I remember picking the pair up at a B&M in a pinch and they were cheap and out of the Sonys.
From rdtvapor:
From MNKE 18650 3.7V 2000mAh
Nominal Specifications:
Nominal capacity: 2000mAh (standard charge /0.2C discharge, 2.75V cut-off)
Minimum capacity:1900mAh (standard charge /0.2C discharge, 2.75V cut-off)
Charging voltage: 4.2±0.025 V
Nominal voltage: 3.7V
Charging method: CC-CV (100mA cut-off)
Resistance: ≤20mΩ
Max. discharge current(continuous): 20A (at 25±3°C)
Max rated discharge current: 30A
Max pulse discharge current: 60A
Discharge cut-off Voltage: 2.75V±0.05V
Weight: 43±1 g
Dimensions: Height ≤65.5mm; Diameter ≤18.5mm
Temperature range: Discharge: -20~+60ºC, Charge: 0~45 ºC