URUAV Lipo Killer UR4 3V-4V/0V Battery Discharger


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A convenient battery discharger for 1-6S Lipo Battery.  It can be used to discharge batteries to storage level when you don't have your charger with you (or if your charger doesn't have that capability) as well as fully discharging batteries for disposal.  Each cell gets an independently controlled discharge circuit.


  • Battery Type: Compatible with Lipo Battery & LIFE Battery
  • Discharge Range: 0/ 3/ 3.2/ 3.4/ 3.6/ 3.8/ 4V
  • Discharge Current: 4.0V-30.V 100mA
  • Connector:
    • 4.0V-3.0V Discharge Connector (storage mode): plug the balance lead
    • 0V Discharge Connector: Plug the XT60 Connector
  • Dimension: 65x33x10mm
  • Weight: 18.8g

How to use it:

  • 0V Discharger (fully drain battery)
    • Plug the XT60 Connector of your battery into the XT60 connector on the board (yellow connector)
    • The 0V LED will be flashing untill the discharge is complete
    • When the battery is completely discharged the LED will turn off.
  • 4.0V-3.0V Discharger (storage level)
    • Plug the balance lead connector of your battery to the connector on the board
      Note: The black wire from the balance lead connector is ground " G" which needs to match on the board
      DO NOT plug in opposite side.
    • Press the "SET" button to set the voltage you want to discharge. (3/ 3.2/ 3.4/ 3.6/ 3.8/ 4V)
      Note: The voltage you set must be lower than your battery's current voltage
    • When done discharging the LED will turn off


  • 1x URUAV UR4 Lipo Killer Battery Discharger

Tags: Power, Xt60

Product Details

Product TypeBattery Discharger
Shipping Weight30 grams

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