STEP 5: CHARGE THE BATTERY
When battery power in low level, just plug in the USB cable to charge the battery, red light
will flash 3 times and stay on untill fully charge, then change to green light for a while and
off.
HOW TO CHANGE THE COIL
1)Uncrew the tank, and Counter-clockwise the bottom base to pull the EUC Mini coil out.
2) replace the coil with a new one and install the bottom base back.
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