Garmin Xero C1 Pro Chronograph

Mine came yesterday. I charged it and uploaded the app., etc. One thing that I wanted to do was go through this thread again and glean all of the good tips from the THR members. I'm going to throw my Mophie in the bag for sure. Otherwise it seems very intuitive.

I've quit worrying about the life of the first charge. I probably did something wrong. :)

When I saw @Walkalong 's predicament with his battery the first thing I thought was that it was left out in the cold. I'm not sure what the temperature was that day, but I know my cell phone will die if it gets cold. The Tesla owners were whining that their batteries were not charging during the recent cold snap that we had here. Li-ion batteries don't take well to cold.

Neither do I when it comes to shooting, so I don't see that as a problem with me.
 
Not sure where the Lithium batteries do poorly in the cold comes from? The Tesla issues were on charging not discharging. Lithium (especially non-rechargeable lithium but rechargeable types too) always do great in cold weather use compared to nearly all other common battery types. Yes there are issues trying to charge some types of rechargeable lithium batteries in cold temperatures (as seen in the Teslas) but as far as using them (discharging) Lithium does better than most in the cold. Garmin for their handheld GPS units actually recommends non-recharge lithium AA batteries when operation in cold climates. Take your lithium cordless tool and a NiMH or old NiCad tool and leave them overnight in your cold truck and see which runs better in the morning. Lithium will eclipse either of those rechargeable batteries. Just bring your Xero in from the cold before you try to recharge it and away you go.
 
Lithium (once charged) do better in cold than alkaline.
In fact that's why I ran them in my Oehler for 20 years
 
@irishlad, like @mcb I wasn’t able to get to the range yesterday. So I tested it in the back yard with an air pistol. Just a few shots, and it seems to have worked fine with the cover installed. It didn’t occur to me to try it without it and compare performance.
 
You might be confusing LFP batteries with Li-ion. The garmin has Li-ion.
And they lose voltage when cold. The instructions for four wheeler Lithium batteries say if it won't turn over in the cold, turn on the lights and warm up the battery, and then it will crank. Unless you have a bigger problem of course.
 
Here’s the grandson’s shooting results.
Nothing better than shooting with my sons or nephews, but they all have families and are quite busy. My younger brothers kids have 3, 4 and 5 kids to chase around.

I shot with my older child today, but he was up from Pensacola, so that doesn't happen a lot, and my younger son is chasing three kids around.

Three nephews, and my younger brother shot the .22 rifle not long ago, and I completely failed pic taking.
 
And they lose voltage when cold. The instructions for four wheeler Lithium batteries say if it won't turn over in the cold, turn on the lights and warm up the battery, and then it will crank. Unless you have a bigger problem of course.
That is true for most any battery. If they are super cold they will have trouble delivering their rated current. Pulling a low current draw on them like headlights for a time will warm the battery through its own internal resistance increasing its ability to deliver more current. I was told and have been doing that for Lead Acid batteries long before the lithium based batteries were available.
 
@irishlad, like @mcb I wasn’t able to get to the range yesterday. So I tested it in the back yard with an air pistol. Just a few shots, and it seems to have worked fine with the cover installed. It didn’t occur to me to try it without it and compare performance.
Please post if you get a chance to compare it at the range. I like the idea of the cover. Thanks
 
Am I correct that you must have/use a smart phone to download the data to a PC?

I plugged my Xero into my computer and each session gets the data storied in a .fit file in the units memory. Currently is appears the only way to get that data out to a more usable format (.csv) is through your phone (Android or iPhone) or possibly a developer's program that you can get from Garmin but its for people developing software compatible with Garmin's other sport devices and is not going to be consumer level friendly. From reading on the forums over at Garmin there might be a consumer friendly version in the near future but the details were really vague.

In theory any android device, phone, tablet, or chrome book can likely run the ShotView app and get the data you want.
 
I'll be entering it into my excel reloading log the same way I always have with any chrono, by hand.
Its pretty easy to get a nice summary on the screen on the back of the unit, and with just a few more button presses, you can get the velocity for each shot in the string.

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There is a list of all you shot strings in the history page of the device.

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This is the intro screen to a stored shot string.
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This is the summary page for the shot string. Pretty standard chrono string data.
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This is the list you can scroll through to look at each shot in the string and you can delete a shot from this page and it will recalculate all the stats.
 
MidwayUSA refuses to send the Garmin unit to Alaska for some reason.

Does anyone know of a retailer who doesn't have ridiculously stupid policies?

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I just write down figures from the chronograph, phone, or pad into the same notebook I have used with all previous chronographs.
I did similar with my old Alpha Master. I would right the data down for each string on a cheap notebook that was usually in my range box or in a pinch a scrap of paper or on a few occasions the insides of an ammo box. When I got home that data got transferred into my reloading notebook that stays in the reloading room and also into a digital version I have built in Excel that let's me sort all my load data by any of the entries I like. Now it will be on my phone for transfer to my reloading notebook and copy and paste direct from One Drive into my spreadsheet.
 
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