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E-flite LiPo Chargers - JST plug mod

1/10/2009

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1S 3.7V LiPo Charger, 0.3A (this charger came with my mCX)
The only real downside that I can find to the Blade mCX is the included charger. It is powered by four AA batteries which are used to charge the 110mAh flight battery.  I have made the following modifications to allow the charger to be used as an adapter in conjunction with another LiPo capable charger.
  • First, the charger must be opened up to access the interior.  This can be accomplished by peeling off the 4 rubber feet on the bottom of the unit.
  • Take out the 4 screws that hold the top and bottom pieces of the charger together.
  • Cut a small rectangular hole in the side of the charger as shown to accommodate the female end of a JST plug.
  • Fit the JST plug into place and secure with epoxy as shown in the photos.
  • Solder the leads from the JST plug to the same terminals of the PCB for the flight battery receptacle.
  • Reassemble the charger.
CAUTION
When using the charger as an adapter with another charger, remove the AA batteries first.  I have not tested to see if this causes a problem or not, so it is just a precaution until verified.
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    Dan Blanchard

    This is my collection of tips, tricks, and projects that I have made over the years while enjoying my various hobbies.

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