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
Price refers to one piece .
Specifications:
Capacity (Ah): 3.4 Ah (3400mAh)
Energy (Wh): 12.2 Wh
Energy Density (Wh/L): 730 Wh/L
Nominal Voltage (V): 3.6V – 3.7V
Charging Voltage (V): 4.2 V
Weight (g): 46 g /1.62 oz
Diameter (mm): 18.6 mm (+/- 0.03)
Height (mm): 68.9 mm (+/- 0.03)
Max. Discharge rate: 2C (6.8A)
Pulse current (5-6 sec.): 10A
Chemical Composition: Li-ion (Lithium-Ion) Hybrid
Cell model: Panasonic NCR18650B
Protection ICs: Made in Japan (Design by Seiko)
Bare Cell: Made by Panasonic, Made in Japan
Button Top: Yes
External |welded PCB | Protection: Yes
Protection:
Over-charge (Activated @ 4.33V)
Over-discharge (Activated @ 2.5V)
Over-current (Activated @ 10A-12A)
Overheating, and dual short circuit protection (External, and Internal).