China's 4MWh sodium-ion battery system targets 30-year grid storage life

HiTHIUM unveiled the ∞Power N4.0MWh system using ∞Cell N785Ah sodium-ion cells with 20,000 cycles and a 30-year lifespan. Full production and deliveries are planned for 2027, and the system is compatible with an existing 1000 Ah lithium line.

• ∞Cell N785Ah rated for 20,000 cycles and 2-8 hour storage
• State-of-charge accuracy within 2.5%, works with 800-1500 V converters
• System footprint 30% smaller, 24-hour efficiency above 88%
• Combined cooling cuts auxiliary power 30%, standby 50%