The RPM40 is small in size but has a battery capacity of 1500mAh and an adjustable power range of 1W-40W. The internal IQ-R chip is a new one, shortening the firing time to 0.001S, and charging time to two hours.
 
Smok RPM40 Available Colors:
Nano Gunmetal
Prism Chrome
Prism Purple
Prism Rainbow
Prism Gold
Red Camo
Green
7-Color White
 
Smok RPM40 Features:
Size: 25x25x99mm
E-Liquid Capacity: 4.3ML & 4.5ML
Battery Capacity: 1500mAh
Output Wattage: 1W-40W
Standby Current: <140uA
Input Voltage: 3.3V-4.2V
Output Voltage: 0.5V-4.1V
Charging Voltage: 5V
Resistance Range: 0.2Ω - 2.5Ω
Overcharge Voltage: 4.3V
Overdischarge Voltage: 2.4V
 
Included:
1 x RPM40 Device
1 x RPM Standard Pod (RPM Mesh 0.4Ω Coil Preinstalled) (4.3ml)
1 x RPM Nord Pod (Nord DC 0.6Ω Coil Preinstalled) (4.5ml)
1 x USB Cable
1 x User Manual