This kit required 2×18650 sold separately .Please click here for batteries or you can find in batteries section at the product bar
Please click here for replacement coils
Charging and Use
Simply charge by connecting it with the wall adapter (output: DC 5V) via USB cable.
Do not use while charging
Do not plug into computers, or other USB-capable devices
Only charge with the charger and power adapter that comes with the battery.
Never overcharge your battery. Do not leave it plugged in unattended when you are asleep or away from the home.
Use cases to protect your batteries. Be careful throwing your device and batteries in your pocket or purse, especially with things like keys or coins that can also compromise the batteries safety.