Echandia selected to supply new battery system for Ellen.
Echandia has been selected to deliver a new battery system for E/F Ellen, operated by Ærøfærgerne in Denmark. Echandia will supply a 3.2 MWh LTO battery system to replace the previous 4.3 MWh NMC system. The new system is designed for a 15-year lifetime and features multiple daily fast-charging cycles at high efficiency.
We are very pleased that Echandia has secured the tender. We see them as a trusted partner with a well-suited battery system for this type of application. The Echandia solution meets our requirements for long lifetime, high roundtrip efficiency, and maximum safety,
says Allan Filtenborg from Ærøfærgerne.
Echandia’s LTO (Lithium-Titanate Oxide) technology is well-suited for high-frequency, fast-charging RoPax ferry operations, where reliability is critical. The system supports very high C-rates, enabling over 20,000 charge cycles and charging in around 25 minutes. It is an improvement of 10 minutes per charging session.
Delivered in 2019, Ellen was the world’s first long-range, pure electric ferry and a symbol of zero-emission passenger transport. The vessel operates to and from the island of Ærø in southern Denmark. At 8 years of age, the original NMC battery system will be replaced due to uneven wear and reduced capacity. Ærøfærgerne has chosen Echandia as supplier of the new battery system following a tender. Scheduled operation with the new battery system will be in May 2026.
This project demonstrates Echandia’s knowledge and other capabilities as an established marine supplier. We will deliver and commission an optimized complete battery system within six months, making sure the vessel is ready for summer operations 2026,
says Torbjörn Bäck, CEO at Echandia.
The replacement proves that upgrading earlier-generation batteries with modern systems is both technically and financially viable, offering longer lifetime, higher efficiency, and the highest standards of safety.
ABOUT ECHANDIA
Echandia is a market-leading supplier of advanced maritime battery systems, delivering safe and resilient energy solutions for demanding vessel operations. Designed in Scandinavia and built on proven LTO technology, our systems enable fast charging, smooth zero-emission performance, and long service life in harsh marine environments. Headquartered in Sweden, with offices in North America, the UK, Singapore, China, and Denmark, we serve customers across the globe and are trusted by shipbuilders and operators for our compact footprint, high reliability, and minimal degradation over time. To date, we have sold more than 115 systems for electrification projects across the marine industry. By reducing fuel consumption and lowering operating costs, our solutions support sustainable shipping and long-term economic efficiency, helping accelerate the maritime industry’s transition to zero-emission operations.
MEDIA CONTACT
Johan Winlund, Head of Communication & PR at Echandia
+46 76 117 55 41 • johan.winlund@echandia.com
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