Today's Message Index:
----------------------
1. 06:55 AM - Connect 12V Power Pack to Airplane (Art Zemon)
2. 08:34 AM - Re: Connect 12V Power Pack to Airplane (Ken Ryan)
3. 11:18 AM - Re: Connect 12V Power Pack to Airplane (user9253)
4. 08:05 PM - Re: Connect 12V Power Pack to Airplane (Art Zemon)
5. 08:18 PM - Re: Connect 12V Power Pack to Airplane (don van santen)
Message 1
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| Subject: | Connect 12V Power Pack to Airplane |
I was at AirVenture this week and spent a lot of time in a chair next to my
airplane. I took a door off of the BD-4C and people stopped to ask
questions. It was great!
I got the idea of lighting up the EFIS screens. I have a Jackery 167
watt/hour portable power pack
<https://www.amazon.com/gp/product/B07FYJVFNK/>. I borrowed a little Black
& Decker 2A battery charger/maintainer
<https://www.amazon.com/BLACK-DECKER-BC2WBD-Waterproof-Maintainer/dp/B00OQ1F7PM/ref=asc_df_B00OQ1F7PM/>.
I hooked it up to the airplane and powered it from the 110V inverted on the
power pack. That was all good and it gave me a few hours of power with the
watt meter on the power supply reading around 30 watts.
Running the 110V inverter used 4 watts and a bunch of the battery
maintainer's energy was being dissipated as heat.
My power supply also has a 12V DC output which measures 13.3V with no load.
Could I have hooked that output to the airplane instead of the battery
maintainer, without damaging the battery?
-- Art Z.
--
https://CheerfulCurmudgeon.com/
*Love the stranger for you yourselves were strangers in Egypt. *Deut. 10:19
Message 2
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| Subject: | Re: Connect 12V Power Pack to Airplane |
Art, I cannot answer your question directly, but on my airplane there are a
couple of easily accessible places to clip on where I can feed the bus
without turning on the master switch, leaving the battery out of the
picture completely. Doing that also eliminates the current draw of the
battery contactor.
On Sun, Jul 28, 2019 at 6:00 AM Art Zemon <art@zemon.name> wrote:
> I was at AirVenture this week and spent a lot of time in a chair next to
> my airplane. I took a door off of the BD-4C and people stopped to ask
> questions. It was great!
>
> I got the idea of lighting up the EFIS screens. I have a Jackery 167
> watt/hour portable power pack
> <https://www.amazon.com/gp/product/B07FYJVFNK/>. I borrowed a little Black
> & Decker 2A battery charger/maintainer
> <https://www.amazon.com/BLACK-DECKER-BC2WBD-Waterproof-Maintainer/dp/B00OQ1F7PM/ref=asc_df_B00OQ1F7PM/>.
> I hooked it up to the airplane and powered it from the 110V inverted on the
> power pack. That was all good and it gave me a few hours of power with the
> watt meter on the power supply reading around 30 watts.
>
> Running the 110V inverter used 4 watts and a bunch of the battery
> maintainer's energy was being dissipated as heat.
>
> My power supply also has a 12V DC output which measures 13.3V with no
> load. Could I have hooked that output to the airplane instead of the
> battery maintainer, without damaging the battery?
>
> -- Art Z.
>
> --
> https://CheerfulCurmudgeon.com/
>
> *Love the stranger for you yourselves were strangers in Egypt. *Deut.
> 10:19
>
Message 3
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| Subject: | Re: Connect 12V Power Pack to Airplane |
The aircraft battery normally gets charged with over 14 volts. So 13.3 volts are
not going to hurt it. The lithium battery will discharge into a lead acid
battery connected in parallel. So it is best not to connect the two batteries
together. Ken's suggestion is a good one. Connect the lithium battery downstream
of the battery contactor, which remains off. According to the Amazon ad,
the lithium power supply can output up to 7 amps at 12 volts. So it should
handle a 2 or 3 amp, 12 VDC load. Your idea to eliminate the inverter and charger
is a good one.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490565#490565
Message 4
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| Subject: | Re: Connect 12V Power Pack to Airplane |
I think that you have hit on the best idea, Ken. I actually have an old
fashioned cigarette lighter plug which I planned to install but never got
around to installing. That will give me exactly the connect that I require
and, coincidentally, my power pack came with exactly the cable that I need.
