Unmatched Marine Power When You Need It Most

When you're miles from shore, the SuperCharge MFM50 SeaMaster Gold delivers the cranking power that gets you home. This 640CCA maintenance-free battery combines exclusive EXG technology with marine-grade construction - giving you instant starts and reliable power through pounding waves and salt spray.

Built specifically for harsh marine environments, this SeaMaster Gold battery packs 640 cold cranking amps into a vibration-resistant case that laughs off rough seas. The sealed expanded calcium design means you'll never add water or clean terminals - just turn the key and go. With 80Ah capacity and 140 minutes of reserve power, your electronics stay powered even with the engine off.

What separates this SuperCharge marine battery from basic boat batteries? EXG (Expanded Grid) technology delivers more plate surface area for superior cranking and deeper discharge recovery. The result? Faster starts on cold mornings and longer life in demanding marine applications. Backed by a 24-month warranty, it's the smart choice for serious boaters.

Key Benefits That Set You Free:

• 640CCA Power - Instant engine starts even in cold conditions with 800MCA warm weather performance
• Maintenance-Free Design - Sealed construction means no water checks, just reliable power season after season
• EXG Technology - Exclusive expanded grid delivers 30% more cranking power than standard batteries
• Vibration Resistant - Heavy-duty marine construction handles rough seas without internal damage
• 140-Minute Reserve - Powers fish finders, radios, and lights long after the engine stops
• 24-Month Warranty - Premium protection backed by SuperCharge's marine battery expertise

Technical Specifications:

Performance Specifications:

• Nominal voltage: 12V
• Cold cranking amps (CCA) at -18°C: 640
• Marine cranking amps (MCA) at 0°C: 800
• Reserve capacity (RC) at 25°C: 140 minutes
• Amp hours (AH): 80

Physical Specifications:

• Length: 259mm
• Width: 173mm
• Height: 205mm
• Total height (TH): 205mm
• Wet weight: 17.9kg

Construction Details:

• Battery type: Maintenance-free
• Assembly: D configuration
• Post type: DST (Dual Standard Terminal)
• Other features: CV, FDH, FL, HE
• Warranty: 24 months

Compatible With / Goes Well With:

• Marine battery chargers
• Marine electrical systems
• Battery monitoring equipment
• Marine starting systems
• Boat electrical accessories
• Marine battery boxes

Perfect Applications:

Starting Power: Reliable cranking for inboard/outboard engines from small fishing boats to large yachts Marine Electronics: Extended power for GPS, fish finders, VHF radios, and navigation lights Commercial Use: Dependable performance for charter boats, work vessels, and marine service applications Recreational Boating: Peace of mind for weekend warriors, fishing enthusiasts, and water sports

Why Choose SuperCharge MFM50:

This isn't just another boat battery - it's engineered marine power. The MFM50 SeaMaster Gold combines proven SuperCharge reliability with advanced EXG technology for superior performance. Maintenance-free convenience means more time fishing and less time fussing with battery care. When your day on the water depends on reliable power, trust the battery that marine professionals choose.

Important: Store Pickup Only - This heavy-duty marine battery requires proper handling and is available for store pickup only. 

Weight: 17.9kg (39.5 lbs)