Xantrex 125Ah Battery Installation Guide
Essential installation instructions for the Xantrex 125Ah Battery. Learn the critical orientation requirements to ensure safety, optimal performance, and warranty validity.
Table of contents
Important Installation Information
The Xantrex 125Ah Battery must be installed in an upright position relative to a horizontal plane. The battery power terminals must always face upward. Installing the battery on its side or at an angle can lead to long-term performance degradation, negatively affect charging cycles, and may void the warranty.

Safety Warnings
Danger: Risk of fire, electric shock, explosion, or arc flash. This technical bulletin is a supplement to the primary product manuals for each component in your power system. You must read and be familiar with the primary documentation provided with your product before proceeding with installation or operation.
Contact Information
For support, you can contact Xantrex via the following channels:
- Telephone: +1-800-670-0707 or +1-408-987-6030
- Email: [email protected]
- Website: http://www.xantrex.com
- Support Portal: http://www.xantrex.com/power-products-support/
Official resources from the manual
Practical help
Common problems
Ensure the battery is installed in an upright position with terminals facing upward.
Do not install the battery on its side or at an angle.
Before use
- Read the primary product manuals for each product in the power system.
- Ensure the installation surface is horizontal.
- Verify the battery terminals are facing upward.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.