Update. New Instinct replacement picked up over 2 weeks ago.
4/30. PM. Fully charged.
5/16. PM. Finally completely died. Over 16 days of battery life.
- no GPS tracking in between during this 16 day stretch.
- few GPS clock sync during travel.
- 24/7 HR tracking, except for shower.
- normal usage, calls only notifications, occasional button press... etc.
Overall. Very satisfy with the battery life of my replacement watch!
Update. I'm now on my THIRD Instinct.
1st: I purchased a used returned item at REI. Started out with only 5 days of battery life. Returned to REI.
2nd: Brand new from REI. Started with 16 days of battery life for only the first 2 full charges. After that it degraded, now I'm only down to about 1 week of battery life. Returned to REI.
3rd: Picked up at REI on 6/09. We'll see how this one turn out. I love this watch so much that I'm willing to put up with all this crap, but only to a point.
See my response to your same question here: Answer
OP here again. I have to start with just being sad to see continual life on this thread.
My 2nd unit after the initial problematic one is still running strong. I almost completely agree with GeoffR's comments above: Got mine about the same time, I get about the same life and usage, I also tend to "over charge" by 20-30 mins, and almost all of my settings are the same, I'm slightly more battery aggressive though; current settings listed below. Also Flame Red, wear 24/7, except in shower, but do while swimming/in water.
I've got several full day recordings using GPS + GLONASS recording at 1s intervals. Typically, I don't go more than 2 days of these without recharging in between, if not every day in between. USB battery packs are great for this when backpacking, even taking it off-wrist to add a bit of charge during breaks. Generally, I would say I get at least what the Garmin site advertises and am still very happy with this watch.
This thread as proof, I'd strongly argue against anyone buying any of these returned as everyone on this thread could offer up a first guess as to why it was returned.
4.00 - Software version
30% - Backlight
15s - Timeout
1st (top) - Watch face (w/ seconds)
ON - Move alert
ON - Move IQ
OFF - Gesture
OFF - Key Tones
ON - Vibration
Every second - Data recording
Phone:
CONNECTED - Status
ON - Status
ON - Smart Notifications
ON - Alerts
Widgets (in order):
Barometer
Elevation
Moon Phase
Sunset
Clock (Default)
HR
Steps
My Day