Lithium Ion Ultra MLI 12/2500
Lithium Ion Ultra MLI 12/2500
Lithium Ion Ultra MLI 12/2500

Lithium Ion Ultra MLI 12/2500

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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

After ordering online, you will receive an automated email confirmation containing your order details. Your order will then be confirmed within a few minutes of placing your order.

It is our policy to ensure we deliver to our customers in a timely manner. In order to achieve this we use a range of freight companies depending on the size and weight of your order. In some instances we may use a number of carriers to get your products to you. For example, chain may come by road, some electronic equipment by air.

Most orders are shipped within 2 - 5 Days

Shipping rates

Orders delivered to Australian Post Codes under $399 attract an $15.00 shipping charge.

Orders of $399 or more ship free.* Excludes Bulky Or Dangerous Goods

For Remote areas and bulky items. If the cost to send is vastly different to our standard delivery costs, someone from our team will contact you prior to dispatch to arrange further payment or to issue a refund if you are not happy with the additional charges.

International orders will be charged at $0.00 initially and our staff will be in contact with a shipping quote. If the quote is not accepted the customer reserves the right to cancel their order and be refunded in full.

Should you have any queries or concerns about shipping, please don't hesitate to get in touch by clicking the support button on bottom right of the page.

What Our Customer Say

i ordered 6 port holes and these guys found exactly what i needed and went out of there way so much to help me 5 star service .


Prompt shipping and a good price. Item was well packed and arrived as ordered and undamaged. Thanks

Tom Mercer

Good quality parts easy to order on downside a couple of delays but they were quick to call and let me know

Darcy Scholte

Good service. Parts delivered on time and in good condition. There was a bit of mix up with one of my first orders but very promptly sorted and sent our to...


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