GM’s new battery bet could make electric vehicles thousands cheaper

General Motors is trying to solve one of the biggest problems facing electric car buyers: price.

Inside two modest white buildings at its Warren Technical Center, outside Detroit, the company is working on a battery that could make future electric vehicles thousands of dollars cheaper. The project is central to GM’s wider $900m investment in electric vehicle battery technology.

The goal is simple but difficult: build batteries that cost less without sacrificing the driving range customers expect.

For many drivers, the battery remains the most expensive part of an electric vehicle. That cost keeps many EVs out of reach, especially for families comparing them with petrol or diesel models.

GM believes a new battery chemistry, known as lithium-manganese-rich, or LMR, could help change that.

The company says LMR batteries could offer nearly the energy density of today’s more expensive nickel-manganese-cobalt batteries. At the same time, they could come closer to the lower cost of lithium-iron-phosphate batteries, which are often used in cheaper EVs.

That balance matters because customers want affordability, but they do not want to lose range.

In a vehicle such as the Chevrolet Silverado EV, GM believes LMR technology could preserve much of the truck’s 400-plus-mile driving range. It could also cut battery costs by at least $6,000.

That kind of saving could be important for the wider EV market. It could help bring electric trucks and SUVs closer to the price of comparable petrol-powered vehicles.

The work is taking place inside GM’s new Battery Cell Development Center. The facility is designed to bridge the gap between early laboratory success and full-scale factory production.

This is where many battery ideas fail. A chemistry that works in small batches may not work when a company tries to produce it in millions of cells.

GM’s challenge is not only to discover a cheaper battery. It must also prove that the battery can be manufactured at scale, safely, consistently and profitably.

The new centre can produce about 2,500 battery cells a day. That gives engineers enough volume to test production methods before moving them into larger plants in Tennessee and Ohio.

For GM, this could save both time and money. A production test at the development centre reportedly costs about $200,000, far less than running the same experiment at a full gigafactory.

The company also says the site could help bring cheaper batteries to market about a year earlier than previously planned.

Kurt Kelty, GM’s vice president of battery and sustainability, has described LMR as a core part of the company’s future EV strategy. He called it GM’s “bread and butter” and its likely “main product line”.

His comments show how important the chemistry has become to GM’s electric plans.

The company has faced pressure in the EV market, where growth continues globally but customer demand has become more price-sensitive. Automakers are now being forced to make electric cars more affordable, practical and profitable.

Battery cost is at the centre of that fight.

GM is also using artificial intelligence and advanced computer modelling to speed up development. The company says it has spent more than 150 million CPU hours simulating LMR chemistry.

It has also built a digital version of the entire development centre. This digital twin includes details such as wiring and mixing systems, allowing engineers to detect problems before they affect production.

That matters because battery manufacturing is complex. Small changes in materials, mixing, coating or drying can affect quality, safety and performance.

The centre is therefore more than a research building. It is a proving ground for GM’s next generation of batteries.

If the company succeeds, LMR-powered vehicles could reach the road by 2028.

For drivers, the benefit could be clear. Cheaper batteries may lead to cheaper EVs, while still offering strong range and everyday usability.

For GM, the stakes are even higher. The company is trying to prove that it can compete in an EV market shaped by cost pressure, Chinese battery dominance and fast-changing customer expectations.

The plain buildings outside Detroit may not look dramatic. But inside them, GM is working on a technology that could decide how affordable its electric future becomes.

Read also: GM pauses $3.5bn Indiana battery plant as EV demand pressure grows