
Solid-State Batteries Stocks to Own in September 2026: 3 Names
Three solid-state battery stocks, spanning different business models, are assessed in a September 2026 countdown.
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Three solid-state battery stocks, spanning different business models, are assessed in a September 2026 countdown.

ProLogium, a Taiwan-based solid-state battery maker, is going public via a merger with Translational Development Acquisition Corp. (TDAC), with the combined company expected to list on Nasdaq as PRLG in H2 2026. The bull case is a rare public pure-play on next-gen batteries; the bear case is classic de-SPAC dilution, redemption risk, and execution risk at a still-early commercialization stage.

ATII Holdings is going public through a merger with Archimedes Tech SPAC Partners II Co. (ticker ATII), with the combined company expected to trade as NANO. The bull case is a strategic AI-chip and battery materials platform backed by Samsung SDI; the bear case is a still-early business facing redemption risk, dilution, and a going-concern warning.
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