Wholesale 16340 3.7V 850mAh 3.145Wh Rechargeable Lithium Li-Ion Batteries
High-performance lithium-ion battery with premium LiCoO2 cathode for stable power output and extended cycle life. Precision-welded nickel strips ensure low internal resistance and superior conductivity. Compact 16340 size (16mm diameter x 34mm height) fits flashlights, laser devices, and DIY electronics. Built-in PCB protection against overcharge/overdischarge for safety. Ideal for electric tools, emergency lighting, and portable medical equipment. Bulk pricing available for industrial buyers—direct factory sourcing guarantees unbeatable wholesale rates. Strictly tested under IEC 62133 standards. Ships with anti-corrosion terminals and insulated packaging. Order today for fast global delivery.