Honeywell Debuts Flow Battery For Formal Testing, 12 Hours Power Discharge Promised Updated On Wed, Oct 27th, 2021 by Saurenergy US-based multinational Honeywell has announced the development of a new flow battery for providing long duration power of up to 12 hours. The firm says the technology will be first tested by US utility major Duke Energy in a 400kWh system configuration in 2022, before being scaled upto a 60MWh pilot project by 2023. The […] Read more