Product Review

18650 batteries are high amperage, high quality, durable batteries.
Note: These are sold as a 4-pack batteries, each battery packed in individual protection case.
To ensure longevity, it is not recommended to allow the battery to discharge below 2.5V. Please note that due to their inherent safety, IMR cells don't have a protection circuit built in.

This Product Features:
Nominal Capacity: 2600MAH
Nominal Voltage: 3.7V
Discharge End Voltage: 2.5V
Standard Charging Current: 1.25A
Charging Voltage: 4.20+-0.05V
Max. Discharging Current: 40A
Max. Continuous Rate: 20A

What you get:
4x - IMR 18650 2600MAH 40A rechargeable batteries