Key Features of Factory-Direct 18650 3.7V Multi-Color Lithium Ion Batteries
High-performance cylindrical lithium-ion batteries with universal 18650 size, ideal for flashlights, power tools, vaping devices, and portable electronics. Premium multi-layer safety design includes built-in overcharge, over-discharge, and short-circuit protection for reliable power delivery. Factory-direct pricing ensures unbeatable wholesale rates with bulk discounts, exclusively for global resellers and bulk buyers. Vibrant multi-color casing options for easy identification and inventory management in high-volume operations. Rigorous quality control passes multiple inspections including voltage consistency, capacity testing, and cycle life evaluation. Ultra-stable 3.7V output with high energy density supports prolonged usage in demanding applications.