The actual voltage, matching the car battery's voltage, will be approximately 12.5 volts when dormant (less in cold conditions), approximately 14.5 volts when the engine and the alternator/generator are operating (more when cold), and may briefly drop as low as 56 volts during engine start due to the high temporary battery current usage
Washington, DC: US Department of Health and Human Services
Heavy smokers (12 packs/day) may prefer high-nicotine vape liquids (1220mg/ml) Light smokers (510 cigarettes/day) may be satisfied with lower concentrations (36mg/ml) First-time vapers may use 0mg or low-nicotine products, making direct comparisons irrelevant
Cigarette machines and cigarette injectors are easiest option for rolling your own
But how old is it, exactly
Take notice of all that is below