![Your new favorite mod uses a 20700/21700 but you still have a bunch of good 18650's? 3D printed 18650 to 20700/21700 adapter! : r/electronic_cigarette Your new favorite mod uses a 20700/21700 but you still have a bunch of good 18650's? 3D printed 18650 to 20700/21700 adapter! : r/electronic_cigarette](https://external-preview.redd.it/OHGj45pbmeqO13JjccAe0SOViN6yKIBL34X2lQcCTXs.jpg?auto=webp&s=0f743337fcb671b4056b60a4edbb13ba65914b29)
Your new favorite mod uses a 20700/21700 but you still have a bunch of good 18650's? 3D printed 18650 to 20700/21700 adapter! : r/electronic_cigarette
![Amazon.com: 18650 to 21700 and 20700 Adaptor Battery Storage Container(18650 to 21-700 and 20-700 Adaptor) : Musical Instruments Amazon.com: 18650 to 21700 and 20700 Adaptor Battery Storage Container(18650 to 21-700 and 20-700 Adaptor) : Musical Instruments](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/5171lqA+CqL.jpg)
Amazon.com: 18650 to 21700 and 20700 Adaptor Battery Storage Container(18650 to 21-700 and 20-700 Adaptor) : Musical Instruments
![EAGTAC 18650 To 21700 Converter Adapter For 21700 Flashlight, 18650 Battery Protective Sleeve, 18650 Battery Spacer, 18650 Battery Holder For TX3V T25V G3V S25V 21700 Battery Torch - - Amazon.com EAGTAC 18650 To 21700 Converter Adapter For 21700 Flashlight, 18650 Battery Protective Sleeve, 18650 Battery Spacer, 18650 Battery Holder For TX3V T25V G3V S25V 21700 Battery Torch - - Amazon.com](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51qQF0gHKcL.jpg)