AWT Rechargeable Li-ion Battery IMR 18650 (3.7V ,3000mAh)

From the shop's description

Specifications: Manufacturer: AWT Size: 18650 Style: Flat Top Protected: NO, UNPROTECTED. This cell is unprotected and intended for use in protected battery packs only and NOT individually or as a standalone product. In order to operate safely it must have additional protection in the form of a PCB (protection circuit board) or BMS (battery management system), which is not included. Nominal Capacity: 3000mAh Discharge Current: 20A Max Continuous, Rated 40A Max Pulse by AWT Nominal Voltage: 3.7V Maximum Voltage: 4.2V Approximate Dimensions: 18.39mm x 64.9mm Approximate Weight: 45g Origin: China Package Included: 1x AWT Rechargeable Li-ion Battery IMR 18650 (3.7V ,3000mAh)