Battery manufacturers and EV groups accelerate supply agreements to secure long-term lithium supply amid market volatility

Battery makers and electric vehicle groups are accelerating long-term supply agreements as they try to protect gigafactory output from the next swing in lithium markets. What had once been a narrow procurement issue has become a strategic priority for manufacturers, miners and financiers alike, because cell factories can only scale if the flow of battery-grade materials is secured years in advance.

That dynamic is visible in a series of recent contracts. Battery Tech reported that American Battery Factory has locked in binding offtake agreements for cathode, anode and precursor chemicals from its planned Tucson site, a 1.2 million square foot plant designed for 30GWh of annual lithium-ion cell production. The company said the arrangements cover more than 20,000 metric tonnes of cathode active materials over the first five years and involve EV makers as well as stationary storage integrators looking for lower-carbon inputs.

In another sign of the same trend, the US government confirmed that Tesla is the unnamed buyer behind LG Energy Solution’s $4.3bn supply deal, as reported by pv magazine USA and Electrek. The agreement centres on LFP cells to be made in Michigan from 2027, with output directed towards Tesla’s next-generation Megapack 3 systems in Houston. The deal underlines how manufacturers are increasingly trying to anchor their supply chains within North America, both to reduce exposure to Chinese imports and to improve resilience.

Europe is following a similar logic. Stellantis has previously signed a binding lithium agreement with Vulcan Energy for battery-grade lithium hydroxide in Europe, with deliveries due to begin in 2026 under a five-year arrangement. The deal, announced by Stellantis, is part of a wider effort by carmakers to lock in raw materials before the market tightens again and before domestic battery programmes face feedstock shortages.

The broader commercial pattern is clear: off take agreements are no longer just sales contracts, but financing tools and strategic shields. For junior miners, a credible customer can help unlock project funding and materially improve valuation. For automakers and battery groups, the attraction is certainty on volume, price and provenance in a market that has repeatedly proved volatile.

That is especially important in lithium, where demand from grid storage and electric mobility still rests heavily on lithium-ion chemistry despite interest in alternatives such as sodium-ion. The pace of factory build-outs continues to outstrip the speed at which new mines and processing plants can be brought online. In that environment, a secured supply deal is often the difference between a project that can be financed and one that remains speculative.

The shift is also being driven by policy. Governments in the US and Europe have made battery supply chain security a headline industrial objective, with public support increasingly favouring projects that can show domestic or allied sourcing. That has made locally anchored supply agreements more valuable, and more competitive, as companies race to prove they can meet future demand without relying entirely on spot markets.

Yet investors are right to look beyond the headline value of each announcement. Contract terms can vary sharply, including pricing formulas, minimum volumes, escalation clauses and the credit strength of the buyer. A deal with a large, established manufacturer offers a very different risk profile from one tied to a newer company still trying to prove its balance sheet.

There is also a cyclical risk that should not be ignored. If mine development catches up with demand faster than expected, lithium prices could soften, altering the economics of agreements struck in a tighter market. The long-term case for electrification remains intact, but the route there is unlikely to be smooth.

For industrial decarbonisation investors, the message is straightforward: the most important battery deals are increasingly being signed before production starts, not after. In a sector built on scale, the real prize is not just capacity, but certainty.