Custom Ebike Battery
Why Choose Delong Energy?
13 Years of Experience
Customizing lithium-ion battery packs for global users since 2012
Strong R&D Team
11 national patents, customized battery solutions for over 100,000 companies.
Tailor-Made Solutions
Created for household, commercial, medical, security, photovoltaics, etc.
High-Quality Batteries
Grade A cells, sophisticated testing equipment, professional quality inspectors, higher efficiency and safety.
Complete Certifications
With UN38.3/MSDS/UL/CE/ROHS and other certifications, you can confidently use it.
After-Sales Worry Free
10-year utral long warranty, technicians provide after-sales service and support.








