18 Month Free Replacement Warranty $8 Core Fee Included in Price. Rebate applied at purchase if an old battery of equal size is provided MAGNACHARGE 12V DEEP CYCLE - DUAL PURPOSE SERIES Traditional campers or more fully equipped motorhomes can have dependable power with the premium DC Series by Magnacharge. Designed with luxury, safety and peak performance in mind, the DC series is built vibration resistant and with high cycling power for the most demanding industrial applications while ensuring years of reliable seasonal use and an exciting experience every time. Ergonomically Designed Handle Flexible design for semi-traction (deep cycling) and starting High Density Active Material Magic Eye Indicator Special Tissue & Micro Fibre Vibration Resistant Design X-Frame Technology SPECIFICATIONS: Amp Hours @ 20Hr 85 Group Size 24 Marine Cranking Amps (MCA) 850 Reserve Capacity 140 Terminal Marine Twin-Threaded/Auto Voltage 12 Volt