Specifications: Battery Type:14500 battery Capacity: 2500mAh Voltage: 3.7V Charge Time: about 6~8hours Rechargeable Times: about 500~700 Material: Li-ion Battery Color: Yellow Size: Approx. 1.3x4.8cm\/0.5"x1.8" Quantity:4pcs Feature: 1.High quality and durable 2.Provides excellent continuous power sources to your device 3.High energy density, long life battery 4.This battery has an extra long life for all your battery powered devices Package Includes: 4 x 3.7V 2500mAh 14500 Li-ion Rechargeable Battery