Foresee Power's ZEN 55 Battery Selected for KONCAR Rail Fleet in Croatia
The Croatian rail manufacturer has placed an initial order to equip eight trains with Foresee Power's LFP battery systems.
KONCAR Electric Vehicles has selected Forsee Power's ZEN 55 LFP RAIL battery system for its next-generation of battery multiple units and battery-electric multiple units, with an initial order covering eight trains set to operate in Croatia.
What Happened
The Croatian manufacturer, part of the KONCAR Group, chose Forsee Power's modular ZEN 55 LFP RAIL packs for its new two- or three-car train sets designed to run on non-electrified lines. Each set carries between 200 and 300 passengers and draws on the onboard batteries for propulsion, auxiliary power and regenerative braking. On battery-electric multiple units, the pack charges from overhead lines where available and powers the train in areas without electrification, allowing a single set to operate across both electrified main corridors and non-electrified branch routes without switching to diesel.
Why It Matters
The ZEN 55 LFP RAIL is built around 55 kWh modules that can be scaled into multi-megawatt-hour configurations for hybrid and fully electric trains. The LFP chemistry, while lower in energy density than some alternatives, offers up to 7,000 cycle life and stable thermal behavior suited to the repeated daily charging of regional rail duty. For buyers and operators, that trade-off may translate to longer service intervals and reduced replacement cost over a train's operational lifespan.
The Bottom Line
Forsee Power's entry into Croatian passenger rail marks an expansion of its LFP battery technology beyond prior European deployments. The system meets EN 50126 SIL2 along with IEC standards for railway applications, positioning it alongside other battery suppliers targeting the growing market for hybrid and fully electric regional trains.




