High-performance Lithium Ion Battery ICR18650 2500mAh 3C offers high energy density, long cycle life, and excellent consistency. Ideal for digital devices, e-bikes, IoT, and medical equipment. Features safe, rechargeable design with no memory effect, A-grade cells, and 100% aging test before shipment. Certified by UL, CB, IEC, UN38.3, RoHS, and covered by Ping An Insurance for reliability and peace of mind.More