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Mavic2 Battery Mods

beanbubba

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Just before the Mavic2 came out I bought a set of those horribly expensive thunder power 3S batteries. Anyone have experience making 4S variants from these? Any "gotchas" I should consider before surgery?
 
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h1s0k4

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Poor you ,
I think you can just change them to someone need
 

beanbubba

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Getting ready to do the battery mod and here is the first look inside the M2. I will post more pictures as this progresses.

Lolo is going to love where they put the fan this time.

dronemods-2018-504.png dronemods-2018-503.png dronemods-2018-502.png dronemods-2018-501.png
 

h1s0k4

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Why don't you check the +/- junctions with the battery turn on ?
 

beanbubba

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@lolo780 @CyberNate @chazz @SkyNinja , See attached for the batteries that Lolo highly recommended.

I also bought the charger that cybernate recommended for over packing the LiHv's. I bought 4 batteries and 2 of them error out during the charge cycle.

Just curious if this looks familiar to anyone??

dronemods-2018-543.png dronemods-2018-542.png dronemods-2018-541.png dronemods-2018-540.png
 
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CyberNate

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@lolo780 @CyberNate @chazz @SkyNinja , See attached for the batteries that Lolo highly recommended.

I also bought the charger that cybernate recommended for over packing the LiHv's. I bought 4 batteries and 2 of them error out during the charge cycle.

Just curious if this looks familiar to anyone??

View attachment 45619 View attachment 45620 View attachment 45621 View attachment 45622
I had a lot of problems with those batteries. I bought 2 and both had bad cells.
 
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CyberNate

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Man those are super expensive mistakes...
Yeah, and they never responded to my support case I opened. If you check voltages probably there 1 or more cells that are very low. The charger may have timed out trying to balance them. You can try again.
 
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CyberNate

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Yeah, and they never responded to my support case I opened. If you check voltages probably there 1 or more cells that are very low. The charger may have timed out trying to balance them. You can try again.
Took my charger 8 hours plus to balance because batteries arrived completely out of balance.
 

beanbubba

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Took my charger 8 hours plus to balance because batteries arrived completely out of balance.
I have tried restarting the charge several times and it errors within a minute. Is there some timer setting in the charger to modify to allow what you mention?
 
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CyberNate

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I have tried restarting the charge several times and it errors within a minute. Is there some timer setting in the charger to modify to allow what you mention?
Make sure you are using balance charge, not standard charge.
 
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