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External Battery

Let's talk about batteries and delve into the world of external batteries suitable for vape devices. From understanding the basics of external batteries to exploring the types available, weighing the pros and cons, and uncovering essential safety tips, this comprehensive guide will equip you with the knowledge to power up your vaping device safely and optimally.

What Are External Battery Vapes?

External battery vapes refer to devices that require separate, removable batteries for operation. Unlike built-in battery vapes, which have an integrated battery that is recharged via a USB cable, external battery vapes allow users to swap out discharged batteries for freshly charged ones. This feature gives vapers the flexibility to carry multiple batteries for extended usage without waiting for the device to recharge.

Some devices, such as vape mods, also come in various configurations, ranging from single battery to quad battery types, and they typically require external batteries for operation. 

Types of External Batteries

Most vape devices use lithium-ion (Li-ion) batteries because they are known for their high energy density, rechargeable nature, and long lifespan. Here are some common types of these Li-ion batteries:

  • 18650: Popular for their balance of size and capacity, these batteries are the most common type of batteries used in vapes.
  • 20700: With a larger size and higher capacity than 18650 batteries, 20700 batteries offer longer battery life.
  • 21700: The largest in size and capacity among these three options, 21700 batteries provide extended power for high-wattage vaping.
  • 26650: Less common but known for their higher capacity and ability to handle high current loads, 26650 batteries are suitable for specific vape devices.
  • 18350: Smaller and less common, 18350 batteries are mostly used in compact or mini vape mods that require a less battery capacity.

Pros and Cons of External Battery Devices

When considering external battery devices for vaping, it's essential to weigh the advantages and disadvantages. Understanding the key pros and cons will help you determine if external battery setups are right for you.

Advantages of External Battery Devices

  • Easy battery replacement and swapping whenever needed.
  • Users can simply carry spare batteries for prolonged vaping sessions.
  • No need to replace the entire device when it runs out of battery. External batteries can be replaced once they reach the end of their lifespan.
  • External batteries can deliver higher power output for enhanced performance.

Disadvantages of External Battery Devices:

  • Users need to purchase extra batteries separately.
  • External batteries require proper care and handling to ensure battery safety.
  • Vape devices with external batteries tend to be heavier and bulkier.
  • Users need to ensure that the batteries are compatible with their device.

Battery Safety Tips

  • Make sure to only use batteries from reputable brands and trusted sources.
  • Inspect your batteries regularly for any signs of damage, such as dents or tears on the wrapping.
  • Store your spare batteries in a protective case to prevent short circuits or accidental discharge.
  • If you need more than one battery, use batteries from the same brand, model, and age.
  • Follow the manufacturer's guidelines for charging the batteries and never leave them unattended while charging.
  • To prolong their lifespan, charge your batteries when they fully loose their charge.
  • Don't use damaged batteries as they can be unsafe and pose a risk of explosion or fire.
  • Avoid carrying loose batteries in pockets or bags where they can come into contact with metal objects, potentially causing a short circuit.
  • Don't expose batteries to extreme temperatures or direct sunlight.
  • Avoid overcharging your batteries or use chargers that are not designed for the specific battery type.

Ask the Expert! Sam – Your Trusted Vape Connoisseur

Introducing our resident professional vape expert, Sam – a seasoned connoisseur and owner of Rhythm N Vape with a wealth of knowledge and a passion for all things vaping. Sam is here to be your go-to guide, answering your questions, offering tailored advice, and sharing insider tips to elevate your vaping experience.

What Type of Batteries Are Used in Vapes?

Vapes commonly use lithium-ion batteries, specifically rechargeable ones like 18650 or 21700, due to their high energy density and stable performance.

Are External Lithium-Ion Batteries Safe?

Lithium-ion batteries are safe if you use them properly and follow recommended charging practices. Don't forget to inspect them for damage and only use batteries from reputable brands for optimal safety.

Can I Use Regular Batteries in Vapes?

Regular alkaline batteries are not suitable for vaping devices as they do not provide the required power output and can pose safety risks.

What Is the Difference between 18650 and 21700?

18650 and 21700 refer to the sizes of lithium-ion batteries. The main difference lies in their dimensions, capacity, and power output. 21700 batteries are larger and have higher capacities than 18650 batteries, potentially offering longer usage times between charges.

How Can I Reach Out to Sam for Personalised Vaping Advice?

Feel free to submit your questions to

I hope that helps and if you have any more questions I would be happy to answer them! Get in touch today! Sam. 

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