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MLI Ultra battery 12V/1250W - 100Ah

Ref. 66011250

The MLI Ultra 12V - 1250Wh - 100Ah lithium-ion battery is a powerful, reliable solution for a wide range of energy needs. With a capacity of 1250 Wh and an amperage of 100 Ah, it offers exceptional performance.

Compact and lightweight, it's easy to integrate into a variety of applications. The Ultra MLI battery from Mastervolt is a trusted option for those looking for a durable and efficient power source.

Read more Features
€1,342.90 Tax included
Public price
€1,500.00
-10%
Price tax excl. / DOM TOM €1,119.08
Quantity
Availability date: 06/01/25
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66011250

Data sheet

new
📦 Bulky parcel
Voltage
12V
Power
1250 W
Amperage
100A
Description

MASTERVOLT - MLI ULTRA 12V - 1250W - 100 AH BATTERY

The MLI range excels in lithium-ion performance, even under extremely demanding conditions, such as high loads and discharges, humid environments, mechanical shocks or vibrations. This performance is achieved by combining our premium-quality Lithium-Fer Phosphate (LiFePO4) cells with an exclusive battery management system (BMS), integrated in a robust, waterproof housing.

The advanced Mastervolt BMS ensures optimum performance from every cell. Integrated battery monitoring gives you accurate, up-to-date information on battery status. Integrated NMEA2000, CZone and MasterBus communication enables full system connectivity, ensuring optimal charging while maximizing battery life.



mastervolt batterie MLI ultra 12v/1250wh-100Ah

High-performance & ingenious battery

MLI Ultra batteries feature a self-balancing algorithm that anticipates and adjusts the behavior of each cell, for faster, more efficient charging. This system avoids stress on the cells inside the battery, and prolongs its life.

It features an integrated thermal heating pad and advanced low-temperature control to optimize charging, even in freezing conditions. When the thermometer drops, the connected charger powers the heating pad while maintaining cell temperatures above freezing. This ensures fast charging and full power even in the coldest weather.

The safety switch integrated into the MLI Ultra 1250Wh isolates the cells in the event of a problem. Thanks to intelligent algorithms analyzing charging current, temperature and other cell details, it offers complete protection. Unlike other integrated switches, the MLI Ultra 1250 ensures continuous power supply up to 200 amps, without current limitation.

Installing your battery is simple. Plug the MLI Ultra 1250 into a compatible Mastervolt charger, connect the communication cable and the battery automatically configures the charger via the Plug-and-play system. This makes charging easy and trouble-free, with no need for configuration tools.



MLI ULTRA MARINE BATTERY

  • Robust, high-performance lithium-ion batteries.
  • BMS and LiFePO4 chemistry meeting the highest safety standards.
  • Easily replaces Group 31 and 49 size 85-90 Ah batteries.
  • Lasts more than three times longer than conventional batteries.
  • Space and weight savings of up to 70%
  • Charge and discharge rates up to 2 C
  • Charging in 1 hour
  • Integrated battery switch and thermal heating pad
  • Battery monitoring (Voltage, Current, State of charge, Time remaining).
  • MasterBus communication with any battery charger Mastervolt or smart remote control.
  • CZone and NMEA2000 compatibility
  • 100% waterproof

For further information, please refer to the installation and user manual at the bottom of this page

mastervolt MLI ultra 12V 1250 wh 100ah avec poignée


MASTERVOLT MLI ULTRA 12V 1250W 100A BATTERY SPECIFICATIONS

Nominal battery voltage 12V
Nominal battery capacity 100 Ah
Nominal battery energy capacity 1250 Wh
Cycle life 3500 cycles at 80% DOD at 25°C, max. charge C/3 and discharge C/2
Maximum charge current 100A
Recommended charging current ≤ 50 A
Max. permanent discharge current 200 A
Max continuous load current 100 A
Peak discharge current 500 A (10 sec)
Battery monitoring yes
Battery terminals M8
Mounting position vertical (recommended) or on any side of length
Battery chemistry Lithium iron phosphate
Protection class IP65 (electronic cabinet)
Parallel connection Yes, unlimited
Series connection Yes, up to 48V
Protections overvoltage, undervoltage, overtemperature
Safety relay
Integrated
Stop relay controls Integrated

GENERAL CHARACTERISTICS :

  • Weight: 15kg
  • Rated voltage: 12 V
  • Maximum load current: 100 A
  • Rated capacity: 100 Ah (Amp-hour)
  • Standards: CE, E-mark, RVIA Complaint, DNV-GL
  • Dimensions with terminal blocks and handles (h x w x d): 330 x 173 x 210 mm




BOX CONTENTS :

  • 1 - MLI Ultra battery 12V / 1250 Wh - 100Ah
  • 1 - Automotive battery positive pole (thick) + M8 Allen bolt
  • 1 - Automotive battery negative pole (thin) + M8 Allen bolt
  • 1 - Handle
  • 2 - Fixing straps (fixed applications only)
  • 1 - MasterBus terminator (connector)
  • 1 - MasterBus cable (1m)
  • 1 - CZone connection cable (1m)
  • 1 - Auxiliary cable (2m)
  • 1 - PDF documentation

Download

Quick installation MLI 1250

Quick installation document MLI Ultra 12V - 1250 Wh battery

Download (184.57k)

MLI Ultra 1250 battery manual

Installation and operating manual PDF MLI Ultra 1250 Wh battery

Download (538.94k)

Accessories

€141.90 €158.16 -10%
Availability date: 06/01/25
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