A disposable that won't charge is frustrating, especially when there's still oil left. A few things can cause this, and some of them are fixable.
USB ports on disposable vapes are small and easy to damage. Lint, debris, or a slightly bent connector can prevent a proper charge. Before anything else, check the port — use a light to look for any blockage, and try a different cable if you have one available.
A USB-C port that's been forced in at an angle or inserted too aggressively can also bend the internal contacts. That kind of damage won't be covered under a product defect — but it's worth ruling out first.
Not all cables deliver the same charge. Some third-party cables provide lower output than needed to trigger the battery. If you're using a cable that came with a different device, try a different one.
Most disposable vapes with a charging port are designed for standard 5V output. A cable that's primarily data-only, or one that's damaged internally, may not deliver enough power to activate the battery.
If a battery runs all the way to zero — below the threshold where a standard charge can revive it — the device may not respond when plugged in. This sometimes looks like the device is broken when it actually just needs more time on the charger.
Leave it plugged in for a full 30 minutes, even if the LED doesn't immediately activate. Some batteries need time before showing any sign of charging.
A device that won't charge at all, despite a working cable and a clean port, likely has a dead or defective battery. With oil still in it, that's a legitimate product failure. Get in touch through EcoServe or the contact on your packaging, include the lot number and a photo or short clip of the device not responding, and we'll go from there.