![Can anyone tell me what these black spots are on my VTC? Is it still safe or shall I throw it out? : r/electronic_cigarette Can anyone tell me what these black spots are on my VTC? Is it still safe or shall I throw it out? : r/electronic_cigarette](https://i.redd.it/2vyd4wi40prx.jpg)
Can anyone tell me what these black spots are on my VTC? Is it still safe or shall I throw it out? : r/electronic_cigarette
![Amazon.com: NITECORE New i4 battery Charger For Li-ion / IMR / Ni-MH/ Ni-Cd 18650 18350 16340 RCR123 14500 AA AAA D C w/ Ac and 12V DC (Car) power cords, EdisonBright BBX3 Amazon.com: NITECORE New i4 battery Charger For Li-ion / IMR / Ni-MH/ Ni-Cd 18650 18350 16340 RCR123 14500 AA AAA D C w/ Ac and 12V DC (Car) power cords, EdisonBright BBX3](https://m.media-amazon.com/images/I/71tIcoTgVrL._AC_SL1140_.jpg)
Amazon.com: NITECORE New i4 battery Charger For Li-ion / IMR / Ni-MH/ Ni-Cd 18650 18350 16340 RCR123 14500 AA AAA D C w/ Ac and 12V DC (Car) power cords, EdisonBright BBX3
![Strange bumps on 18650 batteries - General Discussion - Electric Skateboard Builders Forum | Learn How to Build your own E-board Strange bumps on 18650 batteries - General Discussion - Electric Skateboard Builders Forum | Learn How to Build your own E-board](https://esk8content.nyc3.digitaloceanspaces.com/uploads/db2454/optimized/3X/e/6/e6126c9aa644b66bd737bb6bce33f856a4f550e6_2_666x500.jpg)
Strange bumps on 18650 batteries - General Discussion - Electric Skateboard Builders Forum | Learn How to Build your own E-board
![Strange bumps on 18650 batteries - General Discussion - Electric Skateboard Builders Forum | Learn How to Build your own E-board Strange bumps on 18650 batteries - General Discussion - Electric Skateboard Builders Forum | Learn How to Build your own E-board](https://esk8content.nyc3.digitaloceanspaces.com/uploads/db2454/optimized/3X/b/6/b696e1824d2d4c25d61482e3c551449442693833_2_666x500.jpg)
Strange bumps on 18650 batteries - General Discussion - Electric Skateboard Builders Forum | Learn How to Build your own E-board
![batteries - How can I tell if my battery is damaged physically? - Electrical Engineering Stack Exchange batteries - How can I tell if my battery is damaged physically? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/EWXNe.jpg)
batteries - How can I tell if my battery is damaged physically? - Electrical Engineering Stack Exchange
![Hey guys can anyone help me out I'm a bit new into this stuff and I just bought a used system but this battery looks weird with black dots and the casing Hey guys can anyone help me out I'm a bit new into this stuff and I just bought a used system but this battery looks weird with black dots and the casing](https://i.redd.it/n0jaqq5xmjy01.jpg)
Hey guys can anyone help me out I'm a bit new into this stuff and I just bought a used system but this battery looks weird with black dots and the casing
![Amazon.com: NITECORE New i4 battery Charger For Li-ion / IMR / Ni-MH/ Ni-Cd 18650 18350 16340 RCR123 14500 AA AAA D C w/ Ac and 12V DC (Car) power cords, EdisonBright BBX3 Amazon.com: NITECORE New i4 battery Charger For Li-ion / IMR / Ni-MH/ Ni-Cd 18650 18350 16340 RCR123 14500 AA AAA D C w/ Ac and 12V DC (Car) power cords, EdisonBright BBX3](https://m.media-amazon.com/images/I/51S7tig-vEL._AC_SS450_.jpg)
Amazon.com: NITECORE New i4 battery Charger For Li-ion / IMR / Ni-MH/ Ni-Cd 18650 18350 16340 RCR123 14500 AA AAA D C w/ Ac and 12V DC (Car) power cords, EdisonBright BBX3
![batteries - How can I tell if my battery is damaged physically? - Electrical Engineering Stack Exchange batteries - How can I tell if my battery is damaged physically? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/1z5bg.jpg)