Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ICR18650 B4 2600MAH found under Cellbattery by Lg Electronics U S A Inc. The National Stock Number assigned to this part is 6140016757516, and the Federal Supply Class is 6140 Batteries Rechargeable. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ICR18650 B4 2600MAH.