bwpage3
lvl.1
Flight distance : 2687 ft
United States
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Well, with a Masters Degree in Electrical Engineering and Circuit board design, I can tell you that DJI went all out to make you send your controller in for service when changing the battery is a very simple task.
Unfortunately the battery in my DJI Phantom 3 controller died from non-use. Since I have previously modified my controller, (yes I know it voids the warranty however no concerns there), to add the Argotech extended antenna (3 antennas instead of the one that came with it)
The case comes apart with 4 Philips screws and a butter knife.
There are 2 screws that hold the collar onto the antenna that need to be removed
Then all you have to do is slide the back case down from the antenna and off.
I did find the same cylinder shape battery that DJI uses.
It is interesting to note DJI uses a blue plastic sleeve over the battery which is imprinted with DJI's own part number.
However, if you remove that blue sleeve from the battery, you can see the actual battery part number
Adafruit.com sells the battery for US $9.95 Lithium Ion Cylindrical Battery - 3.7v 2200mAh [ID:1781]
I believe the original DJI battery was 2600mah, so this is as close as I could find
The main issue with the Adafruit replacement battery Lithium Ion Cylindrical Battery - 3.7v 2200mAh [ID:1781] is that is comes with a 2.0mm JST connector which is to large for the DJI circuit board
So you would need to order an exact 1.25mm 2 pin female JST connector, cut the 2.0mm connector off the replacement battery and slice, solder, etc. the new 1.25mm JST connector to the new replacement battery
The battery is held in with 2 tiny Philips screws and is simple to change.
The whole job took me less than 15 minutes (I soldered the wires from the 1.25MM JST to the wires of the new adafruit replacement battery) however you could twist them together and tape them.
You will need a wire stripping tool that can splice 24 to 28 gage wire
Very simple and cost effective job to get your controller back to charging correctly without waiting around for months to have it returned from service
Adafruit sent the batteries in 2 days. |
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