The round was led by 1955 Capital with participation from Silicon Valley Bank, August Capital cofounder David Marquardt, ReneSola CEO Yumin Liu and existing investors East Penn Manufacturing, Crown Battery and the Roda Group joining as well.

Gridtential is the creator of Silicon Joule™, breakthrough advanced AGM battery technology that provides a lower-cost, safer, greener alternative to lithium-ion. Inspired by solar technology, Silicon Joule dramatically improves power density, discharge rate and cycle life while reducing weight by 30%, delivering superior performance for deep-cycle and power applications including personal electric vehicles, renewable energy storage systems and hybrid automotive.

Gridtential Energy provides Silicon Joule™ reference batteries, development kits, bipolar materials and non-exclusive licenses, enabling manufacturing partners to easily adapt their factories to provide high-performing, higher voltage 24V, 36V & 48V batteries to their customers for the hybrid-automotive, Low-Speed EV (LSEV), energy storage system (ESS) & telecom backup markets, all without gigascale capital investments.