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Hypothesising a battery mod for Tello (TELL ME IF ITS POSSIBLE!!!)

dedexo

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So I've been thinking about increasing the flight time. And I came across these batteries.
Screenshot_20210718-135913.jpg 2100mah-lyf-mobile-battery-500x500.jpg
As they are having the same Voltage output, and huge power reserves(&very light in weight), will I be able to get better flight time by replacing the default Battery? Is it okay to replace these with the original Tello Battery in the first place? Help me out, guys...
 
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quaddamage

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As they are having the same Voltage output
All li-ion batteries have roughly the same voltage. DJI uses batteries with with polymer electrolyte, as it weight less than lithium salt electrolyte.


will I be able to get better flight time by replacing the default Battery?
That mostly depends on your skills. Though note that 2x capacity increase means up to 1.6 times flight time increase.

Is it okay to replace these with the original Tello Battery in the first place?
Here are the photos or the original board:
O-Gs wiki: WM004 Battery Board

There is clearly some kind of control circuit, with transistors able to cut off power.
So the question is - are these four leads to battery only ++--, or are there communication lines.
If there are communication lines, they're most likely I2C. And you'd have to figure out the communication.
 

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