From ESS News
Chinese energy storage specialist Hithium has used its annual Eco Day event to unveil a trio of innovative products: a 6.25MWh lithium-ion battery energy storage system (BESS), a specialized sodium-ion battery for utility-scale energy storage, and an installation-free home microgrid system.
Hithium recently introduced its ∞Pack+ full-scenarios high-capacity energy storage platform. The manufacturer said its five key advantages include high-capacity, standardization, platformization, scenario-based, and maintainability.
Based on this platform, Hithium launched the ∞Power 6.25MWh BESS, which can be configured to two or four durations. In the 2-hour BESS scenario, the battery cell is 587Ah, while in the 4-hour BESS scenario, it is 1175Ah. Furthermore, both scenarios would work with Hithium BESS, which is tailored for desert applications.
The 1175Ah cell is highest capacity lithium iron phosphate (LFP) battery cell unveiled to date and planned for mass production. At its first Eco Day held last December, Hithium showcased the industry’s first lithium iron phosphate (LFP) battery cell breaking the 1000 Ah barrier.
At the time, the “MIC 1130Ah” cell was described as the first LFP battery cell designed for long-duration storage of four to eight hours. “We are offering the same guarantees in terms of safety and reliability as for our 314 Ah product,” a company representative told ESS News earlier this year. “However, on a 20-foot container level, the deployment of the new MIC series will translate into 15% cost savings, while offering more than 6 MWh of storage capacity.” The company said it expects to start mass producing the new cell type in Q3 or Q4 2025.
Now, the manufacturer says that the global delivery of ∞Power 6.25MWh 2h/4h BESS will begin already in Q2 2025, signalling a faster than expected shift to large capacity cells.
Finally, Hithium also pursues an alternative approach to system integration by decoupling the system components including power, thermal management, control, fire safety, and output, in a shift it describes as “loose coupling”. “This innovative approach will unlock new possibilities for energy storage systems and foster a new industry ecosystem,” the manufacturer said.
Sodium-ion cell for utility-scale energy storage
Just as a number of other Chinese battery industry heavyweights, Hithium has also been working on its sodium-ion products. It used the event on Thursday to unveil its ∞Cell N162Ah, specifically designed for utility-scale energy storage.
This product focuses on polyanionic cathode paired with hard carbon anode, incorporating advanced materials such as homogeneous high conductivity coatings, hard carbon anode, and, weak bonding electrolyte formula. “It achieves a cycle life of over 20,000 cycles and delivers superior performance in a wide temperature range, with high-rate capability, high round-trip efficiency, superior safety, and a state of health (SOH) of 70%,” the manufacturer said without providing full specs.
The ∞Cell N162Ah is now available for global sampling, with GWh mass production planned for Q4 2025.
Installation-free home microgrid system
Hithium also launched HeroES, its first installation-free home microgrid system. The consits of a smart storage module (Storage series) and a smart control module (SynergyBox). The plug-and-play system requires only 30 minutes to install. According to the manufacturer, this makes it “10 times faster to install than traditional systems” and reduces the installtion costs to a third.
HeroES is equipped with Hithium’s ML-powered algorithm, which can improve home energy efficiency by 10%, the manufacturer says. The global delivery of HeroES is set to begin in Q3 2025.
Founded in 2019, Hithium has shipped more than 40 GWh of BESS products (cells, systems, and others), ranking as the Tier 1 BESS supplier. Unlike most other big Chinese players, Hithium is focused solely on energy storage products and does not develop batteries for electric vehicles.
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