Enphase Energy announced a partnership with SunPower that will allow the company’s IQ Battery 10C to be installed by SunPower’s nationwide network of solar installers, giving U.S. homeowners a compact, lithium‑iron‑phosphate storage option that can be financed through Palmetto’s LightReach program.
The IQ Battery 10C delivers 10 kWh of usable capacity, integrates microinverters directly into the battery pack, and is designed for easy installation behind the home’s existing solar array. Its lithium‑iron‑phosphate chemistry offers a long cycle life and a 10‑year warranty, positioning it as a reliable, low‑maintenance solution for residential customers seeking energy independence.
By adding the battery to its product lineup, SunPower can now offer a complete solar‑plus‑storage solution that meets growing demand for grid‑resiliency and lower electricity costs. For Enphase, the deal unlocks access to SunPower’s 1,200‑plus installer partners, potentially accelerating sales of the IQ Battery 10C and helping the company offset the expected revenue trough in Q1 2026 as it continues to restructure and cut operating expenses.
Enphase is slated to report Q4 2025 earnings on February 3 2026, with guidance of $310 million to $350 million in revenue and a non‑GAAP gross margin of 42%–45%. The partnership is expected to contribute to the upper end of that range by expanding the battery’s market reach. SunPower’s Q4 2025 revenue of $88.5 million, up from $70 million in Q3, reflects a similar trend of growth in its solar‑plus‑storage segment.
SunPower CEO T.J. Rodgers highlighted the battery’s compact size, lithium‑iron‑phosphate cells, and warranty as key features that will resonate with customers. Analysts who upgraded Enphase earlier in January noted that the partnership could help the company maintain profitability amid a broader industry shift toward integrated solar‑storage solutions.
The collaboration strengthens Enphase’s position in the residential storage market, countering a decline in its inverter market share and supporting its cost‑control initiatives. For SunPower, adding a proven battery platform enhances its value proposition, potentially driving higher installation volumes and customer retention in a competitive solar market.
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