Homemade E-cig Box Mod

Home made Dual 18650 VV metal cased vaping device made in 2011. Spec:

OKR T/6-W12-C 6A,30W step down converter.

500 ohm potentiometer + resistors to give 2 - 6V.

On board balanced charging - PCB protected battery cell for two 18650 batteries in series.

Top mounted LED voltmeter -

Flush mounted 2.1mm charging socket in base for use with 8.4V charger

All contained within stout black anodised aluminium case.