YTX20L-BS Replacement Battery for Deka ETX16L, ETX20L Battery 44.8 out of 5 Stars. 4 reviews 12V Battery Upgrade for East Penn Deka 10U1L Vmaxtanks V35-857 Maintenance Free Add $11494current price $114.9412V Battery Upgrade for East Penn Deka 10U1L Vmaxtanks V35-857 Maintenance Free...