Mastervolt Battery - Lithium Ion Ultra Series

Technical Overview

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Code Description SRP
111121 Battery Lithium Ion - MLI Ultra 12/5000

Nom. battery voltage V: 13.25 Battery capacity range Ah: 360 Nom. battery power Wh: 5000

111123 Battery Lithium Ion - MLI Ultra 24/5000

Nom. battery voltage V: 26.5 Battery capacity range Ah: 180 Nom. battery power Wh: 5000


Mastervolt Battery - Lithium Ion Ultra Series

Having perfected the legendary Lithium Ion battery in a few key areas, Mastervolt has developed an unrivalled 5000 and 2500 Wh powerhouse. 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 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.

• Highly advanced technology
• Multifunctional battery of 5kWh and 2.5kWh
• Saves up to 70% in space
• Saves up to 70% in weight
• Three times the lifespan of traditional batteries (2000 cycles)
• Ultra-fast charging and discharging
• High efficiency
• MasterBus communication with every Mastervolt battery charger
• Integrated Battery Management System (BMS)
• Common-rail technology optimizes series connection: up to 2 batteries in series
• Safest Lithium Ion technology available
• Integrated battery monitoring
• LiFePO4 technology
• M8 battery terminals
• Two year warranty

Online Returns Policy

(To be read in conjunction with BLA’s Returns Policy)

 In addition to the BLA Returns policy, these additional conditions apply to sales processed on the BLA online website.

BLA will accept goods for return in accordance with this Returns Policy and your rights under the Australian Consumer Law. This Returns Policy is not intended to limit your rights under the Australian Consumer Law.

Process for return of Product:

Where the Customer Service Department has determined that a claim should be granted the customer will be issued with a Web Authorisation Number (WAN). A WAN can be obtained by emailing or calling 1300 252 932 during business hours (AEST).

Subject to the Australian Consumer Law, please note that BLA will not accept product returned without a WAN and once a WAN has been issued the product must be returned within 21 calendar days.

All goods for return should be unmarked and complete with instruction books and accessories (such as remotes, controllers, power cords, batteries, battery chargers and connectivity cables and any other out of box accessories) supplied at the time of purchase.


Refund or Credit:

Where a warranty claim is granted, the refund will include all delivery and related costs for the goods. No refund or replacement will be granted until we have received the goods from you and the goods have been approved for refund.


Where a replacement claim under warranty is granted, the replacement will be delivered to you at BLA’s expense after we have received the returned goods.

No Change of Minds Return: 

Please choose carefully as BLA does not accept return of goods because you change your mind or make the wrong decision about BLA’s goods or services.


Click here to read the full BLA’s Returns Policy