510 Battery is just a regular battery, that gets attached to a Cartridge. Once the 510 Battery is attached to the Cartridge, it converts into being a Vape Pen. The Cartridge, comes along with a USB and is rechargeable. The Battery is only a battery and has no E-Liquid or Juice or THC in it. The reason why it is called 510 is because, 510 is a thread that helps screwing both the Battery and the Cartridge. Specifications: 900 MAh Adjustable Voltage 3.3V-4.8V More Power 20 Seconds Hold Time *Size color may vary due to hand-made. **This image shown may differ slightly from the actual product.
