8 x 1.5v is 12v anyway, but with NiMh cells the nominal voltage is 1.2v so you are unlikely to get 12v.
I use NiMh cells in my son's tx and it usually reports about 10 -11v .
As it is designed to run from AA cells it should happily handle 12v however a 3s lipo will be 12.6v fully charged, 4.2v per cell. Most electronics can deal with a range of supply voltages.
What is your reason for wanting lipo? For me, it was not having to worry about recharging between meetings because standard NiMh loose too much charge over time. Newer hybrids (eneloop, good to go, pre charged) got over that. They can go months between charges so I haven't bothered with lipo.
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Team C TC02c - My son breaks it, I fix it.
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