Founded in 2010, Shenzhen Ray-tech International Limited began as a specialist in customized battery solutions.

In 2015, we launched the LILEAD brand with a clear mission: to replace outdated lead-acid batteries with smarter, safer, and more powerful lithium energy.

“LILEAD” stands for Lithium, Leisure, and Lead—reflecting our commitment to innovation and redefining power for modern adventures.

For over a decade, we’ve powered RVs, boats, house boats, and motorcycles worldwide with plug-and-play batteries built for Power & Ease—delivering high performance, long-term reliability, and true simplicity: just install and go.

Trusted globally, LILEAD continues to push the boundaries of lithium energy for leisure and marine applications.