Tecsun PL-990x Batttery Degradation.

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Уютный интернет
I have an external charger and it reports the capacity available after a discharge and full charge which I only do once every couple of months because Li batteries don&like to be discharged fully. The charger also reports the internal resistance and when new the cell was around 75 milliohms and I noticed it at around 110 so it was clear there was some degradation and after a full charge it reported only 2200 Mah capacity from 2600 new and this is exactly what was written on the battery. Not very impressed but be aware and don&discharge the battery to empty and especially not to the point the radio shuts off. Preferably when the radio is half charged or charge when it reaches the quarter mark. If you have one of these chargers It would be good to know if you can pop the cell into a charger that reports internal resistance and how many Mah it reports the battery has but it needs a full discharge for this which is not a good idea to do frequently. Thankfully the ATS-909 X2 uses AA cells, they&much better for portable radios in my opinion because they need a lot less care.

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