Key Takeaways:
China's phased battery consumption tax will widen the profitability gap between market leader CATL and smaller rivals, accelerating sector consolidation.
China will impose a 2% consumption tax on lithium batteries from September, rising to 4% a year later, a policy that Goldman Sachs says will disproportionately hit smaller producers while leaving Contemporary Amperex Technology Co. Ltd. relatively unscathed.
"Under a scenario where half the tax burden can be passed on, earnings downside for second- and third-tier battery makers would reach 8% to 41% over 2026 to 2028," Goldman Sachs analysts wrote in a research report. "If the tax cannot be passed on at all, the downside would widen to 15% to 82%."
CATL, the world's largest battery maker, faces just 1% to 6% earnings downside under the 50% pass-through scenario and 2% to 13% even if it absorbs the full levy, Goldman said. The resilience stems from overseas revenue exceeding 30% of total sales and unit net profit of 109 yuan per kilowatt-hour in 2025 — surpassing the combined total of all domestic peers.
The policy, announced Friday by Chinese authorities, applies to primary lithium batteries and lithium-ion batteries. The graduated structure — 2% starting September 2026 and the standard 4% from September 2027 — gives manufacturers a 14-month window to adjust pricing and supply chains. For China Aviation Lithium Battery Co. and REPT BATTERO Energy Co., the tax could erase a significant portion of already-thin margins, potentially accelerating market share gains for CATL.
CALB and REPT BATTERO, which rely more heavily on the domestic Chinese market and operate with lower unit profitability, are most exposed. Under the 50% pass-through scenario, Goldman estimates earnings downside of 8% to 41% for both companies during 2026 to 2028. If they cannot pass on any of the tax, the hit swells to 15% to 82%.
The disparity reflects a structural advantage for CATL. Its 2025 unit net profit of 109 yuan per kilowatt-hour — more than all other Chinese battery makers combined — provides a cushion that smaller rivals lack. CATL's overseas operations, which contribute more than 30% of revenue, also shield it from the full impact of a China-specific tax.
The policy is expected to accelerate a shakeout in China's fragmented battery sector, where dozens of producers compete for market share in the world's largest electric vehicle market. CATL already commands roughly 45% of the domestic market, according to industry data, and the tax burden could push smaller players toward unprofitable territory.
For investors, the divergence creates a clear bifurcation: CATL's relative insulation supports its premium valuation, while CALB and REPT BATTERO face earnings uncertainty that may compress their multiples further. The next milestone is September 2026, when the initial 2% rate takes effect, followed by the full 4% rate in September 2027.
This article is for informational purposes only and does not constitute investment advice.
