hubsan transmitter battery mod advice

Discussion in 'RTF Modification & Repair' started by Mark Parnell, Jun 24, 2018.

  1. Mark Parnell

    Mark Parnell moss99

    Hi all , i recently did a lipo battery conversion on my H107D+ transmitter , i also installed a buck converter and set it to 6 v (same as 4 x AA's) it was all working well .
    I have just tried to turn it on after a week or so of no use but the lipo is dead flat .. have i missed something , or does the battery need disconnecting after every use ?
    battery i used is Giant power 450 mah 3s
  2. Jackson

    Jackson USA member at large

    As long as you have the converter hooked up to the battery it is using some juice.

    Look on the PCB for the voltage, here's a Hubsan TX (yours might be the same.)

    Hub 4-13.GIF

    I'd opt for 2S LiPo with no converter.
  3. Mark Parnell

    Mark Parnell moss99

    Ahh yes , I see there’s an led on the buck covertor on , , the board does say 4-13 volts , I thought i thought the battery would last longer and be less heat using the buck ..
    Could I just wire the main switch before the converter ?
  4. mozquito1

    mozquito1 Well-Known Member

    I got a buck converter but no led on it.
    Just mod a female socket onto it so can be unplugged. Xt30 are solid units. Just as much space as servo pins in the end.
    So thing to hot glue around.

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