The Vapcell M11 is an 18350 battery with a continuous discharge rate of 9A.

Dimensions: 18.1mm x 35mm

Capacity: 1100mAh

Nominal Voltage: 3.6V

Charge Voltage: 4.2V

Discharge Voltage: 2.5V

Continuous Discharge Current: 9A

For more information and testing results, please follow the link: https://www.e-cigarette-forum.com/threads/bench-test-results-vapcell-9a-10a-1100mah-18350-almost-accurately-rated-looks-like-ydl-18350d.917887/