Basics

A Company offering Renewable Power Plant / Grid Level Electricity Storage solutions
They use modular, large FES modules
Supposedly only steel (need to see what ally etc)
30 year designed lifespan
"fully recylcable"
need to see vacuum vs slight postisive pressure (for ease of leak prevention) hydrogen (may be easier than a hard vacuum, especially long term/low tech

Amber Kinetics is currently selling the M32 in packages of 16 M32s (128 kW / 512 kWh)

Specs

Capacity: 32 kWh of energy
86% "round trip efficiency"
Rotor Mass: Two-Ton Steel Rotor (metric or imperial ton? , also what alloy/steel type etc?)
DC Input-Output Voltage 550 Vdc – 750 Vdc
Self Discharge <100 W Average over SOC range (1/320 of total capacity or ~0.3125% (seems somewhat comprable to the 1-5% lion Self Discharge ? )
Auxiliary Power (120-240Vac) <55 W (coasting), <140 W (active) ****
Full Power Response Time <1 second"
External Dimentions 52” x 54” (h x d) (includes electronics housing)
System Weight: ~4,762kg (10,500 lbs)