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CellLog 8 Discontinued?
#1
Sad 
I just went to Progressive RC and noticed the Celllog 8 is discontinued.

I really did like that little unit, Im glad I got at least one, but I really wanted the logging capability which is why I went there today to buy one.

I see this as a replacement...
https://www.progressiverc.com/isdt-bg-8s...ecker.html

Does anyone know anything about it?

I know the Cell Log 8 has a little discharge problems / balance issues because it didn't draw power eventually across all the cells, but asides from that it was near perfect.

I really liked the Alarm output to shut off the load when doing discharge testing.
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#2
This is also a balancer. Albeit not lots of current but it's an idea for those small packs.
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#3
I did notice that, pretty cool... for small projects, this seems like it going to gain popularity, but what I need is logging capability.

I am kicking myself for not buying a few Cell Logs with logging... That was my primary need for a new unit.
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#4
Check Ebay might be some on there
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#5
(08-27-2018, 11:55 PM)jdeadman Wrote: Check Ebay might be some on there

You may try that, but be warned. 

I tried buying 2 CellLog8 S (the logging kind), but from 2 sellers I was shipped the logless type and had to pay for returning the useless loggers. 
A third seller also claiming to sell the logger discovered that he had the non-logging kind, and was able to cancel the deal before shipping out.

I did not get any.

An Australian company claims to have the CellLog8S in stock, but will not ship outside Australia.

So Your time may be better spent searching elsewhere.

ChrisD

(08-27-2018, 11:10 PM)Crimp Daddy Wrote: I see this as a replacement...
https://www.progressiverc.com/isdt-bg-8s...ecker.html

Does anyone know anything about it?
This unit has no logging function, but do balancing with a limited current.
ChrisD
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#6
I checked eBay... there was nothing to be had, at least nothing that looked like a reliable seller.

What a bummer... but that's what I get for dragging my feet for months.

I do know of a more expensive solution... you can use the iCharger in monitor mode with a USB cable to output data to logging software. But its hardly convenient when trying to motor a larger battery bank as you will generally need more than one Cell Log or iCharger to take care of all the cells.

The iCharger also needs an external power supply.

I am really hoping the Cell Log people make a new unit, one where leaving it connected for extended periods of time would be OK without creating a balance issue. The ISDT unit looks pretty nice, but if they could add logging to that unit would be turn out to be a better replacement.
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#7
The BVM-8S looks similar? But no USB...
https://ebay.to/2Nu9dOO
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#8
I already knew what the results were going to be, but I wanted to test it myself just for fun.  Confirmed the Cell Log 8 does in fact only draw power from the first 6 cells, which unfortunately puts cell 7 and or 8 out of balance over time.

Even with its faults I still wish I was able to buy a couple more, especially the model that has internal storage for logging and recording data;  That was an awesome and unique feature.

I have ordered the ISDT BG-8S Battery Checker and will do a full review write up as time permits… Unfortunately it doesn’t log, but it does balance, so I am sure that I would be running into any of the same long term use issues of the Cell Log 8.  Trade-off…

Here are some photos from an overnight test.

   

End Test - Ran Overnight
mV delta increased
Cell Voltages 1-6 dropped

   
   
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#9
There was a fix for that issue I just cannot find it right now. once I'll do I'll post the thread. I think it was over in Endless sphere


Oh Found it

https://endless-sphere.com/forums/viewtopic.php?t=20142
Crimp Daddy, DCkiwi, BlueSwordM And 1 others like this post
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#10
This literally just arrived... Bought the ISDT BG-8S Battery Checker, and a "little" something extra.

It's going to be a GOOD weekend!  Can't wait to tear into this box and heat up some cables.



   
BlueSwordM, jdeadman, hbpowerwall like this post
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