18650 or 26650
http://www.eleafworld.com/istick-pico-mega/
Size: 53.5mm*31.5mm*73.5mm
Thread type: 510 thread
Cell type: High-rate 18650 cell (Continuous discharge current should be above 25A)
Cell type High-rate 26650 cell (Continuous discharge current should be above 35A)
Output mode: Smart/VW/Bypass/TC(Ni,Ti,SS,TCR-M1,M2,M3) mode
Output wattage: 1-80W
Resistance range: 0.05-1.5ohm (TC modes)
Resistance range: 0.1-3.5ohm (Smart/VW/Bypass mode)
Temperature range: 100-315℃/200-600℉ (TC modes)
Color: Hot pink, black, grey, silver, white
http://www.eleafworld.com/istick-pico-mega/
Size: 53.5mm*31.5mm*73.5mm
Thread type: 510 thread
Cell type: High-rate 18650 cell (Continuous discharge current should be above 25A)
Cell type High-rate 26650 cell (Continuous discharge current should be above 35A)
Output mode: Smart/VW/Bypass/TC(Ni,Ti,SS,TCR-M1,M2,M3) mode
Output wattage: 1-80W
Resistance range: 0.05-1.5ohm (TC modes)
Resistance range: 0.1-3.5ohm (Smart/VW/Bypass mode)
Temperature range: 100-315℃/200-600℉ (TC modes)
Color: Hot pink, black, grey, silver, white