2Pcs-37V-1200mAh-14500-Liion-Rechargeable-Batteries

From the Manufacturer:
New battery
High quality and durable
Provides excellent continuous power sources to your device
High energy density, long life battery
This battery has an extra long life for all your battery powered devices
Battery Type: Li-ion rechargeable battery
Model:14500
Voltage: 3.7v
Capacity: 1200mAh
Charge Time: about 5hours
Dimensions: 5 x 1.4cm/1.97 x 0.55inch(H x D)

Includes:
2 x 3.7V 1200mAh Li-on Rechargeable Batteries