[NSRCA-dist8] Batteries

[Jim Hiller]

Scott, I’m no expert but I don’t think I’d do that, epically if batteries are not purchased together and USED together. If one of the four gets week it will drop voltage faster then the other three and increase amp draw. If one is not paying close attention to the battery condition excessive amp draw will detiourate the other three, requiring replacement of all four. I’ve had this happen with a low voltage shutdown to two 5-S batteries, running the good one as well. To prevent this the ESC low V cut off would need to be set too high.

This is just my opinion.
Jim

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From: Shawn Bekheimer via NSRCA-dist8
Sent: Wednesday, January 26, 2022 6:06 AM
To: stnagler at gmail.com; AK, ID, MT, OR, WA, WY
Subject: Re: [NSRCA-dist8] Batteries

I can’t see why not. There will be minimal loss due to connector count but most likely not noticeable. 
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On Jan 25, 2022, at 11:14 PM, stnagler--- via NSRCA-dist8 <nsrca-dist8 at lists.nsrca.org> wrote:

Maybe a newb question, but could 4-3s batteries work as well to get to 12s?

Scott

On Tue, Jan 25, 2022, 20:57 Patrick Harris via NSRCA-dist8 <nsrca-dist8 at lists.nsrca.org> wrote:

If you haven’t seen it’s, here is the video Andrew did recently comparing 10’s and 12’s 

https://m.youtube.com/watch?fbclid=IwAR1ylyggiK9aZWt0I2eG19TTULyKflWRfKcCg2P510HLmvHZw8bVTwSq6t0&v=0Rz5WdhEJwA&feature=youtu.be
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On Jan 25, 2022, at 7:32 PM, Sean Mersh via NSRCA-dist8 <nsrca-dist8 at lists.nsrca.org> wrote:
 
I have experimented with 12S batteries; I used the TP 4000mAh batteries. Average remaining capacity after one P-23 flight: 38%.
With 10S TP 4400 mAh batteries: Average remaining capacity after one P-23 flight: 32%. It is the same for the newer version that is 48 g lighter, almost 2 ounces 🙂!
Weight:
TP 12S 4000 mAh, 25C ProLiteX: 1062 g
TP 10S 4400 mAh, 25C ProLiteX: 1025 g
New TP 10S 4400 mAh, 25C ProLiteX: 977 g
My conclusion: unless you're flying F-23 and Unknowns, 10S 4400 mAh batteries are more than adequate and save you almost 3 ounces, compared to the 12S 4000 mAh packs. I agree that the 12S batteries will probably last longer, since they are not worked as hard as 10S packs. I could not feel any performance improvement with 12S packs.
As stated by other members: 12S packs are legal now in AMA classes, but not yet in FAI. 
Another consideration: My Mezon ESC does not automatically recognize the pack cell count. So, if I switch from 10S to 12S, I need to reprogram the ESC 😟.
But, 6S (2x) cells are much more readily available than 5S or 10S packs.
Lots of variables!
Sean



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From: NSRCA-dist8 <nsrca-dist8-bounces at lists.nsrca.org> on behalf of Karl Watts via NSRCA-dist8 <nsrca-dist8 at lists.nsrca.org>
Sent: Monday, January 24, 2022 7:25 PM
To: AK, ID, MT, OR, WA, WY <nsrca-dist8 at lists.nsrca.org>
Subject: [NSRCA-dist8] Batteries 
 
Anyone switching to 12s packs?
 
Karl

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