A Journal of Power Sources model finds powerline communication stays reliable in 200 and 400 cell series packs at 20 dB SNR but degrades at 1200 cells.
Powerline Communication Tested for Battery Packs to 1200S1P
A Journal of Power Sources model finds powerline communication stays reliable in 200 and 400 cell series packs at 20 dB SNR but degrades at 1200 cells.