Get in Touch
Our power systems team is here to help with sizing, compatibility, installation questions, and order support.
Email Support
support@lfpo4.com — We typically respond within 4 hours during business hours (Mon-Fri, 9am-6pm PST).
Free Sizing Consultation
Not sure which battery or system you need? Email us with:
- Your application (RV, marine, off-grid, golf cart, home backup)
- What devices/loads you need to power
- How long you need them to run
- Your current setup (if upgrading from lead-acid)
We will send you a personalized recommendation with the right battery size, charger, and accessories for your setup.
Warranty & Returns
See our Warranty Information and Shipping & Returns pages for detailed policies.
eBay Store
You can also find us on eBay at ebay.ca/str/liionbatteries — 352+ items sold, 100% positive feedback.