A bright light will illuminate while the Elf Bar is charging. Once it's turned off, it's fully charged. You can use the Elf Bar while it's charging, a feature called pass-thru charging. Most disposable vaporizers are single-use devices.
Batteries aren't designed to recharge, so when they start blinking, it's time to change them. That's not true with the Elf Bar BC5000, as it has a rechargeable battery. In this case, a blinking light only means that the battery is dead. As we mentioned before, you can recharge the battery several times before the Elf Bar BC5000 finally runs out of e-liquid.
How can I tell if my Elf Bar BC5000 is fully charged? The Elf Bar BC5000 has an integrated LED light that will turn off when the device is fully charged. How long should an Elf Bar BC5000 be charged: When you read about disposable Elf Bar vaporizers on the Internet, one of the things you'll notice is that a lot of people have expressed confusion about how long the Elf Bar BC5000 should be charged.