For drones weighing less than 250g with no camera, neither ID is necessary. Having said that, you continue to ought to comply with the UK’s drone laws. In accordance with the Drone Code, This suggests protecting visual contact with your drone, traveling no better than 120m earlier mentioned the ground, https://www.aeroindustrial.com/product/dji-mavic-3-enterprise-parte-04-estacion-de-carga-de-baterias-100w/