Look after your e-bike, get it insured. You might add it to your household insurance. Out and about you will need to lock it to an immovable object with an appropriate lock. www.soldsecure.com rate locks for effectiveness. Bronze for bikes valued up to £250, Silver up to £1000, Gold for e-bikes over £1000. You might also think about a convenient lock to immobilise your e-bike for a quick stop at a cafe where you can keep an eye on it.
We can help registering your e-bike with the national cycle database used by the police. www.bikeregister.com It's free for basic registration and we will add a photo of your actual e-bike.