If you have received an additional invoice this is most likely because you have used any of other extra services that are not included in your service level agreement, or you have used some of our services without an service level agreement. If you would like to sign-up for a service level agreement or have any questions please contact us on hello@samvolt.com or call us at +46(0)10-26 300 04. If you want instant answers please feel free to use our AI that will respond to your questions instantly.