
Allegro Energy When one door redox flow battery startup closes [1], another one opens: with zinc-bromine flow battery company Redflow having closed down within the past year, another Australian RFB startup emerges [2]; [3]. I am attempting the 100 Days To Offload challenge, and this is post #20. References [1] Redflow was the great hope of australian manufacturing. Its collapse left customers with broken batteries, (n.d.).