Tamblot
 lvl.1
Thailand
Offline
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Acquired my DJI Air 3 Fly More Combo RC-N2 few days ago and one of the first aspect I looked into is how much capacity should my charger have to be able to charge all (Air 3, RC-N2, Phone, Charging Hub) at the same time. Did a quick test and sharing the result here to serve as reference for others.
CHARGER - My existing charger is a 140W brick with three USB C and 2 USB A. Been using this to charge my laptop, mobile devices, powerbanks, etc. Normally, I use USB C1 if I need 65W to 100W of PD charging with the rest of the Type C ports for lower power requirements.
AIR 3 - when powered OFF and battery installed, the drone draws around 64W to 65W of power. Refer to the USB cable reading (bottom display) as the LCD of the charger keeps refreshing.
Curious of how much additional power Air 3 will draw when powered ON...charging stopped. Probably some safety feature to disconnect external power source when Air 3 is ON.
RC-N2 - With the controller powered ON and charging the phone, it draws around 10W to 12W of power.
CHARGING HUB - tested this with 3 batteries installed. Max out my charger port with 100W.
Here are the readings when all three USB C ports are charging. Total charger output at 118W. C1 connected to charging hub at 66W, C2 connected to Air 3 at 44W, C3 connected to RC-N2 at 11W. Difference in total is due to the charger display refreshes faster than the USB cable display.
With the charger spec above, the following configuration should be able to support the charge requirements of Air 3 Fly More Combo.- USB C1: 100W for Charging Hub - in my case it's capable of delivering 65W with other ports being used and up to 100W when used alone
- USB C2: 65W for Air 3 - delivers 45W when used together with the charging hub and up to 100W when used alone
- USB C3: 30W for RC-N2 Controller - delivers 30W when used together with C1 and C2 and up to 100W when used alone
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