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Contact us

By email, web-form, or mail



Before you write, please note:

  • We do not accept new customers
  • We sell Li-Ion BMS (just the electronics) for large batteries (24 V to 1000 V, ≥1 kWh);
    we do not sell individual cells or complete batteries
  • We also offer additional tech support options
Feel free to write us in your own language:
flag Oui, s'il vous plaît écrivez nous en français.  
flag Ja, bitte schreiben Sie uns in Deutsch.
flag Ja, du kan skrive til oss på norsk.
flag Sí, por favor, escríbanos en español.
flag Ja, du kan skriva till oss på svenska.
flag Ja, du kan skrive til os på dansk.
flag Si, la invitiamo a scriverci in italiano.
flag Sim, por favor escreva-nos em Português.
flag Ja, schrijf ons in het Nederlands.
flag Kyllä, voit kirjoittaa meille suomeksi.

Email options:

  • Create an email message to
    • , for present customers. Presently we are unable to accept new customers.
    • , for present customers
    • , if you already have an Elithion BMS
    • , unrelated to sales or tech support
  • Or, use this form:


    *What is "BMS"?



    To enable, complete all required fields



Mail: please contact us by email so we may provide you with the most appropriate address.


Elithion Inc. / QSC
630 S Sunset St
Longmont, CO


Do not return product without first receiving a return authorization (RMA) from Elithion. Returns without an RMA cannot be tracked, and will be charged an additional $ 25.

Elithion's building
Longmont office
Elithion's building
Boulder office



In this page:
© 2008~2024 Elithion™, Inc.. All rights reserved. The Elithion brand and the logo with an 'ə' (upside down 'e') are Trademarks of Elithion Inc.
Policies - Contact us - Mobile site Page published on May 31 2023.
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