Rolls S12-128AGM 12V Deep Cycle Battery

Maintenance-Free Sealed AGM Storage — Model S12-128AGM-RE (Group 31)

• High-Capacity Deep Cycle Reserve: Delivers 115Ah at the 20-hour rate (128Ah at C100) and 220 minutes of continuous 25A reserve capacity to reliably power cabin lighting, refrigeration, water pumps, and inverters.
• 100% Maintenance-Free Sealed VRLA: Absorbed Glass Mat (AGM) construction suspends electrolyte in glass fiber separators, completely eliminating cell watering, acid checks, and terminal corrosion.
• Safe for Enclosed Cabin Spaces: Non-spillable and non-hazardous design permits safe indoor placement inside living spaces, crawlspaces, mobile RV compartments, and sailboat lockers without corrosive off-gassing under normal float charging.
• Standard BCI Group 31 Profile: Directly retrofits into standard Group 31 marine and RV battery trays and boxes, delivering superior deep-cycle endurance over conventional starting or dual-purpose batteries.
• Dual Terminal Versatility: Equipped with recessed F12 (M8 female brass threaded inserts) and includes TP08 automotive post adapters and stainless steel mounting hardware.
• Low Internal Resistance & Rapid Recharge: Low internal resistance (5 mΩ) and high charge acceptance support fast, efficient recharging from solar MPPT controllers or AC generators.
• Canadian Craftsmanship: Handcrafted in Springhill, Nova Scotia by Surrette Battery Company, building world-renowned heavy-duty batteries since 1935.
• 3-Year Full Replacement Warranty: Covered by Rolls Battery Engineering's direct 3-year replacement warranty for renewable energy applications.