Anything wrong with completely draining camera battery?

3 years 5 months ago #702344 by Raymond Z
Will any damage occur to a camera battery that is continuously drained down during each use?  


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3 years 5 months ago #702347 by Nikon Shooter
Continuously draining down a camera battery is a very bad prac-
tice… in most cases, fatal. In some cases, the batteries may inver-
se their polarity… also a bad prospective.

Contrary to heat — that will affect the membranes inside the cells,
draining will compromise the electrochemical compound itself.

Stay well Raymond.

Light is free… capturing it is not!
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3 years 5 months ago - 3 years 5 months ago #702627 by CharleyL
Nickel Cadmium type batteries can develop a kind of "memory" if you discharge them partially and then recharge them many times to about the same discharge state. The cells become unbalanced over time.. The solution for them is to fully discharge them and then fully recharge them a couple of times. This will rebalance the cells and remove their "memory" problem, as long as their internal chemistry remains stable. This is good for nickel cadmium batteries, but not a good idea for most other kinds of batteries.

It's best not to fully discharge most kinds of batteries and to just charge them or top off their charge before using them, if you really will need their full capacity. Eventually, even the best batteries will loose their ability to hold a full capacity charge, but most lithium ion batteries will last through about 1000 partial discharge of not lower than about about 10% and then full recharge cycles before their useable life comes to an end. After a full charge, most lithium ion cells will retain 80% or more during long storage periods too, if fully charged before putting them into storage.

Charley


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3 years 5 months ago #702641 by Nikon Shooter

CharleyL wrote: Nickel Cadmium type batteries can develop a kind of "memory" …


That applied only to the sintered type of cells.

Light is free… capturing it is not!
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3 years 5 months ago #702653 by Ozzie_Traveller
G'day Raymond

Conventional wisdom -from the battery suppliers themselves- advises that the Li-ion battery be recharged regularly after use ... ie- if it needs 10% give it 10% .... or 50% give it 50% to bring it up to normal

It is also suggested that "once in a while" the battery be drained until the red-light comes on inside the viewfinder (ie- at about 95% exhaustion rate) and then you recharge from there. This latter usage and recharge is supposed to keep the whole of the battery in working order

Hope this helps
Phil from the great land Downunder
www.flickr.com/photos/ozzie_traveller/sets/

Phil from the great land Downunder
www.flickr.com/photos/ozzie_traveller/sets/

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3 years 5 months ago #702737 by Pat White
Once it gets down to the last bar, I swap mine out.  


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3 years 5 months ago #702990 by Hawkins
I've done this many times, nearly all the time and never any problems with my batteries.  If draining down is bad, seriously news to me.  


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