Lithium Ion Ultra MLI 12/2500

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Lithium Ion Ultra MLI 12/2500

Mastervolt Lithium Ion Ultra MLI 12/2500 Battery. The MLI Ultra has an ultra-long lifespan that offers over 2000 cycles; a recharge time of less than an hour active cell balancing for efficient and safe use of the Li-ion cells; and integrated battery monitoring to further simplify your system. What's more, the Ultra takes up to 70% less space and weight compared to lead-acid batteries. Add in the MasterBus compatibility and you'll see why this battery is the ultimate choice. 


  • Top performance, heavy duty Lithium Ion batteries
  • Ideal for running heavy loads for long periods and short charge times
  • Saves up to 70% in space and weight
  • Three times the lifespan of traditional batteries (2000 cycles)
  • High cycle efficiency
  • Fast charging rate up to 3C
  • MasterBus communication with every Mastervolt battery charger
  • Integrated Battery Management System (BMS)
  • Integrated battery monitoring (Ah consumed, state of charge)
  • Series connection up to 10 batteries possible
  • Waterproof electronics cabinet
  • Extremely safe LiFePO4 chemistry
  • Tested and certified according to UN38.8
Description  MLI Ultra 12/2500
Nominal battery voltage 13.2V
Nominal battery capacity 180Ah
Nominal battery energy capacity 2500Wh
Max. charge current 500A (2.8 C)
Max. continuous discharge current 500A (2.8 C)
Peak discharge current For 10 sec, 1800A (10C)
Cycle life 3500 at 80% DoD
Battery monitoring Integrated
Communication MasterBus 
Battery terminals M8 Hexagon
Mounting position

Upright or longside

Max. outer diam. L x W x H mm 341 x 197 x 355
Weight 31

Technical Specifications: 

Battery chemistry Lithium Iron Phosphate
Protection degree IP65 Electronics Cabinet
Parallel connection Yes, unlimited
Series connection Yes, up to 10 batteries
Protections Over voltage, under voltage, over temperature 
Safety relay With additional parts
Safety relay controls Integrated