Today's Message Index:
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1. 12:34 PM - Re: Re: Battery Cutoff question (skywagon185guy)
2. 01:20 PM - Re: Re: Battery Cutoff question (Charles Kuss)
Message 1
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| Subject: | Re: Battery Cutoff question |
Ron,
I have a couple of thoughts....
* Don't buy a "remote" to start a car for "just for a few minutes" of
charge. Modern engines shouldn't be run just for a few minutes and then
shut down. The oil gets contaminated with cold engine chemistry that only
"hot" oil can properly deal with.
* I don't know details on the car that is causing problems but if it
contains a computer sub-system, it may be the kind that stays on all the
time. That should be checked.
* For street parked car charging....suggestion. Small 12volt solar panels,
say about 5"x 8", etc. are really cheap now. They put out about 1/4 to 1/2
amp. Which is fine for light charging of a car battery. Attach it to a
cigarette cable and plug it into the cigarette socket in the dash. Place
the unit on the car dash so it gets the sun.
However, there is a key warning about these small solar panels. Most of
The 12 volt units can go as high as 18 Volts. Thus if the car battery is
fully charged the panel could continue to trickle charge it. The battery
could start to slowly "gas" as the voltage raises. A low cost modification
can stop this over-charging. Using a zener diode or similar to protect the
battery from the higher charging voltage problem. You may be able to find
a solar unit that already has this builtin protection or a friend that can
modify the it.
Dave
On Thu, Jan 5, 2023 at 1:03 PM rparigoris <rparigor@hotmail.com> wrote:
> rparigor@hotmail.com>
>
> Hi Group
> Thanks to all who replied.
>
> I was able to procure a tool post cleaning tool with reamer locally but
> same as this:
>
> https://www.amazon.com/Performance-Tool-W152C-Battery-Cleaner/dp/B000N31Z
YY/ref=asc_df_B000N31ZYY/?tag=hyprod-20&linkCode=df0&hvadid=3126817
40304&hvpos=&hvnetw=g&hvrand=11594008048498942491&hvpone=&hvptwo=
&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=1023372&hvtargid=p
la-571302571565&psc=1&tag=&ref=&adgrpid=61040318086&hvpone=&hvptw
o=&hvadid=312681740304&hvpos=&hvnetw=g&hvrand=1159400804849894249
1&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=1023372&hvtargid=
pla-571302571565
>
> Probably dullest reamer I have ever used! I bent the Brass terminal large
r
> and made an aluminium tapered spacer to go in gap and iightened bolt and
> reamed. I used cutting fluid and drill, was able to get 75% contact area,
> which should be OK. Now just need to make a male adapter.
>
> It's my son's car and it lives on street so no Battery Tender option. I
> checked drain and never found anything. It's a Ford Focus Se and it has
> several come alive modes. My wife against my urging purchased from a Ford
> dealer a silly start car remote. I suspect that's the problem. Once in a
> while you can't turn car off. Disconnecting battery resolves problem. It
> has been to 2 Ford Stealerships and they couldn't find any problem. They
> also couldn't remove the remote start because it isn't a Ford unit. It wa
s
> installed at the Dealer car was purchased from.
> Never heard of a starter drain, good to know. It doesn't have trailer
> wiring. I thought it could perhaps be alternator, but I see no drain when
> it goes to sleep. Checked all lights and they are going out. The various
> sleep modes are way beyond the manual I have to trouble shoot. The batter
y
> is fairly new and BMS was reset when battery was changed. When battery is
> disconnected, it's still fine after 2 weeks.
> BTW have you guyz ever looked at how the charging works on a Ford like
> this? I have a Focus ST with an Access Port so I can watch the charging.
> the voltage is way up, then drops, goes sideways and then upside down! Ju
st
> the way Ford does it. It has a sensor on Negative battery terminal. If yo
u
> don'[t reset BMS with a new battery, it will overcharge the battery and f
ry
> it. Disconnecting the battery does not reset BMS.
> Thanks again!
> Ron P.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=509894#509894
>
>
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Message 2
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| Subject: | Re: Battery Cutoff question |
The cigarette lighter as a power port only works on American vehicles, such as
your Ford. Asian vehicles and many European vehicles only supply power to the
cigarette/power port with the ignition switch in the Accessory or Run positions,
so the power generated by the solar panel would not be delivered to the battery
on those vehicles.
Charlie
On Sunday, January 8, 2023, 03:43:32 PM EST, skywagon185guy <skywagon185@gmail.com>
wrote:
Ron,
snipped
* For street parked car charging....suggestion. Small 12volt solar panels, say
about 5"x 8", etc. are really cheap now. They put out about 1/4 to 1/2 amp. Which
is fine for light charging of a car battery. Attach it to a cigarettecable
and plug it into the cigarette socket in the dash. Place the unit on the car
dash so it gets the sun.
snipped
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