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Gridtential Energy
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Developer of advanced technology to enable lead-acid batteries to meet grid scale energy storage requirements. Leveraging existing 500 GWh capacity of lead industry via licensing model. Six manufacturers signed as partners. Pilot line agmt signed.

Founded in 2010
Founded in

Company type Private Public ()
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Industry Group energy & power

Sector energy storage

TRL Range 7-8
TRL 1 Basic research
TRL 2 Technology formulation
TRL 3 Applied research
TRL 4 Small scale prototype
TRL 5 Large scale prototype
TRL 6 Prototype system
TRL 7 Demonstration system
TRL 8 First of a kind commercial system
TRL 9 Full commercial application
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Headquarters Santa Clara, CA Santa Clara, United States
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Updated by Cleantech Group on 08/17/2021

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Date Partner Type
10/21/2019
Crown Battery Manufacturing Crown Battery Manufacturing
Developing a Silicon Joule™ battery technology allowing batteries to deliver up to 5X the power density with up to a 40% weight reduction.
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Confirmed by Crown Battery Manufacturing
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Date Investors Type Amount
04/27/2021 1955 Capital 1955 Capital , Silicon Valley Bank Silicon Valley Bank , David Marquardt David Marquardt , Yumin Liu Yumin Liu , East Penn Manufacturing East Penn Manufacturing , Crown Battery Manufacturing Crown Battery Manufacturing , The Roda Group The Roda Group (7)
Post-money valuation of
The funding will support a new production line of advanced lead reference batteries, including the world’s first factory-ready single-block 24V deep-cycle lead battery.
Growth Equity $12,000,000
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Silicon Joule battery

12V battery based on Silicon Joule (tm) technology

 Pilot/Early Revenue License of Usage
$/kW (current)
$/kW (projected)
$/kWh (current)
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