Electronic cigarette - 2 batteries 18650

Variation of E-cigarette mod. This was constructed for better strenght of walls. You can print it without supports (it depents of you printing experiences).

What do you need?:

4x battery contacts 229, 209
some 16awg wire
some arduino wire for push-button
1x 510 ecig connector (i recomended 510 Connector Spring Loaded 510 Connector For Mechanical Mod Electronic Cigarette Vape Pen Mod DIY on aliexpress.com)
1x 12mm short push-button
1x IRL3803 N MOSFET
1x 15k resistor

After assembly i recomended to use electrotechnic resin for pouring of electric parts.