Vac 2100 mAh
RSK 1505 2024 1868 1808 1705 84% Radio Shack pre-charged 2000 mAHr
ACC 1737 2022 1899 1790 1696 84% Acculoop 2100 mAh
TPE 1009 1932 1847 1795 1590 82% Titanium Power Enduro 2100 mAh

AA ordinary NiMH
battery initial 1-hour 1-week 4-week 3-month 3m/1h%
PW20 * 1963 1804 1677 1259 64% Powerex 2000 mAh NiMH
LC20 * 1727 1595 1498 1212 70% LaCrosse 2000 mAh NiMH
KOD * 2072 1917 1673 1012 49% Kodak 2100 mAh NiMH
SY23 * 2091 1899 1615 888 42% Sanyo 2300 mAh NiMH
TI26 * 2001 1745 1495 781 39% Titanium 2600 mAh NiMH
RAY * 1579 1471 1273 605 38% Ray-O-Vac 1600 mAh NiMH
NEX * 1239 1211 978 533 43% NEXcell 2200 mAh NiMH
TI24 * 2109 1859 836 0 0% Titanium 2400 mAh NiMH

-500 hours capacity as delivered
0 hours zero-time capacity after at least three cycles
168 hours--one-week capacity
672 hours--four-week capacity
2184 hours--three-month capacity

http://i6.photobucket.com/albums/y231/PeterAStoll/photogeek/batteries/AA_cap_time_0.gif



May 15, 2009 at 05:11 AM
soccerjoe5
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p.1 #2 · p.1 #2 · Imedion vs Eneloop


I'm using Imedions on all my strobes and I've been very happy with them.


May 15, 2009 at 06:43 AM
sjms
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p.1 #3 · p.1 #3 · Imedion vs Eneloop


i use both and in the long run real world they both do about the same job.


May 15, 2009 at 07:40 AM
bitmaker
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p.1 #4 · p.1 #4 · Imedion vs Eneloop


sjms wrote:
i use both and in the long run real world they both do about the same job.


+1 It's all good.



May 15, 2009 at 09:02 AM
sjms
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p.1 #5 · p.1 #5 · Imedion vs Eneloop


of course that is within a real world margin of error.


May 15, 2009 at 09:03 AM
m3rocket
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p.1 #6 · p.1 #6 · Imedion vs Eneloop


Anyone try the new Delkin 2300mAh low discharge batteries yet?

http://thomasdistributing.com/shop/delkin-2300-mah-aa-low-discharge-rechargeable-batteriesbr4-battery-packbrfree-4-cell-battery-holder-p-1247.html?SP_id=75



May 15, 2009 at 02:06 PM
wordfool
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p.1 #7 · p.1 #7 · Imedion vs Eneloop


no, but I read somewhere that they're essentially the same output as the eneloops despite the 2300mAh claims.


May 15, 2009 at 02:40 PM
Greg Feldman
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p.1 #8 · p.1 #8 · Imedion vs Eneloop


I had a bunch of Immedions that would _not_ charge in my Maha 808 charger. (Immedions are made by Maha. Go figure.) The contacts seemed too short to create a circuit.

Thomas Distributing replaced them all with Eneloops for me, and I've been going strong with AAs ever since.



May 15, 2009 at 02:55 PM
sjms
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p.1 #9 · p.1 #9 · Imedion vs Eneloop


pipspeak wrote:
no, but I read somewhere that they're essentially the same output as the eneloops despite the 2300mAh claims.


they are. i have a set of 4. again no real world difference



May 15, 2009 at 05:58 PM
sjms
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p.1 #10 · p.1 #10 · Imedion vs Eneloop


Greg Feldman wrote:
I had a bunch of Immedions that would _not_ charge in my Maha 808 charger. (Immedions are made by Maha. Go figure.) The contacts seemed too short to create a circuit.

Thomas Distributing replaced them all with Eneloops for me, and I've been going strong with AAs ever since.


i have run into that same issue with some of their other batteries too. so much for international standards.



May 15, 2009 at 06:00 PM
EB-1
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p.1 #11 · p.1 #11 · Imedion vs Eneloop


I thought the Imedion was the same as the Eneloop. Does someone other than Sanyo manufacture it? There are only limited number of manufacturers despite all of the brand names on the shrink label.

EBH



May 15, 2009 at 07:47 PM
sjms
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p.1 #12 · p.1 #12 · Imedion vs Eneloop


MaHa does in Taiwan

http://www.mahaenergy.com/store/company.asp



May 15, 2009 at 08:02 PM
Kiron Kid
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p.1 #13 · p.1 #13 · Imedion vs Eneloop



The Sony "Cycle Energy" batt's are rebadged Sanyo Eneloops. They've been working great for me, as have the Eneloops.

Kiron Kid



May 15, 2009 at 08:05 PM
sjms
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p.1 #14 · p.1 #14 · Imedion vs Eneloop


not exactly. the "cycle energy" is their rechargeable NiMh battery line which includes a eneloop type cell too called the "Blue".

http://products.sel.sony.com/battery/rechargeable.php



May 15, 2009 at 08:50 PM
coffee_mon
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p.1 #15 · p.1 #15 · Imedion vs Eneloop


I got some of the Uniross Hybrio lowloss as the others are hard to find and I'm hoping they give the same performance?


May 23, 2009 at 01:48 PM
m3rocket
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p.1 #16 · p.1 #16 · Imedion vs Eneloop


Greg Feldman wrote:
I had a bunch of Immedions that would _not_ charge in my Maha 808 charger. (Immedions are made by Maha. Go figure.) The contacts seemed too short to create a circuit.

Thomas Distributing replaced them all with Eneloops for me, and I've been going strong with AAs ever since.


Strange--I have some Immedions from an early batch when they were first released. Charges fine on all my MAHA chargers--including an 808.



May 23, 2009 at 04:13 PM
Ivtrain
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p.1 #17 · p.1 #17 · Imedion vs Eneloop


I also have the Imedions and also the 2700mAh Powerex ones...both are great IMO. Over on dslrusers.com there is a pretty good thread about them with some solid comparisons done also - rating both higher than Sanyo's Eneloops...


May 23, 2009 at 06:39 PM
EB-1
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p.1 #18 · p.1 #18 · Imedion vs Eneloop


The differences in the charts for the low-discharge cells are rather small - certainly nothing to worry about. The question I have is how well the various cells perform after 2 years of use.

EBH



May 23, 2009 at 06:45 PM
sjms
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p.1 #19 · p.1 #19 · Imedion vs Eneloop


Ivtrain wrote:
I also have the Imedions and also the 2700mAh Powerex ones...both are great IMO. Over on dslrusers.com there is a pretty good thread about them with some solid comparisons done also - rating both higher than Sanyo's Eneloops...


whatever makes the user happy. i saw nothing there that gave me that impression. pretty much as is here 6 of one half dozen of the other.



May 23, 2009 at 06:57 PM
Ivtrain
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p.1 #20 · p.1 #20 · Imedion vs Eneloop


sjms wrote:
i saw nothing there that gave me that impression. pretty much as is here 6 of one half dozen of the other.


Well I got my impression from here...make of it what you will, as you said, much of a muchness really for most people I would imagine.

http://wolfeyes.com.au/news/?p=6

http://wolfeyes.com.au/news/?p=25

The inital post / comparison was linked from Servaas products down here in Australia. Jeff from Servaas posts with the same opinion on dslrusers.com, as do other members of that forum....



May 23, 2009 at 10:23 PM
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