Trans-Canada Group 31 Hybrid Deep Cycle Battery — 12V 120Ah The Trans-Canada Group 31 Hybrid Deep Cycle Battery is a 12V 120Ah battery combining starting and deep cycle capability in a single Group 31 package. With a marine twin terminal and 225-minute reserve capacity, it is ideal for marine, RV, and off-grid applications where both cranking power and sustained energy delivery are required. Key Features Hybrid deep cycle design — combines starting and deep cycle performance in one battery 225-minute reserve capacity — sustained power for extended marine and off-grid use Marine twin terminal (Type M) — SAE post + stud for maximum connection flexibility Group 31 form factor — direct-fit for compatible marine and RV applications 24-month warranty — Trans-Canada quality assurance Specifications Voltage: 12V Capacity: 120Ah (@ 20Hr rate) Reserve Capacity: 225 min Cranking Amps (CA): 1,100 Group Size: 31 Terminal: Type M — Marine Twin (SAE + Stud) Length: 12.9" | Width: 6.7" | Height: 9.3" Ideal For Marine trolling motors and dual-purpose marine use RV and motorhome house power Solar energy storage systems Off-grid and backup power applications Ships from Thunder Battery — Canada's trusted energy storage dealer.