ONE Gemini Dual-Chemistry Battery Tested In A BMW iX; Achieves 978.6 Km Range On A Single Charge

Our Next Energy Inc. (ONE), a Michigan-based energy storage company, has officially disclosed that its Gemini dual-chemistry battery has demonstrated an impressive range of 978.6 kilometers when tested in a BMW iX. This examination adhered to the Worldwide Harmonized Light Vehicle Test Procedure (WLTP), a widely recognized European standard for assessing the range capabilities of fully electric vehicles.


  • ONE’s Gemini dual-chemistry battery has achieved a range of 978.6 km in a BMW iX.
  • This test was conducted under the Worldwide Harmonized Light Vehicle Test Procedure (WLTP).
  • The Gemini battery integrates two distinct cell types, Lithium Iron Phosphate and high energy density anode-free cells.

The distinguishing feature of the Gemini battery lies in its innovative dual-chemistry design, strategically combining two distinct cell types to optimize both efficiency and range. Specifically, the battery employs Lithium Iron Phosphate (LFP) cells, with a capacity to cover 241 kilometers, for everyday commuting needs. In instances requiring extended journeys, high energy density anode-free cells come into play, contributing an additional 724 kilometers to the overall range. This seamless transition between cell types is facilitated by ONE’s DC-to-DC converter, ensuring optimal management of the battery’s capabilities.

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The integration of these technologies enables the Gemini battery to deliver an extended range while fitting within the confined space of 300-400 liters typically reserved for energy storage in electric vehicles.

Our Next Energy Inc. has announced its entry into a phase focused on refining the system for its forthcoming commercial release. Key areas of improvement include enhancing the efficiency of the DC-to-DC converter, refining control algorithms to optimize the utilization of range extender cells, and engaging in comprehensive battery validation and cell development processes.

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Mujeeb Ijaz, the CEO and founder of ONE, emphasized the critical role of extended range in driving mass adoption of electric vehicles, stating, “Electric vehicles will achieve mass adoption when they offer enough range that people will feel comfortable having an EV as their only vehicle. The Gemini battery has proven it can double the range of EVs and break down the biggest barrier to electrification.”

Jürgen Hildinger, BMW Group New Technologies Head of High Voltage Storage, commended the achievement, stating, “The 600+ miles achieved by the BMW iX equipped with Gemini is an impressive demonstration. We enjoy working with the team at ONE and look forward to taking the next steps together.

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