This high-capacity 12 volt battery serves full-time RVs, marine trawlers, and off-grid homes requiring multi-day autonomous operation. The 300 Ah rating paired with LiFePO4 chemistry delivers consistent voltage output across extended discharge periods, maintaining stable operation for inverters, refrigeration, heating, and entertainment systems. The Group 31 form factor fits standard battery trays in many vehicles and marine installations.

Lithium iron phosphate construction ensures efficient charging from solar arrays, wind generators, or shore power without the sulfation degradation that affects lead-acid units. The built-in battery management system continuously optimizes cell balance and internal resistances to maximize cycle life. Fast charging and discharging characteristics support both rapid top-ups and heavy sustained loads. Zero maintenance, extended lifespan, and consistent performance make this an ideal centerpiece for long-duration energy storage.

• Voltage: 12 Volt
• Capacity: 300 Ah
• Chemistry: Lithium Iron Phosphate (LiFePO4)
• Group: 31
• Terminal: Top M8 Stud
• Dimensions: 20-5/8″ x 10-1/2″ x 8-3/4″
• Reserve Capacity: 720 minutes
• Built-in Battery Management System
• ABS polymer case, marine-rated, fully universal