Summary

Flux Power Holdings (NASDAQ: FLUX) is a Vista, California developer and manufacturer of lithium iron phosphate (LFP) battery packs for industrial material handling equipment — primarily electric forklifts, airport ground support equipment (GSE), and autonomous mobile robots (AMRs). Founded in 1998, the company shifted from lead-acid to lithium-ion replacement over the past decade and has built a recurring revenue business model around fleet battery management. FY2025 revenue was $66.4M (+9% YoY). Flux Power assembles battery packs at its Vista, CA facility, but the LFP cells themselves are sourced primarily from Chinese manufacturers — a supply chain structure common across the US industrial battery sector but relevant to the supply chain risk profile.

Key Facts

  • Founded: 1998
  • HQ: Vista, CA
  • Type: Public (NASDAQ: FLUX)
  • CEO: Krishna Vanka (since March 10, 2025; Ron Dutt retired November 2024–March 2025 transition)
  • Key products: LFP battery packs in 24V, 36V, 48V, and 80V configurations (S-, M-, L-, X-series); SkyLNK hardware (telematics); SkyEMS software (fleet battery management platform)
  • Revenue: FY2025 (ended June 30, 2025): $66.4M (+9% YoY); FY2024: $60.8M
  • Manufacturing: Vista, CA assembly facility; LFP cells sourced externally (primarily Chinese cell suppliers, not publicly specified)
  • End markets: Electric forklifts (primary), airport GSE, AMRs, industrial vehicles

What It Is / How It Works

Flux Power’s core product is the drop-in LFP battery replacement for lead-acid batteries in industrial equipment. Lead-acid batteries have dominated industrial lift truck fleets for decades; they are cheap, proven, and widely serviceable, but require regular watering, emit hydrogen gas during charging, have limited cycle life, and lose capacity significantly in cold warehouse environments. LFP batteries (lithium iron phosphate chemistry) eliminate the watering requirement, support opportunity charging (partial charges without damaging the battery), offer 2–3× cycle life, and maintain capacity better in cold storage environments. The transition from lead-acid to LFP in warehousing is ongoing across the US industrial fleet.

Flux Power’s value proposition over building LFP packs internally (as some large fleets do) is that Flux handles the battery management system (BMS) design, safety certifications (UL 2580, UL 9540 and similar), and warranty management, offering a turnkey replacement with known form factors for existing forklift models. The S-, M-, L-, and X-series packs span the voltage and capacity range needed for counterbalance forklifts (80V heavy-duty), reach trucks (48V), pallet jacks (24V/36V), and other warehouse equipment.

The SkyEMS software platform (cloud-based) and SkyLNK telematics hardware represent Flux Power’s push into software-defined battery management — tracking state-of-health, charge history, and utilization across a customer’s fleet, enabling predictive maintenance and fleet optimization. This creates a recurring software revenue stream on top of the hardware sales, improving lifetime value per customer account.

For AMR applications, Flux Power’s 48V and 80V packs are relevant to larger payload AMRs (heavy load carriers, autonomous forklifts) rather than the smaller 24V packs used in lightweight picking robots. The AMR segment is a growth area for Flux Power as autonomous material handling expands beyond conventional forklifts.

The supply chain reality is that Flux Power assembles packs in Vista, CA from LFP cells sourced from Chinese manufacturers. The specific cell suppliers are not publicly disclosed. This means the “made in USA” characterization of Flux Power packs requires clarification: the value-add engineering (BMS design, pack integration, testing, software) is US-based, but the primary energy storage component (cells) is Chinese-sourced. This is structurally similar to many US battery pack assemblers and is a known limitation in the supply chain’s US content.

Notable Developments

  • 2025-03: Krishna Vanka appointed CEO; most recently CEO of Fluence Digital (Fluence Energy, NASDAQ: FLNC). (Flux Power IR)
  • 2024-11: Ron Dutt announces planned retirement as Chairman and CEO after ~12 years leading Flux Power. (Flux Power IR)
  • 2025: FY2025 revenue $66.4M (+9% YoY); Q4 FY2025 revenue $16.7M (+25% YoY); SkyEMS platform adding ML/AI features. (Flux Power IR)
  • 2024: FY2024 revenue $60.8M; GSE segment growing with 6 new airline customer purchase orders totaling $6M+; ~$20M total GSE order pipeline.
  • 2024-08: Investor tours hosted at Vista, CA manufacturing facility — demonstrates US assembly location. (BusinessWire)

Key People

Krishna Vanka — CEO (since March 2025)

  • LinkedIn: Not found (no confirmed public profile at time of writing)
  • Education: Not publicly disclosed
  • Career (reverse-chronological):
    • Flux Power Holdings (Mar 2025–present): CEO
    • Fluence Digital (part of Fluence Energy, NASDAQ: FLNC): CEO (prior to March 2025)
    • Over 18 years in renewable energy, EV charging, IoT, fleet and asset management, telematics
  • Notes: Vanka comes from the energy storage software side of the industry (Fluence Energy is a major grid-scale energy storage company), which signals Flux Power’s intent to grow the SkyEMS recurring software revenue stream alongside hardware sales.

Ron Dutt — Former Chairman and CEO

  • LinkedIn: linkedin.com/in/rondutt
  • Education: University of North Carolina (BA Chemistry); University of Washington (MBA Finance)
  • Military: US Navy, Lieutenant (honorable discharge)
  • Career (reverse-chronological):
    • Flux Power (~2012–2025): Chairman and CEO
    • Aptera Motors: EVP/CFO
    • Fritz Companies DHL Americas: Executive role
    • Directed Electronics: EVP/CFO
    • SOLA International: CFO
    • Visa International: Finance role
  • Notes: Dutt led Flux Power through the transition from lead-acid replacement to LFP and built out the GSE and AMR market presence. Named Food Logistics 2017 “Rock Stars of the Supply Chain.”

People — Last Reviewed: 2026-03-31

Supply Chain Position

Flux Power operates at the Pack Assembly layer of the battery supply chain: it designs and assembles battery packs (BMS, housing, thermal management, connectors) from cells it procures externally. The cells are LFP chemistry, sourced from Chinese manufacturers (undisclosed). The BMS design, software, and UL safety certifications represent the proprietary engineering value-add. ⚑ Shared supply chain risk: Flux Power, Grepow/Tattu, and other US-selling battery pack assemblers all draw from Chinese LFP cell manufacturers (CATL, CALB, EVE, and similar); any export restriction or tariff increase on Chinese battery cells would impact the entire segment. A domestic US LFP cell source remains unavailable at commercial scale for industrial battery pack applications.

Claim Verification

Claim: LFP packs provide significantly better total cost of ownership vs. lead-acid in industrial applications

Status: Verified (in appropriate applications)

Supporting sources:

  • Flux Power product documentation and case studies — Company reports show 2–3× cycle life advantage and elimination of watering/maintenance costs vs. lead-acid
  • Industry publications on LFP vs. lead-acid warehouse economics confirm that opportunity charging, cold-environment performance, and longer cycle life favor LFP for multi-shift operations, though upfront cost premium exists

Refuting / questioning sources:

  • For single-shift, ambient-temperature, low-utilization applications, lead-acid may remain cost-competitive on a total cost basis given lower upfront purchase price; the LFP advantage scales with utilization intensity
  • Chinese cells supply chain creates tariff risk that could compress the Flux Power cost advantage vs. domestic alternatives

Summary: The LFP total cost of ownership advantage is well-supported for high-utilization industrial applications; supply chain risk from Chinese cell sourcing introduces pricing uncertainty.

Sources