About Us
Who We Are
Authorized Brand Distributor – SOK & RUiXU
Sunmax Energy LLC is a registered U.S. company headquartered in Ontario, California.
We specialize in the distribution of high-performance lithium batteries and are officially authorized to sell SOK Batteries and RUiXU Batteries across the United States.
We work directly with the manufacturers to ensure that every product we offer is genuine, warrantied, and fully supported by official service standards.
We are proud to be an authorized distributor for both brands:
🔽 [Download SOK Distributor Agreement](PDF)
🔽 [Download RUiXU Distributor Agreement](PDF)
All products sold on our website comply with the official pricing, packaging, and warranty policies set by SOK and RUiXU.
Our focus is on delivering high-performance, long-lifespan battery solutions for:
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RVs
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Boats
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Solar homes
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Off-grid systems and beyond
50 States — Nationwide Reach 100+ — Dealers & Installers
Why Choose Us
🔸 Premium Quality Only
We only sell high-end LIFEPO4 batteries by SOK & RUiXU — no low-end products, ever.
🔸 Transparent Pricing
Our Amazon pricing is identical to official websites. No discounts, no tricks — just honest, factory-authorized pricing.
🔸 U.S.-Based Service
Local warranty support, fast shipping, and real human customer service. We are based in California for faster response and delivery.
Trusted By
We proudly power thousands of American customers, including:
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RV owners & vanlifers
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Sailors & off-grid enthusiasts
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Cabin builders & solar system users
Let’s Work Together
Whether you're building your dream off-grid setup or need power for your business, we're here to help.
Email: info@sunmaxsolary.com
Address: 3969 E Guasti Rd Ste C, Ontario, CA 91761, United States
Phone: (626) 662-5181
Real-World Use Cases
Explore how SOK and RUiXU lithium batteries are powering real off-grid homes, RVs, boats, and more. Watch real customer installations, stress tests, and expert technical tutorials.
SOK Battery Video Categories
RV / Travel Trailer
Marine / Boat
Battery Teardown & Brand Comparison
BMS / Bluetooth Tutorials
Long-term Testing & Performance Review
Off-grid / Solar System Integration
RUiXU Battery Use Cases
We're currently collecting RUiXU customer use-case videos. Stay tuned as we bring you real-world demos, tutorials, and performance reviews for the full line of RUiXU server-rack and hybrid batteries.