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MY Megacellcharger has shipped yippee
#1
I am happy, hope it won't take long to get here. I am #43

Later floyd
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#2
(09-09-2020, 07:36 PM)floydR Wrote: I am happy, hope it won't take long to get here. I am #43

Later floyd
Nice let us know how it looks when you get it.
I'm #84 so hopefully I won't be far behind.
I got 2 of them coming.

Wolf
For Info Google Drive

Great ABB shunt breaker seller River City Industrial
Great prices and superb service.
 [Image: em2566%20(1)__19172.1521541365.jpg?c=2]

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#3
ok will do
Later floyd
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#4
I'm #462, sniff
I got two of them coming.
Eric
HELIOFRANCE - Manufacturer of Thermal Solar Systems: https://youtu.be/LYjIAeNQI4c
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#5
Just got an email stating both of mine have shipped Yessss!

Hope to see it in October as claimed.

Wolf
For Info Google Drive

Great ABB shunt breaker seller River City Industrial
Great prices and superb service.
 [Image: em2566%20(1)__19172.1521541365.jpg?c=2]

Not your average Wolf       
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#6
hopefully I will see mine before September ends
later floyd
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#7
So my 2 Megacellchargers arrived the other day and I was all excited to test them out.
Here is my experience so far.......
Unfortunately I got a message from Alex that there was a problem with 2 resistors which had been inadvertently installed in the wrong place.
OK so he provided a YouTube video on how to resolve the issue and I was more than willing to give it a shot.
On the first unit albeit quite hair raising I managed to get the flea sized 1.2kΩ resistor in the right places (16) and verified all connections with my fluke.
On the second unit I was not so lucky. On one of them the PCB pad it sits on came off and another I may have overheated the "flea" as the resistance was way off. So on the second unit I have 2 slots not functioning. I believe I can repair them with a TTH resistor as getting 2 "fleas is not cost effective. I have an email to Alex to see what he says.
I followed the instructions on hooking it up to my Wi-Fi and that worked OK got an IP address and we where ready to go. I did not see a way I could give the unit a static IP address but if need be I can do it with my routers DHCP server using its MAC address as I like to assign IP addresses to static devices. Connections seem to be a lot more stable esp. if the software, which the Mega Cell Monitor, requires an IP address to connect. Not sure why the didn't go with UDP for monitoring and TCP or a direct connection for setup and/or change the software settings but hey what do I know.
Update: 09/26/2020 So this morning I tried to use the unit again and it was nowhere to be found in the software. Ha the IP address changed from 192.168.1.8 to 192.168.1.11 so all settings had to be reset. Fist chance i get Static IP.......
So on to downloading the software. I followed the instructions that came with the 1 sheet of paper and went to http://www.megacellmonitor.com/installation.html and followed the procedure. All installed ok and when launching the program you are required to send an email to get the license key. Again why not a 30 day trial license key so that you can use the product right away befuddles me. Nevertheless the key was sent to me by email in a relatively short time. They promise 24 hrs. and they beat it. Kudos!
Now with the unit LAN -Wi-Fi aware, software and license key installed I was ready to get started.
The first thing that was an issue is the hookup wires, What in the good Lords name am I going to do with those and how would you hook up 2 units with them to 1 power supply?

Might as well not send any wires at all and say you are on your own. I would have been less insulted.
So the first order of events was "lets make some proper power cables" which I did. Some AWG 12 silicone wire proper eyelet terminations and a couple of XT90 connector. Now that's better.


Same with the supply to the units

Now the unit can be unplugged and moved easy enough. OK on to plugging everything in. The first thing that hit me like a jet engine was the power supply I'm ok with jet engine noise as long as I'm at high altitude but this was not the case as I now had a jet engine under my desk and the cabin crew was nowhere in sight. That will change in the "very" near future with a proper quality quiet fan replacement. The fan is so badly out of balance I had to put a towel under it to keep the hum to a dull roar and my hearing isn't that good.
All right on to the next step.
Software will take a bit getting used to but I do think it is workable although somewhat confusing. Not sure how to do just a standard C/D/C but I think it is a profile you can set up. Tried to get the sqlite  connection working but it wouldn't let me fill in the info so I gave up for now.
Fumbled around with the software an got a representation of the unit which is fine but it is tiny and it cannot be expanded. 

Graphing and data seem to be good albeit slow to update UDP would have been a better choice. Software did crash and had the (not Responding) on me several times when I was overrunning it with commands as it was not responding in a reasonable matter. I have an 8th gen i5 processer with 16gig of ram and I really don't think I should have to go to an i7.


Now to the most serious issue I have with the unit. The cell holders. Actually it isn't so much the holders as it is the positive contact. If the cell positive has a dimple or is not reasonably flat it is almost impossible to get the unit to read the cell. The springs on the negative side are also incredibly weak. I mean it makes the opus slides feel like Truck coil springs. The positive contact will need to have some kind of modification to contact the center of the cells positive terminal.


Last but not least is the temp sensor on the cell holder bottom attached to the PCB. Due to the combination of poor positive contact and weak spring pressure the cell will rock back and forth on the sensor as if it where a fulcrum. Just the slightest touch of the cell (as in checking for temperature of the cell) will shift it and stop the workflow on that cell. Then it takes quite a while to get the cell recognized and the process starts again. Not sure why the temp sensor could not have been recessed.


So that's my take on the "MegaCellCharger".
I think Alex should have taken up my offer to beta test one of these units. Cool

All in all I think it is a great concept and I think with a little bit of work and refinement this can and will be a super charger/tester/analyzer.
I would give it a couple of hardware and software revisions before purchasing one at this point. Additionally I will be looking to see how the cell holders can be improved for better contact as they are truly dismal at this point. I don't even dare to touch it lest a cell loose contact. Matter of fact the vibration from the power supply has me worried...........


Wolf
For Info Google Drive

Great ABB shunt breaker seller River City Industrial
Great prices and superb service.
 [Image: em2566%20(1)__19172.1521541365.jpg?c=2]

Not your average Wolf       
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#8
Glad you got your MegaCellChargers. Were they sent via USPS?

Later Floyd
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#9
(10 hours ago)floydR Wrote: Glad you got your MegaCellChargers. Were they sent via USPS?

Later Floyd
Yes USPS
Wolf
For Info Google Drive

Great ABB shunt breaker seller River City Industrial
Great prices and superb service.
 [Image: em2566%20(1)__19172.1521541365.jpg?c=2]

Not your average Wolf       
            Cool
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