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Mini 3 Pro battery in Mini 4 Pro

mobilehomer

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Just be aware if you are thinking of using the Mini 3 Pro battery in the Mini 4 Pro, it is heavier and has less capacity than the Mini 4 Pro battery. Screenshot 2023-09-25 1.36.30 PM.pngScreenshot 2023-09-26 7.53.41 AM.png
 

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Thanks for the info!
 
 
You would like gain 2 minutes. If you have access to the battery plus, why not use that instead.
I didn't know how small of gain I would get. Was hoping for more, thanks for the feedback.
Can a Mini 4 Pro battery be used in a Mini Pro 3? Sounds like an easy increase in flight time if it is possible.
You would like gain 2 minutes. If you have access to the battery plus, why not use that instead.
I didn't realize how small of gain it would be. Thanks for that feedback, solidhouse. I'll check into the battery plus option instead. I'd welcome any feedback on how much gain the battery plus provides over the standard Mini 3 Pro battery.
 
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I wanted to test the compatibility of all my Mini 3 Pro & Mini 4 Pro batteries. Found some interesting info. Some of it has been mentioned here. Some of it is incorrect (what the linked videos say). There are apparently three different batteries that fit the 3 Pro & 4 Pro. I've got the following batteries:

1x - "UltraLight" (80g) 2453mAh 18.1Wh 7.38v - Works in both Mini 3 Pro & Mini 4 Pro
2x - "UltraLight" (77g) 2590mAh 18.96Wh 7.32v - ONLY works in my Mini 4 Pro
3x - "Plus" (120g) 3850mAh 28.41Wh 7.38v - Works in both Mini 3 Pro & Mini 4 Pro

The disconcerting part is, when I put either of the 2x batteries in my Mini 3 Pro, I get the follow message on the RC screen:
Screenshot_20231023-073106.png So beware. I went out to fly yesterday, assuming that the 2x batteries would work (I just charged them), and turns out I could not fly because I only had my Mini 3 Pro with me. They apparently are not compatible with the Mini 3 Pro. I tested all six of my batteries and labeled them all so I know which ones don't work in the Mini 3 Pro.

I do some capacity tests in the future.
 
I can't comment on the flight time difference between the mini 3 pro and the mini 4 pro as my mini 3 is not the Pro.
Yes the batteries are interchangeable between the mini 3 and 4.
My mini 3 is lighter than both the mini 3 pro and mini 4 pro and averages about 8 minutes longer flight time than my mini 4 pro with any battery.
I have 3 batteries, a mini 4 standard, a mini 3 standard, and a mini 3 plus.
The mini 4 pro weighs 249g with the standard battery it came with and 251g with the mini 3 standard battery.
My mini 3 is under 250 grams with either standard battery and obvs both aircraft are over 250g with the plus battery.
Both of my mini's are registered so to be legal with any battery.
 
I wanted to test the compatibility of all my Mini 3 Pro & Mini 4 Pro batteries. Found some interesting info. Some of it has been mentioned here. Some of it is incorrect (what the linked videos say). There are apparently three different batteries that fit the 3 Pro & 4 Pro. I've got the following batteries:

1x - "UltraLight" (80g) 2453mAh 18.1Wh 7.38v - Works in both Mini 3 Pro & Mini 4 Pro
2x - "UltraLight" (77g) 2590mAh 18.96Wh 7.32v - ONLY works in my Mini 4 Pro
3x - "Plus" (120g) 3850mAh 28.41Wh 7.38v - Works in both Mini 3 Pro & Mini 4 Pro

The disconcerting part is, when I put either of the 2x batteries in my Mini 3 Pro, I get the follow message on the RC screen:
View attachment 169442 So beware. I went out to fly yesterday, assuming that the 2x batteries would work (I just charged them), and turns out I could not fly because I only had my Mini 3 Pro with me. They apparently are not compatible with the Mini 3 Pro. I tested all six of my batteries and labeled them all so I know which ones don't work in the Mini 3 Pro.

I do some capacity tests in the future.
i would say its because the 77g battery is model specific to the Mini 4 pro, to keep it under the 250 g weight restiction, and the drones firmware can detect that fact ,if you notice in the battery specs, the voltage is slightly lower that the other batteries
 
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