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510 carts and vape pen refills
A 510 cart is a small tank of THC oil that screws onto a pen battery. The number 510 is just the name of the screw size. Almost every pen battery uses it, so most carts fit most batteries.
Vape cartridges are the refill side of vaping. You keep one battery and swap in a new cart when the oil runs out. Over time, that often costs less than buying a new disposable pen each time.
Set the right heat
Start on the lowest heat setting. Thin oil like distillate (a strong, clear THC oil) works well on low, while thicker oil may need one step more. If it tastes burnt, turn it down.
Keep the contact clean
A cart that will not fire often has a drop of oil on the battery. Wipe the metal ends with a cotton swab, then screw the cart back on, snug but not tight.
Try new flavours
Carts make it easy to switch. You can keep an indica cart for the evening and a sativa cart for the daytime. You just unscrew one and screw on the other.
Common questions
Will a 510 cart fit my battery?
If your battery takes a screw-on cart, the answer is almost always yes. The carts on this page use the 510 screw size.
Do carts come with a battery?
No, a cart is just the oil tank, and you need a 510 battery to use it. If you do not have one, a disposable pen is the easier choice.
How should I store a cart?
Stand it up with the tip pointing up, at room temperature. Keep it out of the sun and out of hot cars so that it does not leak.