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Kerteszradio 27/07/2017
A past selling the 4 led version. Inside of this two serial Li-po cells provided the output voltage - of course some below 9V. Now, the 3 led version contains only one cell with boost converter. Below more detailed this. The upconverter provide continuous 9V - independent the internal battery voltage. This good news-bad news situation, because the internal step-up converter superpones some noise the output voltage. The another thing : the converter has a quiescent current : is approx 60uA (0.06mA).See the photos. That this means to the fully charged battery is storage, after 3 month the available capacity approx drop 50%. The internal battery is a 3.7V 800mAh. This real capacity, but remember : this is meaning to 3.7V! But many capacity in the output 9v ? Well connect the EV-650 pack charger/discharger (similar to Imax B6) and run to discharge test /see photos. Well in the drawn capacity of 9V is 289 mAh. Remember : the 800mAh real, but means to the internal battery voltage.
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Komentarze (4)
Zatwierdź
  • basiliocat What marking of the element in the upper right corner on the 4th photo? My is burned out and battery is puffed. Thx!

    Odpowiadać 17/08/2017
  • DirtyMagnolia Great comment exposing the marketed capacity crap.

    Odpowiadać 19/09/2017
  • aprotopa Firstof all the 9 volts 800 mAh is misleading. It should have been rated as 3.7 volts 800 mAh. I don't see why you are giving 5 starts for something that is so misleading.

    Odpowiadać 30/03/2019
  • serges thanks for the value info

    Odpowiadać 13/02/2021
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