charger question ( original leica )

[mort linder]

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i have 4 batteries that are numbered and that i cycle thru . when i go to use the next battery it has usually dropped to 95% , so i will charge it to 100% .

i now notice that the red light stays on even though the battery is over 85% or even 100% charged . the battery does show fully charged when put in the camera .

should i worry about the charger ? before , the red light would go off as the battery became fully charged . the green light does stop flashing .

[bobtodrick]

Not sure what you are saying,..but there is the golden 80-20 rule for recharging batteries.  It sounds like you may be charging them too soon.

https://www.washingtonpost.com/technology/2022/08/19/battery-charging-tips/

[mujk]

I think the charger behavior you describe is normal. At least the M10 manual does not mention that the red light should turn off when the battery is fully charged, as indicated by the green light that stops blinking and stays on. 

[Deejaybeephoto]

On 9/4/2024 at 2:34 AM, bobtodrick said:

Not sure what you are saying,..but there is the golden 80-20 rule for recharging batteries.  It sounds like you may be charging them too soon.

https://www.washingtonpost.com/technology/2022/08/19/battery-charging-tips/

The link is subscription only.

[Wolfs head]

Is there a sensible way to charge M10 batteries to 80%?  I haven’t the time or the patience to hover over the charger watching for the 80% light to appear - I  put the battery in the charger and leave it to do its stuff and usually, the battery is charged to 100% before I get back to it.

 

Best wishes,

AlanJ

[pedaes]

2 hours ago, Wolfs head said:

s there a sensible way to charge M10 batteries to 80%?

Why would you want to? The 80% light is just a helpful guide related to the time it takes to charge the final 20% . There is no recommendation from Leica to only charge to 80% to extend a batteries life.

[Wolfs head]

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4 hours ago, pedaes said:

Why would you want to? The 80% light is just a helpful guide related to the time it takes to charge the final 20% . There is no recommendation from Leica to only charge to 80% to extend a batteries life.

Just a random thought prompted by the large numbers of people discussing it, here and elsewhere.

[jaapv]

A large number of of people discussing on the Internet results in an immense heap of BS. 

[Steve Riley]

What do the lights show when battery is at 100%?

[M11 for me]

Both light are normally on when fully charged.

[M11 for me]

Am 11.9.2024 um 12:59 schrieb jaapv:

A large number of of people discussing on the Internet results in an immense heap of BS. 

Well, I appreciate that. But is that really correct? I honestly do not know. Do you mean that it does not change the lifespan of the battery whether charged 0- 100 all the time or 20 - 80 only as we learned from our Electric vehicles.

And another thing that I came across recently: The latest models of iPhone have a charging feature (in the settings) where you  can set the charging of the battery to a max of 80%. 

After all: What I am concerned I am with @Wolfs head: I have no time to watch the charger and unplug when the 80% light turns on. So I just charge my batteries in the evening and have fully charged batteries the next morning.

Edited January 22 by M11 for me

[PCPix]

32 minutes ago, M11 for me said:

when the 80% light turns on

In our house there is a rule for the kids… If they see an orange light (either flashing or solid) they take the battery out. The charger is plugged in next to the ‘treats’ cupboard, so the charger IS checked frequently! What this normally results in is a battery somewhere between 80 and 81%…!

I’m not precious about it and often they do get 100%. I’ve not had a battery drop off noticeably in performance since getting one of the first M10s (with spare batteries) in the Uk - whenever that was.

The main drop in battery performance was caused by moving from the M10 to the M10-R…

Edited January 22 by PCPix

[TomB_tx]

I've always charged my M9 & M10 batteries to 100% (both lights on solid), as I want best running time. Besides, if a battery goes bad I can always buy another... oh, wait...

[M11 for me]

vor 4 Stunden schrieb TomB_tx:

I've always charged my M9 & M10 batteries to 100% (both lights on solid), as I want best running time. Besides, if a battery goes bad I can always buy another... oh, wait...

That is my practical view as well. On the other hand I must say that I never replaced a battery because it was "weak" or "old". I do not number them either. I just use what is next.