bosch battery

My LBS will soon be installing the Bosch Extended Range 500 WHr battery on my Trek Allant+ 7s. This shop has never installed this battery, nor do they have much ebike experience. I'm I concerned their training experience will be reflected in the installation labor cost. What should I expect...

Hello, everybody, I managed to lost the keys that was left inside the battery. I want to order a new cylinder, but can't identify which one I need to purchase: https://www.ridewill.it/p/en/abus-2100703-lock-cylinder-for-bosch-gen2-powerpack-racktype-mount/380454/# or...