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conditioning batteries

Hi — can anyone advise me on the procedure to condition new batteries for digital cameras? I have a vague recollection that there’s something you’re supposed to do to new batteries to max their performance. I’ve got EN-EL4 batteries to sort out.
thanks in advance.

by teru kuwayama at 2005-07-15 14:11:01 UTC (ed. Mar 12 2008 ) brooklyn , United States | Bookmark | | Report spam→

Hey Teru – you should charge then refresh the battery three times in a row. There’s an article here that outlines it:

It also helps to do a refresh/charge cycle once a month or so.

by Stephen Voss | 15 Jul 2005 18:07 | Portland, Oregon, United States | | Report spam→
We just got a whole bunch of new batteries at work….we refreshed/charged them three times in a row before using them…

by Ana Pimsler | 15 Jul 2005 18:07 | Washington, DC, United States | | Report spam→
right on, will do - thanks a lot.

by teru kuwayama | 17 Jul 2005 09:07 | brooklyn, United States | | Report spam→
hey, I’m stll confused —
on my battery charger, the only buttons I see are for "calibration", not "refresh". and the instuction maual says not to recharge a fully charged battery.
this is the D2X rig, not the D1X rig. MH21 quick charger.

by teru kuwayama | 18 Jul 2005 11:07 | brooklyn, United States | | Report spam→
The D2 batteries are different from the D1 batteries. I think they are using a different type of cell in them. My understanding is the EN-EL4 need to be completely discarched before they are charged for the first time. I’ve got two EN-EL4’s…one arrived with a charge and needed to be discharged before it was charged for the first time. The other came already drained. You should run the battery down before charging it again. and the "calibration" function on the charger is different from the "refresh" on the old chargers.

If this is your first experience with the EN-EL4 you’re gonna love ‘em. Mine last for about 5 -6 days of moderate shooting on a single charge. With the old D1 EN4’s I felt lucky if my charge lasted 2 hours.

by Mike Brown | 19 Jul 2005 16:07 | Memphis - USA, United States | | Report spam→
D2-series batteries are lithium-ion and a huge stepup from the Nickel Metal Hydride batteries  in the D1 series. 
You can do the do the 3-cycle charge/discharge.  My 1-year old EN-EL4s are still going strong without the conditioning.

Lihtium-ions should never be completely discharged. 

More info here:




by David Monroe | 04 Aug 2005 11:08 | East Coast, United States | | Report spam→

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teru kuwayama, I/O teru kuwayama
New York , United States
Stephen Voss, Photojournalist Stephen Voss
Washington, Dc , United States
Ana Pimsler, Photojournalist Ana Pimsler
Manassas, Va , United States
Mike Brown, Photographer Mike Brown
Memphis , United States
David Monroe, David Monroe
[undisclosed location].


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