2 of my vape cartridges stopped working. Took them to a vape shop and they said I burnt out the coils not knowing about the voltage limit. I have also happen to own a v2 vape pen that has the type of cartridge where you have to manually fill up yourself. So...can I just pull the lid off those burnt out vape cartridges and just pour them into the v2 one? First off, is there any difference in the cocktail of ingredients that belong to the screw-on type cartridges vs those mini syringes of the manual fill up types? Any compatibility issues?.....I'm assuming not. Second, im worried about spilling and wasting liquid when trying this since the opening is pretty narrow on the v2 manual fill cartridge (the e-liquid usually comes in a mini syringe). I found this video online of these guys using some ebay-syringes to fully milk the bottom of their cartridges: Is this a good way to do it? Any other ways? Is there any way to just fix those cartridges i burnt out?