Specification: Brand :Thorfire Dimension :26*650mm Voltage:3.7 v Capacity:5000mah Material:lithium Charge voltage:4.2v±0.05v Application: flashlight,LED torch,digital camera and other digital products. Package size:100*860*40 mm Quantity:2pcs Features: Function :high safety,high energy density,recharge over 500 times, Type:recharge lithium battery Package included: 2 x ThorFire 3.7V 5000mah Protected 26650 Rechargeable Li-ion Battery