The FIA has required Ferrari to submit to extra monitoring of its ERS system for this weekend's Monaco Grand Prix. The SF71H has been fitted with an extra sensor after rumours that the team had found a way to get more energy deployment from the battery than is allowed under the rules. Mercedes’ Niki Lauda had been one of the first to raise questions about Ferrari's approach to battery management. Its car has utilised a unique double-in-tandem battery since the start of the hybrid era in 2014. Lauda had called on the FIA to rule on whether Ferrari's set-up complied with the rules, but the governing body has said that the twin-battery architecture was not illegal. This year things stepped...
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