Mavic 2 Car Charging

nfarruggio · Mar 16, 2019

Could anyone recommend a car power inverter to charge mavic 2 zoom batteries using the DJI charging hub?

Thanks!

WithTheBirds · Mar 16, 2019

The DJI OEM car charger does the trick nicely.

If you don’t have a need to power other mains voltage devices a dedicated inverter can’t compete.

Thomas B · Mar 17, 2019

You can also use the car charger with the 4 battery charger hub specifically for M2s. Charges in sequence, but that frees you up. I love mine! Be sure it’s genuine DJI, there are some knock-offs. May be able to get it cheaper than DJI Store, but here’s the link to see it and read the specs. The page is titled 2 battery charge... but read the specs. I have, it does 4.
Mavic 2 Battery Charging Hub - DJI Mobile Online Store (United States)

DanMan32 · Mar 17, 2019

The car charger provides more power to the battery than the AC charger, believe it or not, which means the batteries charge faster. Only hitch: car charger cuts out at about 11.3v. Considering it draws over 6A, the car's wiring will have significant enough voltage drop that the car battery doesn't need to be that low for the charger to cut out. That means you likely will need to have the car running to use the charger. If you have a Prius though, that won't matter much.

If you were to use a parallel AC charger, you'll need a hefty inverter. Remember the 6A I mentioned just for one battery?

MAvic_South_Oz · Mar 17, 2019

I had to get a stepup regulator to boost voltage to 13.8v, and amps required.
This is for my MP, and works great with 4 battery charging hub.

NEW Voltage Booster Power DC Converter Step Up Regulator 12V to 13.8V 20A 276W | eBay

Without the boost the DJI 12v charger would only work spasmodically, where as with the unit in place it is much faster than using mains charger.

nfarruggio · Mar 17, 2019

Thank you all for your replies! Does the oem dji car charger have the capability to charge the remote simultaneously. I guess that's originally why I was asking if anyone had experience using an inverter because I would want the capability of charging the batteries and the RC and wasn't sure if the oem dji car charger had that capability

Thomas B · Mar 17, 2019

The OEM car charger won’t charge the controller, but the battery in my controller is good for about 6-8 “battery lives”.

msinger · Mar 17, 2019

nfarruggio said:
Does the oem dji car charger have the capability to charge the remote simultaneously

No, but both of these 3rd party chargers can charge both simultaneously:

yankfanp · Mar 17, 2019

nfarruggio said:
Could anyone recommend a car power inverter to charge mavic 2 zoom batteries using the DJI charging hub?

Thanks!

I purchased this one and it works great! It allows me charge everthing I need for a day long road trip with M2P. Inexpensive and sits in your cup holder!
https://www.amazon.com/BESTEK-Inver...gateway&sprefix=power+inverter,aps,151&sr=8-9

lolo780 · Mar 17, 2019

Hardwire a power inverter and use any of the popular multi AC chargers. The DJI car charger sucks as already mentioned. My YX works but does not charge the batteries fully compared to the 5 in 1.

Any power socket inverter is worthless, you must wire directly to your vehicle battery.

SkySight · Mar 17, 2019

I use this somewhat older Anton Bauer invertor in conjunction with the FS Labs (SunnyLife 6-1 Mavic 2 charger) and it works perfectly as I travel from one job
to the next. See the attached. I used the invertor when charging camera batteries in my past.

lolo780 · Mar 17, 2019

SkySight said:
I use this somewhat older Anton Bauer invertor in conjunction with the FS Labs (SunnyLife 6-1 Mavic 2 charger) and it works perfectly as I travel from one job
to the next. See the attached. I used the invertor when charging camera batteries in my past.

Can you charge 3-4 M2 batteries from that inverter?

SkySight · Mar 17, 2019

lolo780 said:
Can you charge 3-4 M2 batteries from that inverter?

Yes. I routinely do so. 3-4 batteries, RC and iPad.

WithTheBirds · Mar 18, 2019

SkySight said:
Yes. I routinely do so. 3-4 batteries, RC and iPad.

Your really pushing your luck here (assuming the inverter is connected to the cigarette lighter socket). If we are generous and allow for 90% efficiency for both the inverter and charger four batteries on charge will require well in excess of 20A on the input if the inverter. This exceeds the design rating of the socket and is higher than what most vehicles are wired for.

DanMan32 · Mar 21, 2019

He did say to have the inverter hardwired to the car battery.

Depending on the reserve capacity of the car battery, you could run it down if you don't have the car running.

WithTheBirds · Mar 22, 2019

DanMan32 said:
He did say to have the inverter hardwired to the car battery.

Depending on the reserve capacity of the car battery, you could run it down if you don't have the car running.

Not that I saw....

It’s import to note that the reserve capacity (“RC”) as ordinary used to inform the likely ability of a car starting battery to power accessories is greatly different to an amp hour rating. You can roughly get to Ah by diving RC by 2.4. Also important is that the allowable resting terminal voltage applied to calculating RC is 10.5V. A lead acid battery probably won’t deliver the current to start the engine at 10.5V. RC is purely to give an indication of how long you might continue to drive with a failure if the charging system.

Car starting batteries are amongst the worst candidates for the running inverters. They don’t even like being discharged below 50% DOD.

Canuk · Mar 22, 2019

This little unit will keep a car charger working without the car having to run

WithTheBirds · Mar 22, 2019

Great.... Good advice would be to make sure your parked facing down an incline so you have a chance of clutch starting when the battery won’t crank the engine over.

The input LVC built into a lot of inverters and many accessories fir automotive use if primarily intended to avoid depleting the starting battery to the point the vehicle won’t start.

Yes- this device would almost certainly defeat that protection.

Canuk · Mar 22, 2019

This is my SxS and I charged 7 batteries in a row for my mavic and when I started the SxS it didn’t even crank slow . It would take a lot of these little batteries to kill a full size .

Lon Denard · Mar 22, 2019

I'm still trying to figure out why your cars can't use the DJI battery charger without running, mine works fine. I've only used it twice though, I have 5 batteries.