No, Muha Meds Disposable pens are suitable for single-use and cannot be refilled. Once the cannabis extract is depleted, it’s recommended to get rid of the pen responsibly and buy a different one for ongoing use. That is a disposable cart/vape pen and comes along with the battery built https://2g-disposable65329.tinyblogging.com/muha-meds-2-grams-disposables-an-overview-79181345