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MattVT's latest activity
MattVT
replied to the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
.
80%
Dec 30, 2025
MattVT
reacted to
PrimeRisk's post
in the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
with
Haha
.
Or we could just to back to the old Block Heater Fashion Days. Just plug her in on cold nights for a sure start tomorrow.
Dec 29, 2025
MattVT
reacted to
chl's post
in the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
with
Like
.
There should be a modification to EVs that allows them to access the J1772 energy from an EVSE when plugged in, to trickle charge the...
Dec 29, 2025
MattVT
reacted to
chl's post
in the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
with
Like
.
Yes, even in more temperate climates a battery tender will help prolong the lifespan, and never hurts, assuming it is one with an AGM...
Dec 29, 2025
MattVT
reacted to
chl's post
in the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
with
Like
.
Yes, so true! My curiosity stems from all the 12v battery failures in under 3years that have been reported on the forums and what is...
Dec 29, 2025
MattVT
reacted to
chl's post
in the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
with
Like
.
Well 94% is not too bad. 100% is of course better - only solution for that is a $40 or so trickle charger with an AGM mode. But one...
Dec 29, 2025
MattVT
replied to the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
.
Not just that, but the truck is plugged in. It has access to All The Power™️.
Dec 29, 2025
MattVT
replied to the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
.
I’m still trying to work out if the data I’ve collected helps to answer whether that’s necessary or not, and if so, in what conditions...
Dec 29, 2025
MattVT
replied to the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
.
Just to add, the vehicle is still stationary and parked, and will remain that way for another week. This week is particularly cold with...
Dec 29, 2025
MattVT
reacted to
chl's post
in the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
with
Like
.
Interesting, thanks for posting your data. From what I read the AGM battery fully charged terminal voltage can vary by manufacturer...
Dec 28, 2025
MattVT
reacted to
Adventureboy's post
in the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
with
Like
.
It appears to me that the heat cycles do cause the DC-DC charger to kick in, but it is hard to tell without a proper monitor on the 12v...
Dec 28, 2025
MattVT
reacted to
Adventureboy's post
in the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
with
Like
.
HA polling will probably prevent the truck from going into power saver mode so the longer cycles are probably just the warmer weather in...
Dec 28, 2025
MattVT
replied to the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
.
Are you implying that polling the API actually directly polls the truck itself? My understanding is that polling the API is entirely...
Dec 28, 2025
MattVT
replied to the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
.
That would make sense to me too, but my understanding from what I had read was that deep sleep occurs have 2 weeks of no driving...
Dec 28, 2025
MattVT
reacted to
TaxmanHog's post
in the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
with
Like
.
That's what I've experienced with some testing last winter. Thanks for the detailed report and charting.
Dec 27, 2025
MattVT
reacted to
NW Ontario Ford Lightning's post
in the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
with
Like
.
This is consistent with what I see here in NW Ontario - yeah we get cold weather here. A buddy that is interested in getting a Lightning...
Dec 27, 2025
MattVT
reacted to
Albern's post
in the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
with
Like
.
Thanks for the report. This is consistent with my observations in below 0-degrees C weather. If my truck is sitting, it'll draw about...
Dec 27, 2025
MattVT
reacted to
21st Century Truck's post
in the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
with
Like
.
This is good info.
Dec 27, 2025
MattVT
replied to the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
.
I wish I could but I honestly have no idea. I’ve done no ForScan modifications to this truck. My best guess is that maybe one of the...
Dec 27, 2025
MattVT
replied to the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
.
Yeah, I’ll need to massage the data a little but will see what I can manage.
Dec 27, 2025
MattVT
replied to the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
.
I don’t think so - that’s why I stacked the two charts. It looks like in the first week, it was pulling power much more frequently, and...
Dec 27, 2025
MattVT
replied to the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
.
Yup, I was banking on that happening and that’s what the graphs show. What I’m unclear on is to why the behavior changed after 1 week...
Dec 27, 2025
MattVT
posted the thread
Charging while parked & unused (over 2 weeks) in cold weather - recorded data
in
Charging / Chargers / Battery / Vehicle-to-Vehicle Charging
.
Our 2025 Lariat has been parked, completely unused, for a little over 2 weeks (since December 10), and I've been collecting data on the...
Dec 27, 2025
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