ORIGINAL: Silent-AV8R
Try Mark at Dinogy. I'm using some of his 25C 4400 packs and they are great.
No IR info beyond what my charger shows me, which is only total pack IR. 5S packs are running about 3 milliohms per cell right now. The IR does not seem to matter on these cells as much as it does on some others. I can still fly the full Advanced sequence once and then play around for a couple of minutes and still having the punch to pull vertical and roll going up for as far as I can control it.
Weight wise my 4,400 mAh 10S set up (2x5S) with APP plugs on both packs, Velcro and Strapping tape tip the scales at 1,052 grams. I have about 20 cycles through the sets I have and so far I have not detected any issues or reduction in performance. They cost more than the low cost packs but perform more like an expensive pack.
1052 grams is super. 3 mohm per cell is promising considering that you're measuring total pack IR. From what data I've seen the resistance of leads and interconnections is about 50% of the cell IR. So cell IR could actually be in the 2 mohm range.
Thanks