Standard valve-regulated lead-acid (VRLA) batteries can form ‘hard’ lead sulfate deposits inside the negative plate when operated continuously in a Partial State of Charge (PSoC) regime, unless given frequent refresh overcharge cycles.

The capacitor integrated in the UltraBattery® chemistry modifies the process associated with the formation and dissolving of sulfate crystals in the negative plate when charging and discharging. This enables the UltraBattery® to operate with high efficiency in Partial State of Charge use, and combined with the cycling endurance of the technology, results in an ability to process a much greater amount of energy in the device’s usable lifetime – a significant multiple over standard lead-acid technology. This capability is fundamental to the typical grid and renewables requirements for smoothing the variability and shifting of energy.

With its high cycling life, high conversion efficiency and low operating costs, UltraBattery® offers an economical $/kWh solution for whole of life for continuous regulation services and intermittency control. It is safe, recyclable and with virtually zero emissions the economic and environmentally sound alternative to conventional generation assets. The outperformance of UltraBattery® across a range of key performance parameters has been proven in multiple tests by Sandia National Laboratory, the Advanced Lead Acid Battery Consortium (ALABC), CSIRO, Furukawa Battery, East Penn Manufacturing and Ecoult.