IC:

There is usually a power socket in the middle of each double seat in all coaches.

Nightjet:

There are power sockets in the sleeping cars, but usually not in the seating and couchette cars.

Tip: It is always advisable to have a charged powerbank with you as an energy source on (night) trips. -> see Night travel tips

IC:

The on-board bistro is at night closed (Opening hours: Mon-Sun, 6 a.m. to 10 p.m.).

Nightjet:

Drinks & snacks are available from the train team in couchettes and sleeping cars (Around the clock). 

IC:

Tickets can be booked conveniently with the DB Navigator and via the Deutsche Bahn homepage (Bahn.de).

Nightjet:

Search and book Nightjet tickets at Bahn.de or directly on Nightjet.com (no price differences). 

IC:

Yes

Nightjet:

Yes 

IC:

The extensive range of services offered by Deutsche Bahn (here).

Nightjet:

In the handbook for travelling with the ÖBB night train (here).

IC:

In addition to the hand luggage, another larger piece of luggage or
one additional item may be carried free of charge, provided that the load can be carried by one person alone.

Large pieces of luggage (70 cm x 50 cm x 30 cm) may have to be stored outside the seating area, e.g. in the nearest luggage rack. Each passenger is responsible for supervising their own luggage.

All details on the DB baggage regulations here.

Nightjet:

Luggage can be carried free of charge on the Nightjet, provided it can be stowed in the luggage racks provided. Luggage must not exceed a maximum size of 90 cm x 60 cm x 40 cm.

The following items of luggage can be taken free of charge, regardless of size:

• Skis & Snowboard
• Ski or hiking poles
• Wind, string or plucked instruments
• Wheelchair
• Pram