SES · 2170-58E · United States · 2026
Explore the SES 58E lithium-ion cylindrical 21700 battery cell including capacity, mass, energy density and performance data. Compare specifications and simulate battery behaviour using validated models in the Voltt.
298Wh/kg
298W/kg
Top-level spec data shown here is directly from the manufacturer. Modelled and experimental metrics - including energy density, power density, TEL and discharge curves - are available through our simulation tools.
Other Cylindrical 21700 cells with comparable specific energy and power.
Same form factor. Nearest neighbours by energy and power density.
SES AI is a US battery company headquartered in Woburn, Massachusetts, with a Korean production facility in Chungju. It builds AI-optimised silicon lithium-ion and lithium-metal cells, now focused on NDAA-compliant, high-energy-density cells for drones in energy, balanced and power designs. Cells come in 21700 cylindrical and pouch formats, with AI-driven materials discovery as its main differentiator.
Explore other battery cells in the Voltt database
Explore other cellsSES · 2170-58E · United States · 2026
Explore the SES 58E lithium-ion cylindrical 21700 battery cell including capacity, mass, energy density and performance data. Compare specifications and simulate battery behaviour using validated models in the Voltt.
298Wh/kg
298W/kg
Top-level spec data shown here is directly from the manufacturer. Modelled and experimental metrics - including energy density, power density, TEL and discharge curves - are available through our simulation tools.
Other Cylindrical 21700 cells with comparable specific energy and power.
Same form factor. Nearest neighbours by energy and power density.
SES AI is a US battery company headquartered in Woburn, Massachusetts, with a Korean production facility in Chungju. It builds AI-optimised silicon lithium-ion and lithium-metal cells, now focused on NDAA-compliant, high-energy-density cells for drones in energy, balanced and power designs. Cells come in 21700 cylindrical and pouch formats, with AI-driven materials discovery as its main differentiator.
Explore other battery cells in the Voltt database
Explore other cells