Power Supply L298n

Hello

I'm working on a plant water supply system. I use the L298n motor driver as a control.To this is my arduino uno connected (5V) which is to power a humidity sensor and a temperature sensor (3 and 5V). As output of my motor driver I have a peristaltic pump that pulls 12V. Now I've been looking for a lot of things to power supply all this. Whether I need to use 1 12V battery or several of a lower voltage. it is also rechargeable, which has a long life span. There's someone who can help me please?
I've already tried a 9V battery buth this wasn't enough.

Thank you in advance!

Jarne

I'd probably use a 3S 11.1V Lipo of suitable capacity for your load and the time you need to run between charges.

Steve