What is a Vape Cartridge?
July 10, 2026 • 4 min read
Quick answer
A vape cartridge is a small, pre-filled or refillable container that holds e-liquid and an integrated coil (atomizer). It attaches to a battery unit (vape pen or mod) via a threaded or proprietary connection. The most common connection standard is the 510-thread, which allows a wide range of cartridges to work with compatible 510-thread batteries. Cartridges are smaller than vape pods and are commonly associated with slim vape pen devices.
Anatomy of a vape cartridge
- Component: e-liquid chamber
- Description: the sealed reservoir holding vaping liquid. Typically 0.5 mL or 1 mL capacity.
- Component: coil/atomizer
- Description: integrated heating element, often a ceramic or cotton-wick coil. Resistance varies by design.
- Component: mouthpiece
- Description: usually a cylindrical tip at the top of the cartridge. Fixed, not detachable on most units.
- Component: connection thread
- Description: 510-thread (M7 x 0.5 mm) is industry standard. Some brands use proprietary connections.
- Component: viewing window
- Description: many cartridges feature a clear section allowing e-liquid level to be monitored.
510-thread cartridges: the industry standard
The 510-thread is the most widely adopted connection standard in vaping. The "510" refers to the threading specification (10 threads at 0.5 mm pitch). A 510-thread cartridge will connect to any 510-thread compatible battery.
Advantages of 510-thread cartridges:
- Cross-compatibility: one battery can be used with many different cartridge brands.
- Wide availability: stocked at most vape specialty retailers in Canada.
- Variety: 510-thread cartridges are available in a wide range of capacities, coil types, and formulations .
Proprietary cartridge connections
Some brands use proprietary non-510 connections to ensure their cartridges only work with their own batteries. These snap-fit, magnetic, or brand-specific thread designs are common in.
- Brand-locked ecosystems where the brand controls the entire product experience.
- Disposable vape pen formats where device and cartridge are sold as a single unit.
Cartridge types
Pre-filled cartridges (closed-system)
Factory-sealed with a set volume of e-liquid. Cannot be refilled. Used until depleted, then discarded and replaced. Most commonly associated with nicotine e-liquid vape pens and specific proprietary systems.
Refillable cartridges (open-system)
Feature a fill port for adding bottled e-liquid. The coil is integrated and degrades with use; the cartridge is disposed of when the coil no longer performs acceptably. Less common than refillable pods in the Canadian market but available from open-system brands.
Cartridge vs. pod: key distinctions
- Feature: shape
- Cartridge: cylindrical
- Pod: rectangular or ergonomic
- Feature: typical capacity
- Cartridge: 0.5–1 mL
- Pod: 1.5–5 mL
- Feature: connection standard
- Cartridge: 510-thread (industry standard) or proprietary
- Pod: proprietary press-fit or magnetic
- Feature: device compatibility
- Cartridge: 510 cartridges work across compatible batteries
- Pod: closed-system pods are brand-specific
- Feature: form factor pairing
- Cartridge: vape pen style batteries
- Pod: pod-system devices
How a vape cartridge works
The operating principle is identical to a vape pod:
- The adult nicotine consumer draws through the mouthpiece or presses a button on the battery unit.
- Current flows from the battery through the 510 or proprietary connection into the coil.
- The coil heats the saturated cotton or ceramic wick, vaporising the e-liquid.
- Vapour travels through the internal airflow path to the mouthpiece.
Canadian regulatory considerations for cartridges
Under the TVPA, vape cartridges sold in Canada must comply with the same regulatory requirements as all vaping products:
- Nicotine concentration must not exceed 20 mg/mL.
- Manufacturers must report ingredients and emissions data to Health Canada.
- Products cannot be sold to individuals below provincial legal age.
- Packaging must include required health warnings and be child-resistant.
Frequently Asked Questions
A 510-thread cartridge is a pre-filled or refillable vape cartridge with an industry-standard M7 x 0.5 mm threaded base that is compatible with any 510-thread vape pen battery. The "510" name comes from the thread specification.
No. Cartridges are typically cylindrical, smaller (0.5–1 mL), and use 510-thread or proprietary connections. Pods are larger, rectangularly shaped, hold more e-liquid (1.5–5 mL), and use press-fit or magnetic proprietary connections.
Pre-filled cartridges are not designed for refilling. Some open-system cartridges have fill ports. Attempting to refill sealed cartridges can cause leaking or device malfunction.
Most standard vape cartridges hold 0.5 mL or 1 mL of e-liquid. Higher-capacity cartridges up to 2 mL exist but are less common than pods for larger volumes.
Yes. 510-thread vape cartridges are widely available from licensed vape retailers across Canada. They must comply with TVPA regulations, including the 20 mg/mL nicotine cap.
Disclaimer: This article is for general information and educational purposes only, intended for adult nicotine consumers (18+, 19+, 21+) in Canada, and does not constitute legal advice or a legal opinion. Some of the information in this article is based on external, third-party sources, and we make no representations or warranties of any kind regarding the accuracy, validity, or completeness of such information.
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