SKU:
EX 66012750
1-2 weeks delivery time
Our managers will contact you and clarify the terms of the order
The Mastervolt MLI Ultra 12/2750 (P/N 66012750) is a 2.75 kWh high-performance lithium iron phosphate (LiFePO₄) battery, engineered for demanding marine, vehicle, and industrial applications. Built with advanced cell balancing, integrated battery monitoring, and full communication support (MasterBus, NMEA2000, CZone), it delivers unmatched safety, durability, and performance. Designed for high-current loads, fast charging, and long life—even in extreme environments—this battery redefines lithium reliability.
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Mastervolt 66012750 – MLI Ultra 12/2750 Lithium Battery
The MLI Ultra 12/2750 from Mastervolt is a 13.2 V, 200 Ah lithium iron phosphate battery delivering 2.75 kWh of rugged, high-efficiency energy. Designed for extreme environments, it combines advanced LiFePO₄ cells with a proprietary Battery Management System (BMS) inside a robust IP65-rated housing. The self-learning balancing algorithm enhances charging efficiency and extends cycle life to over 3500 deep discharges.
Key Features:
- High-capacity LiFePO₄ battery (2.75 kWh) with 200 Ah @ 13.2 V
- 3500 cycles at 80% DoD with optimal cell balancing
- Max charge: 200 A, Max continuous discharge: 500 A, Peak: 1800 A (10 s)
- Integrated monitoring for SoC, voltage, current, and more
- Supports MasterBus, CZone/NMEA 2000 network integration
- Waterproof electronics (IP65) and robust terminal layout
- Self-learning BMS algorithm reduces cell wear and speeds charging
- Meets CE, E-Mark, RVIA, UN38.3, UL1973 standards
System Integration:
- MasterBus: Native support for full Mastervolt ecosystems
- CZone/NMEA 2000: Seamless digital switching integration
- Battery Monitoring: Built-in, includes Ah tracking, state of charge, voltage, temperature
⚠ Mandatory Safety:
Installation requires a dedicated safety relay (12 V, P/N 7700B-BSS). Relay control is integrated within the battery system for automated shutdowns during fault conditions.
General Specifications:
Part Number 66012750 Nominal Voltage 13.2 V Capacity 200 Ah Energy 2750 Wh Cycle Life 3500 cycles @ 80% DoD Max Charge Current 200 A Recommended Charge ≤ 60 A Continuous Discharge 500 A Peak Discharge 1800 A (10 s) Communication MasterBus, CZone/NMEA 2000 Battery Monitoring Integrated Terminals M8 Mounting Position Upright recommended or on long side Dimensions (L×W×H) 341 × 197 × 355 mm / 13.4 × 7.8 × 14.0 in Weight 29 kg / 63.9 lb Shipping Weight 30 kg / 66.1 lb Compliance CE, E-Mark, RVIA, UN38.3, UL1973 (TEI listed)
Technical Specifications:
Chemistry Lithium Iron Phosphate (LiFePO₄) Protection Rating IP65 (electronics cabinet) Parallel Operation Yes, unlimited Series Operation Yes, up to 10 units Safety Relay Required, 12 V (P/N 7700B-BSS) Safety Protections Over-voltage, under-voltage, over-temperature Relay Control Integrated Documents
MLI Ultra 12_2750 - User Manual Size: 1,8 Mb -
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