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Home: EcoVantage Catalog: Batteries: Lithium:

Mastervolt Lithium Ion Ultimate 12/1250
Cat. No. MV-66011250
Weight 27.6 lbs
$3,368.30

Heavy Duty, Extreme Performance
The MLI series deliver extreme Lithium Ion performance even under the harshest conditions, such as high charge and discharge currents, wet environments, mechanical shocks or vibrations. This is realized by combining our best Lithium-Iron Phosphate (LiFePO4) cells with a proprietary Battery Management System (BMS) inside a sturdy, waterproof housing.

The sophisticated Mastervolt BMS ensures optimal use of each individual cell. Integrated battery monitoring provides you with accurate and up-to-date information on the state of your battery. Integrated NMEA2000, CZone and MasterBus communication allows complete system integration, to ensure the best possible charging, while maximizing the lifetime of your battery.

Self-learning balancing algorithm
The MLI Ultra batteries are equipped with a self-learning balancing algorithm that predicts the behavior of each individual battery cell and balances proactively, resulting in a faster and more efficient charge cycle. The self-learning system eliminates unnecessary stress on the cells, resulting in an even longer Battery Cycle Life.

Freezing cold weather performance
The MLI Ultra 1250 comes with integrated thermal heat-pad and sophisticated low-temperature control to ensure maximum charging performance at freezing temperatures. In cold weathers it uses the connected charger to power the heat-pad and keep the battery cell temperatures above freezing point. This assures the fastest possible charging and full power capabilities even on the coldest days.

Integrated battery switch
The integrated battery safety switch disconnects the battery cells in case of abnormalities. This is based on smart algorithms analyzing all details of the battery condition such as charge current, temperature, cell details and more. Where other integrated switches have current limitations, the MLI Ultra 1250 will keep providing energy up to 200 Amps continuously.

Plug-and-play by Auto Configuration
Installing a Lithium Ion battery has never been easier.  Wire the MLI Ultra 1250 to any supported Mastervolt charger, connect the communication cable and the battery automatically fully configures the charger to match the battery. In this way a smooth and worry-free charging experience is ensured without the need of any configuration tools.
 
Features
  1. Ultimate performance, Heavy duty Lithium Ion batteries.
  2. BMS and LiFePO4 chemistry according to highest safety standards.
  3. Drop-in replacement for size Group 31 and Group 49 (85-90 Ah) batteries.
  4. More than three times the life span of traditional batteries.
  5. Saves up to 70 % in space and weight.
  6. High charge / discharge rate up to 2 C.
  7. Fast charging within 60 minutes.
  8. Series connection up to 48V possible.
  9. Integrated battery switch
  10. Integrated thermal heat-pad with control
  11. Integrated battery monitoring (Voltage, Current, State of Charge, Time Remaining).
  12. MasterBus communication with any Mastervolt Battery Charger or Smart Remote.
  13. CZone and NMEA2000 compatible.
  14. Fully waterproof.
  15. UN 38.3, CE, E-Mark and FCC certified
  16. Compliant to UL1973 and RVIA standards, TEI listed.
 
Applications
Its size, weight, tough waterproof case and resistance to shocks makes the MLI-E ideal for mobile applications. Other applications range from marine, infrastructure, off-grid to industrial applications.

* Max. two MLI-E per EasyView 5. Refer to manual for details.

Communication & monitoring
Communication LED indicators, CANopen, CZone/NMEA2000 (through drop cable CZone/MB, product code 77046000), MasterBus (through EasyView 5*, product code 77010310), Bluetooth (via mobile app)
 
General specifications
Nominal battery voltage 12 V
Nominal battery capacity 100 Ah
Nominal battery energy capacity 1250 Wh
Cycle life 3500 cycles at 80 % DOD at 25 ^(0)C, max. C3 charge and C2 discharge
Max. charge current 100 A (1 C)
Continuous discharge current 200 A (2.2 C)
Peak discharge current 500 A (3,8 C) for 10s
Battery monitoring integrated
Battery terminals automotive or M8 hexagon
Mounting position mountable in multiple orientations, suitable for LN5 fastening brackets
Battery standard LN5 Group 49, H8
Battery designation IEC 62620: IFpR19/67[60p4s]M/-10+60/90 IEC 61960: 4IFpR19/67-60
Max. outer dimensions (incl. terminals/grip handles), lxwxh 333 x 173 x 210 mm
13.0 x 6.8 x 8.3 inch
Weight 17.2 kg
37.9 lb
Delivered with 2x automotive battery pole, 2x M8 bolt, hexagon tool, USB stick (with manual)
 
Technical specifications
Battery chemistry Lithium Iron Phosphate
Protection degree IP62
Parallel connection yes, unlimited
Series connection yes,up to 48volt 
Protections over voltage, under voltage, over-temperature
Safety disconnect automatic, integrated



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