MasterVolt Batteries – Lithium Ion MLI

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SKU: MasterVolt Batteries - Lithium Ion MLI Categories: , Tags: , , ,

MasterVolt Batteries – Lithium Ion MLI

The MasterVolt MLI Ultra series is designed to deliver all the best properties of Lithium Ion technology and do that in the harshest conditions (high charge/discharge currents, mechanical shock or vibrations, wet environment, etc.). To do this the MasterVolt MLI Ultra batteries bring 2 things to the top of a selection of the finest Lithium-iron phosphate cells: a solid waterproof housing and the very best Battery Management System (BMS). The BMS includes active cell balancing for best use of each individual cell, even with fast charge and discharge, integrated battery monitoring will always have the best information on the state of your Lithium battery. Last but not least, there are MasterBus communication to the Mastervolt battery charger this ensures the optimal possible recharging and longest lifetime of your battery.

  • Top performance from heavy duty Lithium Ion batteries.
  • Optimal for running heavy loads over long periods and with short charge times.
  • Saves up to 70 % in space and weight, compared to traditional battery technology.
  • 3 times the lifespan compared traditional batteries ( min. 2000 cycles).
  • High cycle efficiency.
  • Fast charging up to just half an hour.
  • Very high discharge rate up to 3C.
  • MasterBus communication with Mastervolt battery chargers.
  • Integrated Battery Management System (BMS) with active balancing.
  • Integrated battery monitoring for better status. (Ah consumed, state of charge).
  • Series balancing technology for string connection.
  • Waterproof electronics cabinet.
  • Safest Lithium Ion chemistry available (LiFePO4). Not flamable
  • Tested and certified according to UN38.3.
  • Two year warranty.
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  • With MasterBus you will have the complete overview over your power system.
  • Via MasterBus in your Yacht, RV, Truck or any Off Grid installation, you can control and Monitior your entire system.
  • And with Amperian, everything can be done over the internet.
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Everything's covered

MasterVolt will provide you with all you the Power you need for any size project from 300 to 40.000 watts. [/lvca_carousel_item][lvca_carousel_item name="Tailor made"]

Tailor made solutions

Energig will tailor your setup for your project, so it fit's your needs spot on.
  • Let's have a chat, whether you needs are big or small, for Yachts, RV, Cabins, Trucks or any other Off Grid solution.
  • Energig delivers for everything small to big industrial projects.


For additional safety, Mastervolt stipulates the use of a safety relay as a mandatory part of the Lithium Ion battery installation. Mastervolt provides 12- and 24-volt models, so you can always order the correct voltage. Find them here: MasterVolt Batteries – Lithium Ion Accessories

MasterVolt quality

MasterVolt is world famous for its high quality and durability.
Whether it's how the chassis is made, the electronics are designed and mounted or the robust way all products can handle shaking, marine environments and temperature fluctuations. MasterVolt never let's you down!

MasterVolt's reputation and many years of experience makes it a well deserved place in the top of the power convert world that they occupy today.

As a preferred supplier to a range of the largest and most quality conscious companies worldwide, MasterVolt occupies a leading position that not many can challenge.


For more detailed specifications, see the Data Sheet and/or the manual under the “download” Tab above

MasterVolt Lithium Ion MLI Batteries
MLI Ultra 12/2500 MLI Ultra 12/5000 MLI Ultra 24/5000
Nominal battery voltage 13,2 V 26.4 V
Nominal battery capacity 180 Ah 360 Ah 180 Ah
Nominal battery energy capacity 2500 Wh 5000 Wh
Cycle life ~2000 at 80 % DoD
Max. charge current 500 A (2,8 C) 500 A (1,4 C) 500 A (2,8 C)
Max. continuous discharge current 500 A (2,8 C) 500 A (1,4 C) 500 A (2,8 C)
Peak discharge current 1800 A (10 C) for 10s
Battery monitoring integrated
MasterBus communication yes
Battery terminals M8
Mounting position upright or either long side
Max. outer dimensions (incl. terminals/grip handles), lxwxh 341 x 197 x 355 mm 622 x 197 x 355 mm
Weight 31 kg 58 kg
Battery chemistry Lithium Iron Phosphate
Protection degree IP65 (electronics cabinet)
Parallel connection yes, unlimited
Series connection yes, up to 10 batteries (series balancing up to 2 batteries)
Protections over voltage, under voltage, over temperature
Safety relayto be added mandatorily, Find it here.
Safety relay controls integrated

Additional Information

SKU: MasterVolt Batteries - Lithium Ion MLI Categories: , Tags: , , ,
Weight30 kg
Delivery Time

Typical 1-10 Days


Stock Item

MasterVolt Part Number (SKU)

66012500, 66015000, 66025000


MasterVolt Support and downloads

At Energig we want to give you everything you may need for your MasterVolt products.
In this download folder, you will find all relevant MasterVolt Data sheets, Manuals and Brochures.
You can also search in our libary of all our products
You are always welcome to contact us