Gridtential Energy
Gridtential Energy, operating as SiliconJoule™, is a Santa Clara-based battery materials company that licenses a proprietary silicon-integrated AGM lead-battery technology to incumbent manufacturers and OEMs across energy storage, mobility, automotive, RV, reserve power and industrial markets.
- Company typePrivate
- Founded2010
- HeadquartersSanta Clara, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Gridtential Energy does
Gridtential Energy, now operating as SiliconJoule™, is a Santa Clara-based private materials and battery technology company founded in 2010 with 11–50 employees. The company has developed SiliconJoule™, an advanced AGM battery technology that integrates silicon wafer manufacturing techniques into conventional lead-acid battery architecture to deliver lithium-ion-like performance (1300W/kg power density, 2000+ cycle life, up to 5X dynamic charge acceptance, up to 35% weight reduction) while retaining the safety profile and unit economics of lead chemistry. The platform is marketed as a drop-in upgrade for existing lead-battery production lines, claiming ~80% equipment compatibility and avoiding the multibillion-dollar fab build-out associated with lithium-ion and next-generation chemistries.
The company serves a horizontal set of end-markets — residential and small-commercial energy storage, personal mobility (wheelchairs, e-bikes, scooters, golf carts), automotive 24V/48V start-stop and drive-assist, RVs, reserve power systems, and industrial equipment such as floor sweepers. Target customers are battery manufacturers (potential licensees) and OEMs that design in the cells. The go-to-market is sales-led and consultative: the company generates evaluation/reference battery requests through its corporate website and qualifies enterprise accounts via direct engagement.
Revenue mechanics center on hardware sales of reference batteries and, structurally, technology licensing to incumbent lead-battery manufacturers — several of whom (Crown Battery, East Penn Manufacturing, Leoch Battery, Power-Sonic) are also equity investors, creating an aligned licensee base. Pricing is quote-based and not publicly disclosed. Cumulative equity raised is approximately $30M across four rounds (2013–2021), with 1955 Capital as the most consistent lead investor. The company rebranded to SiliconJoule™ in March 2026 alongside a strategic expansion announcement and added a Director of Operations in June 2026, signaling a transition from R&D to early commercialization.
Gridtential Energy firmographics
Firmographics- Name
- Gridtential Energy
- Legal name
- Gridtential Energy, Inc.
- Website
- https://gridtential.com
- Company type
- Private
- Founded year
- 2010
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Gridtential Energy, operating as SiliconJoule™, is a Santa Clara-based battery materials company that licenses a proprietary silicon-integrated AGM lead-battery technology to incumbent manufacturers and OEMs across energy storage, mobility, automotive, RV, reserve power and industrial markets.
- Ownership category
- akta.pro rank
Gridtential Energy industry classification
Industry- Product category
- Advanced Battery Technology (AGM)
- NAICS
- Battery Manufacturing (33591), Battery Manufacturing (335910)
- SIC
- Electronic & Other Electrical Equipment (No Computer Equip) (3600)
- akta.pro primary industry
- Battery Cells (Li-ion, LFP, Sodium-ion, Lead-acid, NiMH) (IMAGAHAA)
- akta.pro secondary industry
- Battery Modules & Packs (Industrial/Commercial pack assembly) (IMAGAHAB)
Keywords
Where Gridtential Energy is headquartered
LocationHeadquarters
- HQ city
- Santa Clara
- HQ country
- United States
- HQ region
- North America
Markets served
Gridtential Energy business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Personnel, Operations, Marketing or Sales, Supply Chain
Revenue model
- SiliconJoule™ Battery Technology Licensing and Sales: Revenue generated through licensing of SiliconJoule™ technology to battery manufacturers and direct sales of reference batteries. The company enables manufacturing partners to produce batteries using existing factory infrastructure, creating a technology licensing and/or hardware supply revenue model.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
Gridtential Energy product offering
Product offeringCore offering
Gridtential Energy (SiliconJoule) develops and licenses SiliconJoule™, an advanced AGM battery technology that integrates silicon wafer manufacturing techniques into conventional lead battery chemistry. The technology delivers lithium-ion-like performance — 1300W/kg power density, 2000+ cycles, up to 5X dynamic charge acceptance, and up to 35% weight reduction — while retaining the safety profile and cost of lead-acid batteries. The company supplies reference/evaluation batteries directly and licenses the technology to battery manufacturers, enabling production on existing lines using 80% of existing equipment.
