Sold deka for years.
Parts master is what i sell now, made by east penn. great service and now no pro-rata. Straight exchange until last day of warranty.
Canadian tire and wally world batteries seem to off-gas,top of batteries are always wet. Hard on battery trays.
Yep, East Penn isn't far from here. I have bought plenty of batteries from them. Including forklift batteries for a couple $K each... They make batteries for various names, but DEKA is their brand.