Quick DetailsPlace of Origin: Guangdong,Website:://.trustfirelight.com, China (Mainland) Brand Name: TrustFire Model Number: 18650 2600mAh Type: Li-Ion Nominal Voltage: 3.7v Size: 18.74mm(dia.)*66.76mm(height) Nominal Capacity: 2600mAh Cycle life: 500 Times Product name: Trustfire 100% Real capacity 3.7V 2600mah 18650 li ion battery OEM LOGO: YES Capacity: 2600 mah Warranty: 1 year delivery time: 3 -5 days Feature: with protection PCB Weight: 50g Battery type: Li ion battery Brand: Trustfire original factory Packaging