Re: KM4ACK Video on Battery Device
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I've been using one of these nice little?home-brew?charger/power switches: The list of materials is here:?
It can be used with several different kinds of batteries including LiFePo4. I'm using it with SLA batteries as a backup for my Winlink station. I also have solar panels and a controller hooked up to the?batteries to charge if the main power goes out.?
It will charge the batteries as long as you have mains power. Your power supply and battery plug into the unit. If you lose main power it switches to the battery in about 50 ms. The radio doesn't even blink. The LED display will state if the power is coming from mains or battery. It will also show the charge state, amps in, and amps out.?
I've been using this for about six months with no hiccups to date.
Earl
On Wed, May 14, 2025 at 2:43?PM Ken Burnett K9LDO via <ken.bur1944= [email protected]> wrote:
This might be the video you were looking for. If not Jason has a
YouTube channel that has all of his videos. It's under KM4ACK
On 5/14/2025 12:18 PM, Craig Packard
via wrote:
Hello All,
?
This isn't a Pi related question, but
perhaps someone can assist.? I saw a video by KM4ACK, I think it
was in the past few months, where he had a 'gizmo' that he
connected to his battery.? He then both used the battery and
charged the battery as normal.? The device would track the power
in/out of the battery and would be able to tell you at any
point, how much charge the battery had remaining.? It was
supposed to be much better than just a voltage check.? I have a
LifePo4 battery I would like to use a device like that with, and
am hoping someone remembers the device he mentioned?
?
I looked through some old videos and
his online store (and amazon store) and don't see anything.
?
Or... I just dreamed the entire thing
up!? :)
?
?
Thanks for any help!
?
?
- Craig
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Earl, KI4OXD