No burnt taste. Big draws. Long life. It’s easy to operate no buttons needed just inhale while you take up to an 10 second draw. For those of you that like to know the numbers, it runs at 3.7 volts & 350 mAH. A specially designed usb charger for this battery comes with every order as well.
While the pen uses a 510 thread, this charger is specially made to charge a stronger lithium ion battery and has a design that will work specifically with this battery. When charging the light is red and green when charged.