Phantom Angel’s COMBO ANGEL battery storage and discharger for Inspire 2 and Mavic battery.

Disclosure : I am not associated or affiliated with http://phantomangel.rocks

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Until now, there were only two ways to store your DJI battery, one is to use DJI’s App and set the date for self discharge to storage level. As we all know, this method is variable at best and the minimum time frame is 1 day. The alternative is to stop charging when the battery’s third LED starts to flash – this method works well but it means you will have to physically watch the battery during the charging process. There must be a better solution than these.

Enter http://phantomangel.rocks

The latest in the phantom angel line of discharges is capable of maintaining both the Inspire 2 and Mavic batteries. This clever device allows you to reach storage level for your DJI battery on demand and it will also calibrate your battery to 3.3V at a much faster rate if you don’t want to fly your battery to 3.3V.

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Phantom Angel battery storage and discharger consists of an ICB connected to a heat sink fin and a 150W 24V globe. This model incorporates a 24V fan and the 150W halogen bulb as a resistor to apply a load on your battery. The potential chemical energy inside your battery is simply converted to heat and light. A dual circuit enable the Mavic’s battery to be discharged and Storage mode as well. The simple use of the XT-40 connector allows rapid switching between the i2 connector and Mavic connector.

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Using the Unit is very simple and straight forward.

Simply

Select the battery type : i2 or Mavic battery toggle switch.
Connect the appropriate i2 or Mavic terminal plug to the unit.
Select discharge mode via the toggle switch : then simply select storage or cycle ( calibration ).
Plug the Phantom Angel into your battery.
Turn on your battery.
Press the red button and BINGO. You are done.

For a fully charged i2 battery, it will take 17 minutes to reach storage level at 60% with voltage readout of 23.4V

To go from storage level of 60% to calibration level of 3.3V per cell requires a further 24 minutes.

Just a a few things to remember – this will get very hot and do not touch the globe before during or after the discharges as the oil from your fingers will weaken the halogen globe and can cause it to explode.
The battery will not turn itself off at 60% level, you will physically have to press the off button on the battery to turn it off.
Remember to recharge your battery after calibration mode as if you forget and leave it for a few days – you will need to use Lynh Phan’s trick to revive your battery.
The fan is very noisy so avoid using it when your wife and kids are sleeping.

I have suggested to the inventor to incorporate an ICB to allow the user to plug in his/her charger to be able to bring the battery to storage level rather than having to fully charge then discharge. This will be better for the environment in the long term as less wasted energy conversion.

If you are looking for a functional discharger at a budget price, http://phantomangel.rocks will meet all your requirements.

Enjoy and safe discharging.

Lynh Phan.

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