With its origins and central focus on solar PV, it is also no surprise that, alongside pure play energy storage and battery companies, the leading players of China’s solar market also use the event to signal their growing interest in battery energy storage system (BESS) technologies.
Here are a few of the companies that attendees saw last week in Shanghai, with their product launches, showcases and teasers:
CATL reveals sodium-ion product spec
The world’s largest lithium-ion (Li-ion) OEM offered first glimpses of the technical specifications for its emerging line of sodium-ion (Na-ion) BESS solutions.
CATL’s sodium-ion BESS container is scheduled for its first mass deliveries in Q3 2026. Using the same standard 20-foot container form factor as a typical Li-ion BESS enclosure, the product features 3.07MWh energy capacity, weighing around 47 tonnes.
