ZincFive Raises $30 Million In Series F Funding Round

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ZincFive, a leader in nickel-zinc battery technology for data centers and mission critical power, closed an oversubscribed $30 million Series F funding round, aimed at scaling production amid surging AI driven demand. The round brings the company’s total funding to approximately $254 million since its 2016 founding, reflecting strong investor confidence in its sustainable, high performance battery solutions.

ZincFive’s Series F round underscores the growing intersection of AI infrastructure and clean energy storage. The $30 million infusion will primarily fuel production scaling for its nickel-zinc (NiZn) battery cabinets, which offer zero thermal-runaway risk, 96% recyclability, and support for high density AI loads. This follows the recent launch of its BC² AI product, tailored for dynamic data center power needs.

Founded in 2016 in Tualatin, Oregon, ZincFive specializes in NiZn batteries that provide immediate, high power backup for data centers, transportation, and industrial applications. Unlike lithium-ion alternatives, NiZn chemistry delivers superior safety, minimal maintenance, and a compact footprint, aligning with hyperscaler demands for reliable, eco friendly power. With over 90 patents and partnerships with OEMs like ABB, ZincFive has deployed solutions across global data centers, positioning it as a key enabler in the AI boom.

The round saw participation from a consortium of repeat investors focused on climate tech and industrials, highlighting ZincFive’s maturation from R&D to commercial scale. This capital injection accelerates U.S. manufacturing investments, strengthens supply chains, and supports fulfillment of multi gigawatt contracts with leading operators.

ZincFive’s latest financing milestone, a $30 million oversubscribed Series F round, marks a pivotal moment for the company as it capitalizes on the explosive growth in AI infrastructure. The round exemplifies how niche battery innovations are attracting capital amid global decarbonization and data center expansion pressures.

Round Structure and Key Metrics

The Series F round was oversubscribed, indicating demand exceeded the targeted amount and reflecting high investor enthusiasm for ZincFive’s trajectory. Key details include:

This round builds on ZincFive’s history of consistent fundraising, with the oversubscription signaling market validation beyond initial proofs of concept. CEO Tod Higinbotham emphasized in the announcement: “This funding milestone underscores both our commercial maturity and the massive market opportunity ahead. We’ve moved beyond proving our technology – we’re scaling to meet contracted demand from the world’s leading hyperscalers and data center operators.”

Historical Funding Trajectory

ZincFive’s funding journey illustrates a steady progression from seed stage innovation to growth focused scaling, with a cumulative total now at $254 million. Earlier rounds have layered in strategic debt and equity to support R&D, production, and market entry. A summary of major rounds is provided below:

Prior to Series F, ZincFive’s last major equity raise was the $54 million Series D, which accelerated high volume production. Debt rounds in 2024, including a $25.75 million option/warrant from OIC, provided non dilutive capital for facility expansions. The progression from $139 million (post Series D) to $254 million highlights accelerated investment post 2022, driven by AI tailwinds and regulatory pushes for sustainable backups.

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Investor Landscape

ZincFive’s backers form a diverse syndicate blending climate focused VCs, industrial strategics, and energy funds, underscoring the technology’s appeal across sustainability and performance axes. Core participants in the Series F include:

• Helios Climate Ventures: Repeat investor from Series D; Aspen-based firm targeting climate tech scalability.
• Climate Investment (CI): Focuses on low carbon innovations; longstanding supporter.
• Japan Energy Fund: Entered in 2022 via its Decarbonized Tech Fund; emphasizes Asia-Pacific energy transitions.
• General Ventures: Industrial tech specialist providing operational expertise.
• Clear Creek Investments: Early backer aiding supply chain resilience.

Other notable historical investors include Standard Industries, OGCI Climate Investments, Senator Investment Group, DBL Partners, and Gray’s Creek Capital Partners, bringing the total to over 16 institutions. This consortium’s repeat participation (e.g., Helios and Senator in multiple rounds) suggests alignment on ZincFive’s 90+ patents and field proven deployments. The absence of new leads in Series F implies a “friends and family” extension, prioritizing speed over fresh capital introductions.

Use of Proceeds and Operational Impact

Proceeds are earmarked for three interconnected priorities:

1. Manufacturing Expansion: Accelerating U.S.-based production to meet a pipeline exceeding 2 GW in NiZn battery cabinets. This includes dual sourced facilities for supply chain integrity, as announced in May 2024.
2. Commercial Scaling: Fulfilling contracts with hyperscalers (e.g., via OEM integrations like ABB) and penetrating new geographies. ZincFive’s BC² AI cabinet, launched pre funding, targets AI specific loads with 96% recyclability and zero thermal-runaway risk.
3. R&D and Sustainability: Enhancing chemistry for broader applications, including transportation and motive power, while maintaining low maintenance profiles (e.g., conductivity in depleted cells).

These investments position ZincFive to capture a slice of the $50+ billion data center UPS market, where NiZn’s advantages (wide temperature tolerance, compact design, and green credentials) differentiate it from lithium-ion incumbents facing fire risks and cobalt dependencies.

The timing of Series F aligns with explosive AI data center growth: global capacity is projected to double by 2030, driven by hyperscalers like AWS, Google, and Microsoft, who demand resilient, low emission backups. ZincFive’s NiZn tech addresses key pain points:

• Safety: UL-tested for thermal runaway immunity, critical post 2024 fire incidents in U.S. facilities.
• Sustainability: 96% recyclable, cobalt free, aligning with EU’s Battery Regulation and U.S. IRA incentives.
• Performance: High discharge rates for AI’s variable loads, with minimal degradation over a decade.

Competitors like ViZn Energy (venture backed, Montana-based) focus on similar NiZn UPS, but ZincFive leads with 2 GW deployed/contracted and OEM partnerships. Broader rivals (e.g., Eaton, Vertiv) rely on lead-acid or lithium, where ZincFive’s “Power of Good Chemistry” narrative gains traction amid ESG mandates. Recent X discussions highlight ZincFive’s innovations, such as the BC² AI system, as enablers for “zero emissions” data centers.

This round cements ZincFive’s shift from innovator to scaler, with CEO Higinbotham’s comments signaling a focus on execution over experimentation. Potential upsides include deeper hyperscaler integrations and international expansion (e.g., via Japan Energy Fund ties). Risks, such as raw material volatility or slower AI adoption, appear mitigated by diversified backers and contracted revenue.

Looking ahead, ZincFive could pursue Series G in 2026-2027 for IPO readiness or acquisitions (e.g., echoing its 2016 PowerGenix buy). Its role in AI’s “green backbone” positions it favorably, potentially valuing the firm at $500-800 million based on peer multiples (e.g., 10-15x revenue for cleantech scalers), though this remains speculative absent disclosures.

ZincFive’s Series F exemplifies how targeted funding can propel battery tech from niche to necessity, powering the AI era with safer, greener solutions. The company’s trajectory suggests sustained momentum, with investors betting on its ability to deliver on hyperscale commitments.

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