High-Capacity 18650 Lithium-Ion Battery – OEM/ODM Wholesale
Premium 3.7V rechargeable Li-ion battery with ultra-high capacity (1200mAh–3000mAh), engineered for demanding applications. Precision-built with industrial-grade lithium manganese oxide (LiMn2O4) cathode and high-density graphite anode for stable discharge and extended cycle life. Ideal for power tools, electric vehicles, solar energy storage, and high-drain devices like flashlights and vaping mods. Features built-in PCB protection against overcharge, over-discharge, and short circuits. Custom branding available (OEM/ODM). Bulk pricing ensures unbeatable value for resellers and manufacturers. UL/IEC compliance guaranteed.