Key Highlights

  • Li-S Energy (ASX:LIS) has completed datasheets for two new Power Cell designs produced on its automated Phase 3 production line.
  • The 11Ah cell is rated at 7C continuous and 10C peak, compared with 0.1 to 0.2C that the company says traditional lithium-sulfur cells typically deliver.
  • The 10Ah cell is rated at 2C continuous and 5C peak and is designed for systems that need a longer cycle life.
  • The company says the cells retain energy density approaching 400 Wh/kg, and the datasheets have been shared with partners under non-disclosure agreements.

Li-S Energy Limited (ASX:LIS) is an Australian developer and manufacturer of lithium-sulfur battery cells, producing them on a 2 MWh automated line in Geelong, Victoria. On 9 November 2026 the company announced the completion of two high-power Power Cell designs that it says extend lithium-sulfur chemistry into applications that need rapid energy delivery, such as fast multi-rotor drones and robotics.

Two Power Cell Designs

The 10Ah Power Cell is rated at 2C continuous and 5C peak, and the company says it delivers 100% of its stored energy at that rate. It is aimed at systems that require longer cycle life. The 11Ah Power Cell is rated at 7C continuous and 10C peak, with 96% of stored energy delivered at the continuous rate, and it is intended for applications where cycle life is not critical.

Li-S Energy reports continuous power density of 1,700 W/kg and peak power density of 2,400 W/kg for the new designs. The company describes these figures as placing its technology in the fast multi-rotor drone market.

The Trade-Off Between Energy and Power

The announcement links the new cells to the company’s earlier GEN3 cell, which achieved 456 Wh/kg after formation cycling in 2024. That cell was designed for low-power, long-endurance platforms. The new Power Cells sit at a lower energy density, approaching 400 Wh/kg, which is a trade-off the company has accepted to achieve higher power output.

The 11Ah design is described as suited to single-use and low-cycle-life applications, which limits its use case. The figures are company-reported, and the release does not include independent test results or field performance data for drone platforms.

Target Markets and Development Path

The company names multi-rotor drones, soldier-carried systems, robotics and communications as target markets. It expects to continue improving the cells to lift energy density while keeping high power performance, with the aim of extending system range, operating time and payload.

The announcement does not include a commercial agreement, order or Revenue figure for the new cells. Li-S Energy said it will update the market as the development programs progress.

Final Word

Li-S Energy has widened the range of applications for its lithium-sulfur chemistry by pairing it with higher power output. The release is focused on technical specifications and target markets, and it does not yet include commercial terms. Progress will be measured by whether the company converts datasheets and partner interest into Supply agreements, and whether the cells perform as stated in working platforms.