-- Art Z.
On Sun, Jul 28, 2019 at 10:51 AM Ken Ryan <keninalaska@gmail.com> wrote:
> Art, I cannot answer your question directly, but on my airplane there are
> a couple of easily accessible places to clip on where I can feed the bus
> without turning on the master switch, leaving the battery out of the
> picture completely. Doing that also eliminates the current draw of the
> battery contactor.
>
> On Sun, Jul 28, 2019 at 6:00 AM Art Zemon <art@zemon.name> wrote:
>
>> I was at AirVenture this week and spent a lot of time in a chair next to
>> my airplane. I took a door off of the BD-4C and people stopped to ask
>> questions. It was great!
>>
>> I got the idea of lighting up the EFIS screens. I have a Jackery 167
>> watt/hour portable power pack
>> <https://www.amazon.com/gp/product/B07FYJVFNK/>. I borrowed a little Black
>> & Decker 2A battery charger/maintainer
>> <https://www.amazon.com/BLACK-DECKER-BC2WBD-Waterproof-Maintainer/dp/B00OQ1F7PM/ref=asc_df_B00OQ1F7PM/>.
>> I hooked it up to the airplane and powered it from the 110V inverted on the
>> power pack. That was all good and it gave me a few hours of power with the
>> watt meter on the power supply reading around 30 watts.
>>
>> Running the 110V inverter used 4 watts and a bunch of the battery
>> maintainer's energy was being dissipated as heat.
>>
>> My power supply also has a 12V DC output which measures 13.3V with no
>> load. Could I have hooked that output to the airplane instead of the
>> battery maintainer, without damaging the battery?
>>
>
--
https://CheerfulCurmudgeon.com/
*Love the stranger for you yourselves were strangers in Egypt. *Deut. 10:19
Message 5
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| Subject: | Re: Connect 12V Power Pack to Airplane |
Art, you may want to use a "Powerlett" receptacle and plug. Cigarette
lightets are not good at any where above about 3 amps for continuos usage.
Burned a few on my RV7. Have han no issues with the Powerlet stuff.
On Sun, Jul 28, 2019, 20:10 Art Zemon <art@zemon.name> wrote:
> I think that you have hit on the best idea, Ken. I actually have an old
> fashioned cigarette lighter plug which I planned to install but never got
> around to installing. That will give me exactly the connect that I require
> and, coincidentally, my power pack came with exactly the cable that I need.
>
> -- Art Z.
>
> On Sun, Jul 28, 2019 at 10:51 AM Ken Ryan <keninalaska@gmail.com> wrote:
>
>> Art, I cannot answer your question directly, but on my airplane there are
>> a couple of easily accessible places to clip on where I can feed the bus
>> without turning on the master switch, leaving the battery out of the
>> picture completely. Doing that also eliminates the current draw of the
>> battery contactor.
>>
>> On Sun, Jul 28, 2019 at 6:00 AM Art Zemon <art@zemon.name> wrote:
>>
>>> I was at AirVenture this week and spent a lot of time in a chair next to
>>> my airplane. I took a door off of the BD-4C and people stopped to ask
>>> questions. It was great!
>>>
>>> I got the idea of lighting up the EFIS screens. I have a Jackery 167
>>> watt/hour portable power pack
>>> <https://www.amazon.com/gp/product/B07FYJVFNK/>. I borrowed a little Black
>>> & Decker 2A battery charger/maintainer
>>> <https://www.amazon.com/BLACK-DECKER-BC2WBD-Waterproof-Maintainer/dp/B00OQ1F7PM/ref=asc_df_B00OQ1F7PM/>.
>>> I hooked it up to the airplane and powered it from the 110V inverted on the
>>> power pack. That was all good and it gave me a few hours of power with the
>>> watt meter on the power supply reading around 30 watts.
>>>
>>> Running the 110V inverter used 4 watts and a bunch of the battery
>>> maintainer's energy was being dissipated as heat.
>>>
>>> My power supply also has a 12V DC output which measures 13.3V with no
>>> load. Could I have hooked that output to the airplane instead of the
>>> battery maintainer, without damaging the battery?
>>>
>>
>
> --
> https://CheerfulCurmudgeon.com/
>
> *Love the stranger for you yourselves were strangers in Egypt. *Deut.
> 10:19
>
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