Battery cell prices fell to 47 dollars a kilowatt hour in 2026, and United States buyers still cannot reach that price

Why battery cell prices are so cheap now

Lithium iron phosphate, the battery chemistry used in most new grid scale storage projects, already carries the cheapest battery cell prices sold today, and those prices fell even further in 2026. A subsidiary of the state owned China Energy Engineering Group ran a tender, a public request for competing bids, on February 6, 2026, to buy 7 gigawatt hours of these cells for grid batteries, a gigawatt hour being 1,000 megawatt hours of stored electricity. Rongjie Energy won the largest of the 2 packages with a bid of 47 dollars per kilowatt hour, the unit that measures how much electricity a battery can hold and the standard way cell prices are quoted worldwide. That is the cheapest price from a real, named, dated transaction in the record. An annual battery price survey run by BloombergNEF recorded an even lower number earlier in the year, a single observed cell price of 36 dollars per kilowatt hour, but that was the lowest outlier across its entire global 2025 survey, not 1 checkable sale. Chinese manufacturers built more factory capacity than the world currently needs, a condition called overcapacity, and are competing hard enough on price to clear it. Evelina Stoikou, who leads the battery technology team at BloombergNEF, put it plainly.

Cut-throat competition is making batteries cheaper every year.

Evelina Stoikou, who leads the battery technology team at BloombergNEF. Source 2.

United States buyers cannot reach that price

None of this reaches a United States buyer at the Chinese price. Benchmark Mineral Intelligence, the analyst firm that built its own cell price forecast product, states that United States made lithium iron phosphate cells are forecast to cost 56% more than their Chinese equivalents in 2025, and to stay more than 40% above the Chinese price through 2030. The gap is not a manufacturing cost difference. It is a tariff, a tax the government charges on an imported good. Envision AESC became the first battery manufacturer in North America to begin commercial scale lithium iron phosphate production in 2025, retrofitting a factory in Smyrna, Tennessee, mainly to supply Fluence Energy, but 1 domestic factory line does not undo a tariff wall. The real story here is not 1 settled world price for a battery cell. It is the gap between how far Chinese overcapacity has pushed prices down and how far United States tariffs keep United States buyers from reaching that floor.

The squeeze already shows up in project revenue

That gap is already changing project economics for the people who build United States batteries. Michael Thomas, chief executive of Cleanview, a battery market analytics firm, says the battery cost line in a project budget rose from about 100 dollars per kilowatt hour in 2023 to about 130 dollars per kilowatt hour now, while the revenue those same projects can expect fell even further, from 192 dollars to 55 dollars per kilowatt of capacity. He points to California as the clearest case. Net annual battery revenue per kilowatt of capacity there fell from 103 dollars in 2022 to 78 dollars in 2023 and to just 53 dollars in 2024, a trend he attributes to lower prices during the hours a battery is built to sell power into. Thomas says the combination has forced developers to cancel 79 gigawatts of planned battery capacity nationwide in 2025, even as the raw material those projects run on gets cheaper everywhere else in the world.