Allgemein LITEBLOX batteries FIA approved for Formula 3 use by LiteBlox / 23/04/201623/04/2016 / Comments 0 Our model LITEBLOX LB19XX is officially approved by FIA for the use in Formula 3 European Championship series: Add a comment Cancel replyYour email address will not be published. Required fields are marked * Save my name and e-mail adress in the browser until my next comment.