Vape pen battery
Really a great battery. Simple and inexpensive. I have had great success with this battery. I have spent way more on batteries elsewhere “Spinner 2” and hated them. The Boston Hempire batteries are quick charging and tough.
Boston Hempire Black Vape Pen Battery - 510 Thread
So far so good, the ones you buy from gas stations usually break or don’t even work properly when you first buy them. So it’s nice to get one that you can rely on.