Cannabis Pen vs Cart: Pick the Cart First

The pick: cart first

A cannabis pen and a cart are two parts of one system. The pen is the battery and housing. The cart is the cartridge that holds oil. You cannot use one without the other unless the pen is a disposable.

Should I Buy a Cannabis Pen or a Cart?

Buy the cart first if you own a working 510 battery. Buy a disposable pen first if you own no battery. That order cuts cost and waste.

Cannabis Pen vs Cart Review: Which One is Right for You?

What each part is

Most carts use a 510 thread. The thread measures 7 mm across. Carts ship in 0.5 g and 1 g sizes. Oil weight is printed on the package.

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A 510 battery holds a charge and sends power to the cart. Batteries run from 2.5 V to 3.8 V. Low settings, 2.5 V to 3.0 V, suit live resin. Higher settings, 3.3 V to 3.8 V, suit distillate. A dial battery gives you that range. A disposable fixes one voltage.

Cost and waste

A 510 battery is a one-time buy. You keep it across carts. A disposable pen combines battery and oil in one unit. The battery goes in the trash when the oil runs out. A cart can cost less per gram than a disposable because you reuse the battery.

Clogs and leaks

Both formats clog. A cart on a dial battery lets you lower voltage. Lower voltage reduces clogging from overheated oil. A disposable gives no voltage control. Store carts upright at room temperature. Do not leave them in a hot car.

Labels and testing

Licensed shops in states with testing rules sell tested products. California requires batch tests for potency, pesticides, heavy metals, and solvents. Labels list batch number, test date, total THC, total CBD, and solvent results. Ask for the batch test.

In 2019, CDC found vitamin E acetate in lung fluid samples from EVALI patients and named it a primary cause. Vitamin E acetate is not a permitted additive in licensed US cannabis products.

Pick order

1. Own a 510 battery: buy a 0.5 g or 1 g cart. Check the thread and the voltage range.
2. Own no battery: buy a disposable pen or a 510 starter kit. A starter kit costs more up front and gives voltage control.
3. Read the label: batch number, test date, total THC in mg, and total cannabinoids.
4. Skip unlabeled carts and counterfeits. Skip carts with no batch test.

Store note

At Pop's Cannabis, ask the budtender for the batch test and the oil type. Distillate carts carry added terpenes. Live resin carts keep the plant's terpenes. The label states the difference.