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Uni-T UT181A pictures
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joeqsmith:
After seeing the mod, I was thinking more along the lines of the rest of the mess that goes with it shorting out.   Assuming your two diode are in series with each battery you are cutting into the run time. 

I don't understand why ruin the meter just to gain 20 hours?  I never understood that other person as well who really made a mess of theirs.  Theirs should have won a special award.    :-DD   

If the goal was to increase the run time, why not forget the charging, pull the internal pack and go with something much larger?   Get it into the several hundred hours?   
The Soulman:
How about isolation between com post and external charger connection?!?  :palm:
joeqsmith:
Are you thinking they are charging the battery and using the meter with the charger running off the mains?   Scary stuff.... 
The Soulman:

--- Quote from: joeqsmith on November 15, 2020, 07:19:45 pm ---Are you thinking they are charging the battery and using the meter with the charger running off the mains?   Scary stuff....

--- End quote ---

Or probing a mains socket with the meter in your sweaty hands..
bartwas78:

--- Quote from: joeqsmith on November 15, 2020, 06:58:19 pm ---After seeing the mod, I was thinking more along the lines of the rest of the mess that goes with it shorting out.   Assuming your two diode are in series with each battery you are cutting into the run time. 

I don't understand why ruin the meter just to gain 20 hours?  I never understood that other person as well who really made a mess of theirs.  Theirs should have won a special award.    :-DD   

If the goal was to increase the run time, why not forget the charging, pull the internal pack and go with something much larger?   Get it into the several hundred hours?

--- End quote ---

Diodes will only separate battery from connection terminals, in the path between meter and battery is direct connection as before so no run time loss.

I am gaining only 20hrs on one runtime and if i need to use it for longer i can always charge while logging and extend the time. Of course I will have to watch not to short the circuits. If i will be charging from another battery pack, then there is no risk.

Meter still looks decent and addition in my case will be only two terminals and two diodes. Simple and beautiful and it will be working.

So far not seen better solution to the short runtime problem
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