Description
⚓ Premium Maintenance-Free Marine Battery for Reliable Starting Power
The SuperCharge SeaMaster MFM70 (SeaMaster GOLD Series) is a premium 12-volt marine starting battery engineered for heavy-duty boating applications. Designed for maximum reliability, it delivers 720 Cold Cranking Amps (CCA) and a strong 160-minute reserve capacity, providing dependable power for both engine starts and onboard electrics.
Built with EXG Expanded Grid Technology and a fully sealed maintenance-free design, this battery offers exceptional corrosion resistance, minimal water loss, and long-lasting performance — ideal for boats, yachts, and marine engines up to 300 HP.
⚙️ Technical Specifications
| Specification | Detail |
|---|---|
| Model | MFM70 (SeaMaster GOLD) |
| Voltage | 12V |
| Cold Cranking Amps (CCA) | 720 |
| Reserve Capacity (RC) | 160 minutes |
| Dimensions (L × W × H) | 305 × 174 × 201 mm (227 mm total height) |
| Weight | 24.7 kg |
| Warranty | 24 months (conditions apply) |
🔋 Key Features & Benefits
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Maintenance-Free Design: No water top-ups required – fully sealed cover reduces evaporation and leakage.
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Premium Heavy-Duty Build: Reinforced internal structure and calcium-expanded plates for extra durability and grid strength.
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EXG Technology: Enhanced corrosion resistance and superior power delivery under load.
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High Starting Power: 720 CCA ensures reliable ignition for large marine engines.
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Long Reserve Capacity: 160-minute RC supports auxiliary electronics like fish finders, lighting, and radios.
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Vibration Resistant: Ideal for harsh marine conditions, ensuring steady performance on rough water.
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Eco-Friendly: Built with recyclable materials, meeting environmental standards.
🛥️ Ideal For
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Boats, yachts, and watercraft with engines up to 300–350 HP
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Marine starting applications requiring high CCA
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Heavy-duty leisure and commercial marine use
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Fishing boats and vessels with auxiliary electronics
🔄 Replacement / Cross Reference
Direct replacement for:
N70, M27, M27/660, M27/730, M27/780, MS700, CV27, MMF27/780, CM27/850, N70MF, N70Z, N70ZZ, MF75D31R, MF85D31R, MF95D31R, MF105D31R, MF115D31R, 4703, D31X, M27MF, and more.
📍 Pickup & Availability
Pickup available from:
Hamilton | Wellington | Christchurch
Please call ahead to confirm stock availability before visiting.
🛡️ Warranty
24-Month Nationwide Marine Warranty (conditions apply).
Refer to the product label for full details.
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