Mastervolt 64001200 – MVG Gel Battery 12V 120Ah – Deep-Cycle, High Reliability, Maintenance-Free
The Mastervolt MVG 12/120Ah Gel Battery (Part No. 64001200) is purpose-built for demanding service applications. It features a sealed gel electrolyte, ensuring zero maintenance, no gas emissions under normal use, and complete installation flexibility—even in confined or unventilated spaces. Its robust deep-cycle design supports rapid charging and long service life, making it ideal for marine, RV, and off-grid power systems.
Key Features:
- Deep-cycle 12V battery with 120Ah capacity at C20 discharge rate
- Maintenance-free sealed gel technology – no need for ventilation
- Fast recharge support – up to 60A maximum charge current
- Low self-discharge for extended storage and seasonal use
- Long lifespan with high charge/discharge cycle tolerance
- Perfect for medium to large 12V and 24V service battery systems
- Includes two-year manufacturer’s warranty
Typical Applications:
- Service battery for boats, motorhomes, and off-grid systems
- Renewable energy storage and hybrid power setups
- Backup power systems and industrial equipment
Technical Specifications:
| Specification | Value |
|---|---|
| Nominal Voltage | 12 V |
| Nominal Capacity (C20) | 120 Ah |
| Maximum Charge Current | 60 A |
| Cold Cranking Amps (DIN) | 450 A |
| Cold Cranking Amps (SAE) | 760 A |
| Terminal Type | A-type |
| Dimensions (L × W × H) | 513 x 189 x 223 mm / 20.2 x 7.4 x 8.8 in |
| Weight | 41 kg / 90.4 lb |








