Sony 18650 VTC5a 2600mAh High-drain Battery - 12C 35A is with the capacity of 2600mAh with 35A max current discharge and a nominal voltage of 3.7v. This tpe of batteries also has a lower internal resistance than the regular 18650 battery and deliver a higher voltage under load.
Battery Capacity (Mfg Rated): 2600 mAh
Battery Chemistry: Li-Ion
Battery function: Rechargeable
Battery Form Factor: 18650
Battery Rated Voltage: 3.6 V