Thread: New Product ESR / IR Meter fo Lipos
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Old Jan 28, 2013, 02:49 PM
PKNEC is offline
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United Kingdom, England, Leyland
Joined Dec 2011
14 Posts
Meter arrived today and what a difference temperature makes in measurement.
I had one lipo in the house and room temp was about 17 deg c and the other batts where in the garage so they where about 10 deg c.
Initial readings where high with not one pack below 33 mili ohms and most above 48.
Then after leaving them for a few hours with the central heating on I did the readings again and only one pack was above 30 and the rest between 25 and 30.
Individual cell readings showed there to be a 3 to 3.5 milli ohm loss due to wiring and connector.
Many thanks to Wayne for his advice especially on the temperature issue
When I can stand 22 deg I will have another go to see if there's any further reduction.
The batts are 2200 mah 25c 3s overlander.
They are approx 20 months old with many cycles.
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Last edited by PKNEC; Jan 28, 2013 at 03:00 PM.
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