Mastervolt MLI Ultra 12V/6000-6kW/h Lithium Ion battery is heavy duty for ultimate performance. The MLI battery delivers ultimate Lithium Ion performance even under the harshest conditions, such as high charge and discharge currents, wet environments, mechanical shocks or vibrations. This is realised 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 NMEA 2000, CZone or MasterBus communication allows complete system integration, to ensure the best possible recharging, while maximising the lifetime of your battery.

Self-learning balancing algorithm

The MLI Ultra batteries are equipped with a self-learning balancing algorithm that predicts the behaviour 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.

Mastervolt MLI Ultra 12/6000 Battery Features:

Ultimate performance, heavy duty Lithium Ion batteries.

BMS and LiFePO4 chemistry according to highest safety standards.

Saves up to 70% in space and weight.

More than three times the life span of traditional batteries.

Fast charging within 60 minutes.

Self-learning balancing algorithm for optimised performance and longer battery lifetime.

High charge / discharge rate up to 2.5 C.

Integrated battery monitoring (Ah consumed, state of charge).

Series connection up to 10 batteries possible.

MasterBus communication with any Mastervolt battery charger.

CZone and NMEA 2000 compatible.

Waterproof electronics compartment.

General specifications:

Recommended Continuous Discharge Current: ? 300A

Nominal battery energy capacity: 6000 Wh

Cycle life: 3500 cycles at 80% DOD at 25?C, max. C3 charge and C2 discharge

Max. charge current: 460A

Recommended charge current: ? 160A

Max. continuous discharge current: 300A

Peak discharge current: 1800A (10 sec.)

Battery monitoring: Integrated

MasterBus communication: Yes

CZone / NMEA 2000 communication: Yes

Mounting position: Upright or either long side

Technical specifications:

Battery chemistry: Lithium Iron Phosphate – LiFePO4

Protection degree: IP65 (electronics cabinet)

Parallel connection: Yes, unlimited

Series connection: Yes, up to 10

Protections: Over voltage, under voltage, over temperature

Safety relay: To be added mandatorily

Safety relay controls: Integrated

Please Note: for additional safety, Mastervolt stipulates the use of a safety relay as mandatory part of the battery installation. Safety relay 12 volt, product code 7700B-BSS.

Key Features

Lithium Ion

Ultimate performance, heavy duty

BMS & LiFePO4 to highest safety standards

Saves up to 70% in space & weight

More than 3x the life span of traditional batteries

Fast charging under 60 minutes

Self-learning balancing algorithm for optimised performance & longer battery life

High charge / discharge rate up to 2.5 C.

Integrated battery monitoring (Ah consumed, state of charge)

Series connection up to 10 batteries

MasterBus communication with any Mastervolt charger

CZone & NMEA 2000 compatible

Waterproof electronics compartment

Designed according to UN38.3

CE, E-Mark certified