Deka DC31DT 12V 105Ah Flooded Deep Cycle Battery - Group 31, Marine & RV, USA Made

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The Deka DC31DT is a 12-volt flooded deep cycle battery built for demanding marine and RV applications. With a 105 amp hour capacity at the 20-hour rate, this Group 31 battery uses flooded lead-acid chemistry to deliver steady power for trolling motors and house battery systems. Its design focuses on durability and reliable deep cycle performance under heavy loads.This battery is engineered to handle frequent deep discharges, supporting up to 50% depth of discharge cycles typical of marine and recreational use. Its maintenance needs are modest for a flooded battery, requiring occasional water checks though it's built to limit water loss during normal operation. The reinforced internal components and dual insulation separators help protect against vibration and shorts for a longer service life.Physically, the DC31DT measures 13.0 inches long, 6.75 inches wide, and 9.375 inches high, weighing in at 59 pounds. It comes with dual terminals, including top posts and 5/16" stainless steel studs, accommodating a variety of connection types. This size and terminal setup is well suited to heavy marine and RV electrical demands.This battery is commonly used with marine trolling motors, RV house battery systems, and other off-grid power needs. Its build quality holds up in rough environments like boating and camping. Available for same-day pickup at Bulldog Battery in Willoughby, Ohio, your Northeast Ohio battery specialists with over 35 years of experience.Deka backs this battery with a 3-year warranty and it comes from established manufacturing processes known for quality and reliability. If you need dependable power for marine or RV use, this DC31DT offers a straightforward solution built to last. Flooded Group 31 Deep Cycle, 12V 105Ah: Suitable for marine trolling motors, RV house power, and off-grid systems with dual terminal access. Cycle Life Performance: Supports about 50% depth of discharge for repeated cycling, balancing runtime with battery longevity. Robust Construction: Reinforced case with dual insulation separators for vibration resistance; dual terminals include top post and stainless steel studs. Application Focused: Powers marine trolling motors, RV house systems, and heavy-duty off-grid use including camping and emergency backup. 3 Year Warranty Show more