UB121100 is sealed lead-acid, 12V nominal voltage. 110 AH capacity at 20 Hr. Plate material made of Pb-Ca-Sn and Pb oxide. Construction: Positive plate, negative plate. Battery case: ABS, AGM separator, H2SO4 and valve. Run time at 25A = 4hr, 16min. Discharge rate at 4hr = 22A.
UB8G8D is sealed gel, 12V nominal voltage. 225 AH capacity at 20 Hr. One year warranty.
Universal Sealed Batteries 
UB121100 is sealed lead-acid, 12V nominal voltage. 110 AH capacity at 20 Hr. Plate material made of Pb-Ca-Sn and Pb oxide. Construction: Positive plate, negative plate. Battery case: ABS, AGM separator, H2SO4 and valve. Run time at 25A = 4hr, 16min. Discharge rate at 4hr = 22A. 