Technical Service and Support

For answers to technical questions or for troubleshooting assistance, please provide the full charger model and serial number. For troubleshooting we recommend, if possible, that you contact us from the site with the unit still connected.

The following information can also be helpful for troubleshooting assistance or repair: battery type and open-circuit voltage, actual AC input and DC output voltage readings, DC current reading.

Critical DC Power Systems & Engine Starting Systems

Technical support is available Monday through Friday, 8 AM – 5 PM Mountain Time (MT).

Phone: 800-742-2326
Email: service@sens-usa.com

Battery Monitoring Systems

Technical support is available Monday through Friday, 8 AM - 5 PM Eastern Standard Time (EST).

Phone: 215-997-6007
Email: support@phoenixbroadband.com