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F1 Teams Explore Lower Battery Output During Bahrain Test Session

Formula 1 teams have received an invitation to experiment with decreased electric power utilization throughout specific periods of the final Bahrain test. This testing initiative aims to gather valuable data on alternative power deployment strategies ahead of the 2026 season.

F1 Teams Explore Lower Battery Output During Bahrain Test Session
Formula 1

As Formula 1 prepares for the upcoming 2026 campaign, teams have been asked to participate in a controlled experiment during the final Bahrain test session. The initiative involves running vehicles with reduced electric power deployment during designated portions of the testing program.

The decision to conduct this evaluation reflects the sport's ongoing efforts to optimize hybrid power unit performance and explore different operational parameters. By having teams operate with lower battery output during specific intervals, F1 authorities aim to collect comprehensive data that could inform future technical regulations and competitive strategies.

This testing approach provides a practical opportunity to assess how reduced electric power affects vehicle performance, energy management, and overall competitiveness across the grid. Teams utilizing the final Bahrain test will gain firsthand experience with alternative power configurations, helping engineers understand the implications of such adjustments on their respective vehicles.

The experiment underscores Formula 1's commitment to continuous development and refinement of its hybrid power systems as the sport heads into the 2026 season. By encouraging teams to evaluate reduced battery power deployment in real-world testing conditions, the sport can gather actionable insights that contribute to more informed decision-making regarding technical direction and competitive balance moving forward.

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Full Regulation Text

Technical Regulations

Article 2.2

FIA Source

2026 Power Unit Regulations

Chapter: Chapter II - Power Unit Changes

In Simple Terms

2026 brings major engine rule changes. The complex MGU-H is removed to cut costs and attract new manufacturers. To compensate, the MGU-K becomes much more powerful and the battery is bigger. The goal is simpler, more sustainable power units that are still cutting-edge.

  • MGU-H removed from power units
  • MGU-K power increased significantly
  • Larger energy store capacity
  • Aims to attract new manufacturers
Official FIA Text

For 2026, the power unit will comprise a 1.6 litre V6 turbocharged internal combustion engine with a significantly enhanced electrical component. The MGU-H will be removed. The electrical power output will increase substantially with a more powerful MGU-K and larger energy store.

power unit componentsnew manufacturerssustainability2026 regulationsMGU-HMGU-Kpower unitnew regulations
2026 Season Regulations
Sporting Regulations

Article B7.2.1

FIA Source

Energy Deployment Limitations General Provisions & Principles

Chapter: B7

In Simple Terms

F1 cars have a limit on how much electrical power their hybrid energy recovery system (ERS-K) can use to help propel the car forward. The FIA tells all teams at least 4 weeks before each race what these power limits are, and teams must follow them exactly during the competition.

  • ERS-K electrical power has absolute maximum limits set by F1 regulations
  • The FIA announces specific power limitations for each race at least 4 weeks in advance
  • All teams must comply with these limitations throughout the competition
  • Power limit details are defined in Article C5.2.8 of the technical regulations
Official FIA Text

The absolute limits of electrical DC power of the ERS-K used to propel the Car are defined in Article C5.2.8. No less than four (4) weeks prior to a Competition, the FIA will provide all Competitors with information and limitations applicable to the Competition, which must be respected at all times.

ers-kenergy recovery systemelectrical powerdeployment limitshybrid power
2026 Season Regulations
Technical Regulations

Article C5.2.7

FIA Source

ERS-K Absolute Electrical Power

Chapter: C5

In Simple Terms

The ERS-K (kinetic energy recovery system) is the hybrid power unit that harvests energy from braking. F1 regulations cap the maximum electrical power this system can produce at 350kW to maintain competitive balance and prevent any team from gaining an unfair advantage through excessive hybrid power.

  • ERS-K electrical power output is strictly limited to a maximum of 350kW
  • This applies to the absolute DC electrical power measurement of the kinetic energy recovery system
  • The limit ensures all teams operate within equal technical parameters for the hybrid system
  • Exceeding this power threshold would constitute a technical regulation breach
Official FIA Text

Absolute electrical DC power of ERS-K may not exceed 350kW.

ers-kelectrical powerkinetic energy recovery350kwhybrid system
2026 Season Regulations