Product overview
SiliconJoule™ is the company's core advanced AGM battery technology platform that transforms conventional lead batteries into high-performance energy storage. The technology integrates silicon wafer manufacturing techniques into lead battery architecture, enabling 1300W/kg power density, 2000+ cycle life, and scalable 12-48V configurations. The company offers SiliconJoule™ as the primary technology product, with reference batteries available for evaluation. Applications span multiple vertical markets including Energy Storage Systems for residential/commercial, personal mobility (wheelchairs, scooters, golf carts), automotive (24V/48V systems), RVs, reserve power, and industrial equipment (floor sweepers).
Differentiator
Problem solved
Functional benefit
Brands
- SiliconJoule™ technology: Advanced AGM battery technology that transforms lead batteries into a safe, long-lasting, high-power energy source using silicon wafer technologies
Products and services
- SiliconJoule™ advanced AGM battery technology Proprietary advanced AGM battery technology that transforms conventional lead battery chemistry by integrating silicon wafer technologies. Delivers 1300W/kg power density, 2000+ cycle life, up to 5X dynamic charge acceptance, up to 35% weight reduction, and a scalable 12-48V simple-stacking architecture. Licensed to battery manufacturers for production on existing lines using 80% of existing equipment. Reference/evaluation batteries are available on request.
- SiliconJoule Energy Storage System (ESS) batteries Affordable, long-lasting renewable energy storage batteries for homes and small offices, providing lithium-ion-class performance without the fire hazards of lithium-ion chemistry.
- SiliconJoule mobility batteries (wheelchairs, scooters, e-bikes, golf carts) Battery configurations optimized for personal mobility vehicles, including wheelchair batteries that last well beyond Medicare replacement limits, fast-charging e-bikes and scooters, and golf cart batteries with longer range between charges.
- SiliconJoule automotive batteries (24V / 48V) 24V or 48V batteries for automotive drive-assist, start-stop, and infotainment systems, designed to help meet EV cost and mileage goals.
- SiliconJoule RV batteries Affordable, high-powered batteries for recreational vehicles designed to keep multiple RV systems running longer and more reliably.
- SiliconJoule reserve power system batteries Reliable backup power batteries for critical infrastructure reserve power applications, offering long-lasting, affordable energy storage without lithium-ion fire hazards.
- SiliconJoule industrial floor sweeper batteries Industrial floor sweeper batteries with extended cycle life that reduces replacement frequency and total cost of ownership for commercial cleaning equipment operators.
Quantifiable outcome
- 4X longer cycle life compared to AGM batteries (2000+ cycles)
- +4 more outcomes
Companies that use Gridtential Energy
Customer profileSegments4 records
Ideal customer profiles2 records
Gridtential Energy technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Gridtential Energy partnerships and signals
Strategic signalRecent moves7 records
Expansion highlights5 records
Gridtential Energy competitors and assessment
Company assessmentDirect peers
- EnerSys: Global leader in industrial batteries (motive power, reserve power, aerospace/defense) with deep AGM/lead-acid expertise. Directly comparable as a high-power battery specialist serving mobility, forklift, and reserve-power verticals where SiliconJoule targets 4X cycle-life gains.
- Leoch Battery: Global lead-acid and lithium battery manufacturer and SiliconJoule investor. Comparable as a multinational battery producer with the scale and channel access needed to commercialize SiliconJoule across mobility, automotive, and reserve-power markets.
- Crown Battery: Family-owned industrial lead-acid battery manufacturer and SiliconJoule investor. Comparable as a deep-cycle and AGM battery producer whose production lines could be converted to SiliconJoule chemistry with minimal capex.
