Should the battery be disconnected?
Yes, interventions on the e-bike and e-scooter electrical system are done with the battery disconnected, to avoid short circuits.
Are they insulated for live work?
No; these tools are not insulated. Work is done with the system disconnected from the battery.
Are they available in stock?
Some are in stock, the rest on order, with fast delivery in Bucharest and across the country.