Australian-listed flow battery manufacturer, Redflow (ASX: RFX) has entered the China market with an agreement to build a large-scale battery energy storage system.

The company, which manufactures zinc-bromine batteries in Thailand, will supply ten batteries for a large scale 100kwh battery storage solution for a smart grid project in Qinghai Province.

The battery is part of the Haidong Transportation Group’s 66KW solar PV project, which includes smart energy management software and 18 electric vehicle fast charging points.

China’s ZbestPower co will manage the project.

Redflow CEO Tim Harris said the company had strengthened its intellectual property position in China and considered a number of partnership opportunities.

“Zbest Power and Redflow will jointly benefit from this collaboration, with the project a key springboard to develop further projects in China.”

The partners are developing a large-scale version of Redflow’s ZBM2 zinc bromine batteries, which differ from lithium technology in that they are longer lasting, but take longer to charge and discharge.

The other type of flow battery on the market is based on vanadium-redox technology.

The deal involves Redflow providing its batteries free of charge, but emerging with IP developed in the creation of a large-scale energy storage system.

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