New battery system from Stellantis: More performance, range, and space

E-Drive Integrated Battery System Provides More Space and Range

2025-09-24 From sp-x | Übersetzt von KI 2 min Reading Time

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When a car manufacturer promises improvements in all areas with a new system, caution is definitely advised. However, a new battery system from Stellantis attracts attention.

Stellantis has developed a new battery system.(Image: Stellantis) — Stellantis has developed a new battery system.
(Image: Stellantis)

More range, faster charging, higher performance, and more space in the electric car are what a new battery system from Stellantis is supposed to deliver. In just over five years, the first models from various brands of the multinational group are expected to hit the market with it.

The inverter is an indispensable component in an electric car, together with the onboard charger. Both convert the direct current from the battery into alternating current, which every electric motor needs for propulsion. Disadvantage: These components take up a lot of space in the lower section of the electric vehicle. Together with partner companies and universities, Stellantis has now developed the new "IBIS" system. Here, both previously separate devices move into the battery, thus taking up less valuable space that, for instance, designers require for their work.

Initial Tests Show Good Results

With a prototype based on the Peugeot-SUV E-3008, the French are now sending the first car with the new system onto the roads for practical tests. The initial data is promising: measurements recorded ten percent higher energy efficiency (i.e., lower power consumption) and 15 percent more charging performance: 175 kW instead of 150 kW in the current production model.

The devices, previously separate and now hidden in the battery body, reduce the vehicle's weight by a remarkable 40 kilograms. The 17-liter increase in volume in the underbody is important for the design. Among other things, it allows for a flatter hood, improving aerodynamics.

Compensate for Failures at the Cell Level

As an additional advantage, Peugeot cites easier maintenance. For example, if one of the battery cells fails, it is simply bypassed during operation, allowing the electric car to continue driving without noticeable loss of performance. In the workshop, the defective cell can be replaced more quickly than is currently possible. Good news for future customers: if individual cell modules in the battery lose performance over time, they can be replaced with new cells, extending the car's lifespan by several years.

The Ibis system can work with various charging stations or wall boxes. Additionally, charging times are reduced. The new system also offers advantages for workshops. Mechanics are expected to safely open the battery packaging for maintenance work. This also increases safety in vehicle production.

The French remain tight-lipped about which models in the Stellantis family will be the first to benefit from the new battery system. However, it is considered certain that the SUV models from Peugot (E-2008 to 5008) as well as the sister models from Opel (Grandland) or the premium brand DS will be included.

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Date: 08.12.2025

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