- Power-Sonic Corporation: Sealed lead-acid (AGM and gel) battery manufacturer and SiliconJoule investor. Comparable as a mid-sized AGM specialist whose product roadmap and channels align with SiliconJoule's mobility, reserve-power, and industrial applications.
- East Penn Manufacturing: One of the world's largest privately held lead-acid battery manufacturers and an existing SiliconJoule investor. Directly comparable because it operates the type of AGM/lead-acid manufacturing infrastructure that SiliconJoule's technology is designed to plug into, and could become a primary licensee or commercial partner.
- Trojan Battery Company: Leading manufacturer of deep-cycle lead-acid batteries for golf carts, RVs, floor machines, and renewable energy. Directly comparable because SiliconJoule explicitly targets these exact end-markets with a longer-cycle-life AGM alternative.
Emerging players
- ESS Inc. Maker of iron flow batteries for utility-scale and commercial energy storage. Comparable as a venture-backed next-gen storage company pursuing safety-and-cost advantages versus lithium-ion for stationary applications — the same value proposition SiliconJoule offers in lead-acid form.
- Form Energy: Developer of iron-air batteries for long-duration stationary storage, backed by significant venture capital. Comparable as an emerging alternative-chemistry storage company targeting the residential and grid ESS market that SiliconJoule also addresses.
Broad incumbents
- GS Yuasa: Japanese global battery manufacturer with broad lead-acid and lithium-ion portfolios across automotive, industrial, and reserve power. Comparable as a diversified incumbent exploring next-gen chemistries that could compete with or license similar silicon-enhanced lead technology.
- Clarios: World's largest automotive battery manufacturer (formerly Johnson Controls Power Solutions), producing ~150M batteries annually. Comparable as the dominant lead-acid incumbent whose installed base and OEM relationships set the competitive baseline SiliconJoule must beat on cost and performance.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Gridtential Energy social profiles
Digital presenceGridtential Energy financial estimates
Financial estimateRevenue estimate
Valuation estimate
Gridtential Energy leadership team
Management profileNumber of profiles
Profiles5 records
Gridtential Energy funding detail
Funding detailFunding overview
Funding rounds4 records
Investors8 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Gridtential Energy M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Gridtential Energy
What does Gridtential Energy do?
Gridtential Energy (SiliconJoule) develops and licenses SiliconJoule™, an advanced AGM battery technology that integrates silicon wafer manufacturing techniques into conventional lead battery chemistry. The technology delivers lithium-ion-like performance — 1300W/kg power density, 2000+ cycles, up to 5X dynamic charge acceptance, and up to 35% weight reduction — while retaining the safety profile and cost of lead-acid batteries. The company supplies reference/evaluation batteries directly and licenses the technology to battery manufacturers, enabling production on existing lines using 80% of existing equipment.
Is Gridtential Energy a public or private company?
Gridtential Energy is a private company. It is classified as venture growth investor backed and is currently operating.
When was Gridtential Energy founded?
Gridtential Energy was founded in 2010. It employs 11 to 50 people.
Where is Gridtential Energy based?
Gridtential Energy is headquartered in Santa Clara, United States, in the North America region.
How does Gridtential Energy make money?
One revenue line is on record: siliconJoule™ Battery Technology Licensing and Sales.
Who are Gridtential Energy's main competitors?
Direct peers on record are EnerSys, Leoch Battery, Crown Battery, Power-Sonic Corporation, East Penn Manufacturing and Trojan Battery Company. Emerging players are ESS Inc. and Form Energy. Broad incumbents are GS Yuasa and Clarios.
Does Gridtential Energy have an API?
No public API is recorded for Gridtential Energy.
What industry is Gridtential Energy in?
Gridtential Energy's product category is Advanced Battery Technology (AGM). Its primary akta.pro industry code is IMAGAHAA, Battery Cells (Li-ion, LFP, Sodium-ion, Lead-acid, NiMH), with a secondary code of IMAGAHAB, Battery Modules & Packs (Industrial/Commercial pack assembly). Its NAICS code is 33591 and its SIC code is 3600.