Who bought a second battery for their M10?

[jon595]

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I was lucky that when I bought my M10 off of eBay, it came with 3 batteries.  To make sure those last, I numbered them and rotate their use.  Also, like all lithium batteries, I make it a point to not run them down below 40% before recharging.  This way, the batteries are getting used evenly and never being completely run down and this practice should help preserve them as long as possible.

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[kivis]

Is there any harm in a fully charged battery staying in the charger for an indefinite period of time?

[patrickcolpron]

1 hour ago, kivis said:

Is there any harm in a fully charged battery staying in the charger for an indefinite period of time?

Short answer, no. 

I have five M10 cameras, all the different variant and 14 batteries plus 7 chargers, an extra charger came with an M10-D I purchased used because it had been discontinued, and another extra charger came from  person I bought two batteries from.

I wanted 15 batteries, 3 per camera but stopped at 14 because I usually just use one camera at a time and never use more than 3 batteries a day for that camera.

You can make well over two thousand photos on one battery, I always shoot manual mode, I never let the camera go to sleep and every time I shoot it is in continuous high speed. 

I have at most 3 chargers plugged in during the summer months and only 2 for winter months. 

When I travel I usually just bring 8 or 9 batteries with me for 10 days, no chargers. I tend to use a Leica MP to shoot film while on vacation, I don't use the M10 as much. 

Having at least one extra battery is a must, having two extra batteries is better. 

When I shoot on a good day I'll go through 3 batteries with about 15% left in them while filling up three 128 gig SD cards, I'm mental. 

[dugby]

8 hours ago, patrickcolpron said:

Short answer, no. 

I have five M10 cameras, all the different variant and 14 batteries plus 7 chargers, an extra charger came with an M10-D I purchased used because it had been discontinued, and another extra charger came from  person I bought two batteries from.

I wanted 15 batteries, 3 per camera but stopped at 14 because I usually just use one camera at a time and never use more than 3 batteries a day for that camera.

You can make well over two thousand photos on one battery, I always shoot manual mode, I never let the camera go to sleep and every time I shoot it is in continuous high speed. 

I have at most 3 chargers plugged in during the summer months and only 2 for winter months. 

When I travel I usually just bring 8 or 9 batteries with me for 10 days, no chargers. I tend to use a Leica MP to shoot film while on vacation, I don't use the M10 as much. 

Having at least one extra battery is a must, having two extra batteries is better. 

When I shoot on a good day I'll go through 3 batteries with about 15% left in them while filling up three 128 gig SD cards, I'm mental. 

I’m embarrassed to admit that I over achieved your goal of 3 batteries per M10.

I accidentally ended up with 4. In hindsight I really only need 1 spare, but some low costs ebay purchases got me to 4

3 ebay purchases were cheaper than one Leica Boutique purchase… 🤔

[patrickcolpron]

8 minutes ago, dugby said:

I’m embarrassed to admit that I over achieved your goal of 3 batteries per M10.

I accidentally ended up with 4. In hindsight I really only need 1 spare, but some low costs ebay purchases got me to 4

3 ebay purchases were cheaper than one Leica Boutique purchase… 🤔

That's funny, I honestly seldom use more than one battery except on days when I do street photography (calling my photos street is doing street photography a disservice...)  when the light is great I go all out. I think 2 spare is enough but 3 is better.

I purchased 5 out of 14 on a French online Leica Forum, 3 of them new never used from people who realised they didn't need them. 

People like us are not the norm, all my batteries except the ones I got with the M10-D are business expenses 😉 

[rramesh]

A second battery is a must and I bought one. Why?

• On day trips, sometimes the first battery may not last a full day. 
• Sometimes overnight charging may not be possible.

There is no workflow other than checking 'battery remaining' and if it falls below 30-40% you need to be ready to swap. I never wait for the camera to shut down.

Edited March 20, 2024 by rramesh

[leicarolla]

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Everyone with an M10 has a second battery. Not sure what you mean by work flow.