BATTERY BRC18650 3.7V 4000mAH Li-ion

UltraFire BRC 18650 3.7V 4000mAh Rechargeable Li-ion Batteries
UltraFire BRC 18650 4000mAh battery 3.7V with PCB and button top
This is a great battery , with a capacity of 4000mah . It is a protected battery with button top , perfect for your mod .

Technical specifications :
Brand : UltraFire
Button top
Higher energy density and lower weight than other types rechargeable batteries
Compatible with many mods .
Voltage: 3.7V
Battery Capacity: 4000mAh
PCB ( Protection circuit board )
Type : 18650
Li-ion battery
Rechargeable battery
Length : 65 mm
Diameter : 18mm
Weight : 89grams
High quality and durable
Provides excellent continuous power sources to your advanced personal vaporizer .
High energy density, long life battery