Salt Battery

In English, "salt battery" specifically refers to an older battery technology using molten salt as the electrolyte, also known as a ZEBRA or sodium-nickel-chloride battery. This is a different technology from the sodium-ion batteries used in most modern battery storage systems.

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Technology & Safety

Battery Fire Safety

Battery fire safety encompasses all structural, technical, and organizational measures that minimize a battery storage system's fire risk and limit damage if…

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Fire Protection Concept
Technology & Safety

Energy Density

Energy density indicates how much energy a battery can store relative to its weight (gravimetric, in Wh/kg) or its volume (volumetric, in Wh/l).

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Gravimetric Energy Density, Volumetric Energy Density
Technology & Safety

Fire Safety Requirements (NFPA 855)

In the US, fire safety for battery storage systems is governed primarily by the NFPA 855 fire code and UL 9540A testing standard, which set requirements for…

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NFPA 855, Fire Code Compliance

Find the right sodium-ion system for your site.

PHENOGY Series 1
EU Configuration

PHENOGY Series 1

Plug & Play Sodium-Ion BESS: flexible, scalable, deployment-ready.

PY.FLEX AC
US Configuration

PY.FLEX AC

Sodium-ion storage system, ready to run.

PY.FLEX DC
US Configuration

PY.FLEX DC

The battery block, engineered for your architecture.

Further reading

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Scaling Smarter: How PHENOGY Is Moving into Series Production
Representatives of PHENOGY and HDAT at the announcement of their strategic partnership for battery storage
Article
Energy Market & Policy
Company & Team
12.10.2026

Scaling Smarter: How PHENOGY Is Moving into Series Production

Together with our partner HDAT, we are bringing battery energy storage systems to market.

Marcel Kloppenburg
Chief Marketing Officer