Q4 Revenue Surge
Non-GAAP Q4 revenue of $334M, up 70% year-over-year and slightly down quarter-over-quarter, outperforming the typical seasonal decline (normally -10% to -15%).
Full-Year Revenue Growth and Turnaround
2025 revenue grew 30% year-over-year; company describes 2025 as a successful stabilization year and the first step in its turnaround.
Gross Margin Expansion
Non-GAAP gross margin expanded to 23.3% in Q4 from 18.8% in Q3 (increase of ~4.5 percentage points), marking the fifth consecutive quarter of margin expansion and a recovery from negative margins in 2024 to ~23% in Q4 2025.
Free Cash Flow Turnaround
Generated $43M of free cash flow in Q4 and $77M for full-year 2025 versus negative $421M in 2024 — a swing of approximately $498M year-over-year.
Operating and Net Loss Improvements
Non-GAAP operating loss improved to $11.0M in Q4 from $23.8M in Q3 (reduction of ~53.8% QoQ). Non-GAAP net loss improved to $8.2M ($0.14/share) from $18.3M ($0.31/share) in Q3 (reduction of ~55% QoQ).
Strong Cash Position
Cash and equivalents of approximately $581M as of Dec 31, 2025, up ~$34M in Q4 (driven by the $43M quarterly free cash flow and working capital discipline).
Market Share Gains and Battery Momentum
Increased U.S. market share across residential, commercial and storage; became #2 supplier for residential batteries in the U.S. in Q3 2025. Company reported U.S. revenues of $198M (59% of sales).
Product Innovation and Nexis Rollout
Launched Single SKU concept and began shipping initial units of the Nexis platform (launch event March 19, 2026 in Germany). Nexis highlighted for lighter footprint, modularity, improved install/commissioning times, serviceability and industry-leading 185A LRA for U.S. batteries.
U.S. Manufacturing Progress
Continued ramp of U.S. manufacturing, serving domestic demand and starting exports late in the year; U.S.-made product mix cited as a driver of higher Q4 gross margin.
AI Data Center Opportunity
Identified multi-billion-dollar addressable opportunity targeting 800V DC AI data center architecture; developing a solid-state transformer (SST) topology to convert 34.5kV to 800V DC with >99% efficiency, engaging ecosystem partners and customers with expected revenue not before 2027 (industry ramp 2028).