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30 July, 2021
Dedicated UPS and energy storage solutions utilising high power density li-ion cells.

Riello UPS is introducing dedicated lithium-ion battery solutions across much of our best-selling range of uninterruptible power supplies.

The move enables data centres and similarly mission-critical sites to capitalise on the many advantages of lithium-ion batteries whilst also encouraging them to play a role in the ongoing transition of the country’s electricity grid.

Lithium-ion battery compatible versions are now available across much of our product range, including the award-winning modular UPS Multi Power, super-efficient NextEnergy, and high-performing Master series.

The new solutions incorporate a wide range of runtime options (short, medium, and long autonomy) along with a sophisticated Battery Management System (BMS) that monitors and controls each individual cell using electronic circuits to maintain balanced states of charge. 

 

Why Lithium-Ion Batteries?

Compared to the sealed lead-acid (SLA) batteries typically used in UPS systems, lithium-ion cells have a much better power to weight ratio and far higher power density, meaning they can deliver the same power in 50-75% less footprint and weight.

They also have a much quicker recharge/discharge time and offer around 50 times the cycle life.

In addition, li-ion batteries have a better tolerance to higher temperatures, meaning they can safely operate in environments up to 40oC compared to the recommended 20-25oC for SLA.

This can significantly reduce expensive air conditioning or even eliminate the need for a standalone battery room. 

While li-ion batteries have a lifespan of 15-20 years, SLA cells would probably need replacing two or three times during the same period.

This equates to total cost of ownership (TCO) savings of between 10-40% over the course of a decade.

Thanks to this combination of long lifespan, reduced footprint, higher temperature tolerance, and real-time monitoring for enhanced reliability, lithium-ion solutions are fast-becoming an increasingly viable option across a variety of settings.

They transform a UPS from a purely reactive machine waiting to provide emergency power when there’s an outage into a dynamic device that can help balance the electricity grid in real time through peak shaving and mechanisms like frequency response.

Their rapid charge/discharge and high number of cycles also make them an ideal solution for storing energy generated from renewable sources such as wind turbines or solar panels.