Performance

High-performance storage: Efficiency across every environment

Alsym’s Na-series NFPP+ technology delivers a 20-year service life and makes multiple cycles a day possible. Capable of >95% round-trip efficiency, the system is also deployable across extreme temperatures (-40°C to 60°C) without the need for active HVAC. This provides a more reliable solution for utility-scale, industrial, and microgrid applications that need to manage extraordinary ambient temperatures.

Beyond the comfort zone: Thermal resilience explained

Safety by Design

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October 22, 2025

Alsym Energy launches Na-Series, claiming safe, low-cost sodium-ion battery storage

October 20, 2025

Alsym unveils Na-Series sodium-ion batteries

October 15, 2025

New “Salt Battery” Proves Energy Storage Exists, Again

October 14, 2025

Alsym Thinks It Can Break the U.S. Battery Manufacturing Curse

October 14, 2025

Alsym Energy ready to scale Massachusetts-developed sodium-ion battery cell

October 14, 2025

Alsym Energy Announces Na-Series: Safe, High-Performance Sodium-Ion Batteries for Energy Storage

April 24, 2025

Healey-Driscoll Administration Awards More Than $3.7 Million to 23 Massachusetts Manufacturing Companies

April 21, 2025

From crisis to opportunity: Rebuilding cities with safer energy

From crisis to opportunity: Rebuilding cities with safer energy

From crisis to opportunity: Rebuilding cities with safer energy