1 battery for powering arduino, motors, and raspberry pi

i TeslaIaint,
Thanks for answering.

The motor specs can be found here http://iprototype.nl/products/robotics/servo-motors/dc-geared-motor/ (under the head Motor Specificaties:)

3V 6V
No-load speed 100 RPM 200 RPM
No-load current 60 mA 71 mA
Stall current 260 mA 470 mA

The servo: http://iprototype.nl/products/robotics/servo-motors/servo
Voltage 4.8V ~ 6V

Let me know if you have more questions.

Regards,
Jombo