Yes it does. The K Lite mod comes with all the safety features that Aspire is famous for.
Charging the device via Micro USB charging port, the maximum current can reach up to 1A, and the recommended charging voltage is 5.0V.
When the USB cable is attached, the indicator light will flash red 3 times. While charging, the indicator light will indicate the device’s current charge status:
When the device is fully charged, the indicator light will flash green 20 times then remain off. When unplug the USB cable, the indicator light will flash green 3 times.