Transform your ordinary bicycle into a powerful electric bike effortlessly with our professional-grade lithium battery pack. Designed as a core power component for e-bike conversion kits, this battery boasts dual cell compatibility for 18650 and 21700 cylindrical lithium batteries, allowing targeted optimization of energy density, service life and project costs. The ergonomic triangular frame design fits e-bike frames perfectly, evenly distributing overall vehicle weight, lowering wind resistance, and significantly improving riding stability and controllability. All key parameters can be customized freely to adapt to different e-bike models and conversion equipment. The comprehensive 20Ah–29Ah capacity lineup covers all mainstream riding scenarios, whether you need short-distance commuting power or long-endurance off-road performance. Built for deep-cycle use, it delivers stable power output, excellent load resistance, and ultra-long cycle life with low daily maintenance requirements.