About Us

Welcome to cxzcxzpower, your trusted source for premium lithium-ion electric bicycle replacement and upgrade batteries. We specialize in engineering reliable, high-capacity, and durable power solutions designed to keep you riding farther and with complete confidence.

Who We Are

At cxzcxzpower, we understand that a battery is the heart of every electric bicycle. Whether you are commuting through the city, exploring backcountry trails, or revitalizing a beloved e-bike, having dependable power is essential. Our team combines technical battery engineering expertise with direct manufacturing capabilities to provide high-grade replacement batteries for a wide range of popular e-bike models.

Engineered for Safety & Reliability

Safety and longevity are at the core of everything we build. All cxzcxzpower lithium battery packs (available in 36V and 48V formats, across Hailong downtube, Silver Fish, and folding e-bike designs) feature:

  • Smart Battery Management System (BMS): Integrated intelligent circuit protection guarding against overcharging, over-discharging, over-current, short circuits, and temperature anomalies.
  • A-Grade High-Density Cells: Rigorously graded lithium-ion cells ensuring optimal energy density, long cycle life, and consistent power delivery under load.
  • 100% Quality Inspected: Every single battery pack undergoes strict multi-point factory cycle testing and quality verification before packaging and dispatch.

Our Direct Business Model

We operate on a transparent direct-to-consumer (D2C) model. By managing our product development, production standards, and quality control directly, we cut out unnecessary distribution markups and pass those savings straight to riders—offering premium battery performance at fair, honest prices.

Our Facilities & Locations

To provide responsive service, secure logistics, and dependable customer support, our operations are structured as follows:

  • Operating Office:
    Zhuohuijia Plaza, Longhua Street, Longhua District, Shenzhen, Guangdong, 518110, China
  • US Logistics Support & Returns Facility:
    14144 Santa Ana Ave, Fontana, CA 92337-7129, United States

Our Commitment to You

We are dedicated to building long-term trust with our riders through genuine support and dependable service:

  • Free Standard Ground Shipping: Safe and compliant ground transport to the contiguous United States.
  • 1-Year Limited Warranty: We stand behind our battery quality with dedicated technical warranty protection.
  • Responsive Support: Our customer support team is available Monday through Friday, 9:00 AM – 6:00 PM (UTC+8), with replies within 24 business hours.

Get in Touch

Have questions about battery compatibility, sizing, or connector types? We are always happy to assist you:

  • Email: cxzcxzpower@gmail.com
  • Phone: +86 135 2818 8575
  • Online Contact Form: Contact Us