Recently, Italy's Fratelli Cosulich Marine Energy announced that its newly built bunker tanker, Maya Cosulich, has officially departed the shipyard, marking the start of the vessel's operational journey.

The vessel has an overall length of 102.6 meters, a beam of 19 meters, a deadweight tonnage of 7,990 tons, and a cargo hold capacity of over 8,200 cubic meters. It is described as the world's first chemical tanker with integrated methanol dual-fuel propulsion, methanol transport, and methanol bunkering functions.

The high-performance marine battery system installed on the vessel, in particular, was produced by CALB, the new energy company based in Changzhou.

The company serves as the core power system supplier, providing a customized battery storage solution that operates in conjunction with the vessel's methanol dual-fuel generators to support diesel-electric propulsion. CALB is the first Chinese power battery company to obtain RINA (Registro Italiano Navale) certification and complete a full onboard delivery for a marine application.

This development underscores CALB's expanding presence in the maritime energy storage market, a niche aligned with global decarbonization trends in shipping. Securing RINA certification has enhanced CALB's credibility with international shipbuilders, owners, and classification societies, potentially opening new commercial opportunities in marine and offshore segments. The technical validation and reference project could also support future revenue growth from higher-value, engineered battery systems and strengthen CALB's competitive position against global battery suppliers targeting green shipping and alternative-fuel vessels.

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