It comes with an 800mAh rechargeable battery, providing long-lasting power until the e-liquid is depleted. Unlike many disposable vapes, the SKE Crystal CL6000 is equipped with an 800mAh rechargeable battery, which enhances its usability. The rechargeable feature ensures that you can use the device to its maximum e-liquid capacity without waste, making it more environmentally friendly than fully disposable models. This feature is crucial for users who want the convenience of a disposable vape with the benefits of a longer-lasting device.