Model Number: SMOK R40 Battery Mod
Brand Name: SMOK
Nominal Capacity: >3500mAh
Compatible Model: 510 thread
Size: 18650
Type: Li-ion
Nominal Voltage: 3.7V
Power range: 1-40 W
R40 Mod Size: 75*38*22mm
Resistance range: 0.06-3.0 ohm
Battery capacity: 1900mAh Built-in
Temperature range: 200-600F/100-315C
Charging time: About 3 hours
Color: Black, White, Red
Material: Aluminum Alloy and Zinc Alloy