This rechargeable lithium-ion battery from Bright Bay works with all 510 thread vape cartridges available here and elsewhere. It comes with a charger that can be plugged into any USB port to top up the charge.
400 mAh pen-style, button-activated battery. 
Single temperature/voltage setting. 
Works with all 510 thread cartridges (the most widely used vape cart format).
5 clicks of the button turns the battery on or off.
While on, hold down the button as you vape. 
Screw on the charger and plug it into any USB port, phone charger or receptacle to recharge.