Sub-40 Review


by Thanush Poulsen

Updated: July 15, 2021

Mig Vapor Sub-40 desktop

Review Score: 94/100

Price Range:
Red, Silver, Black
Battery Capacity:
22.0mm x 32.0 mm x 81.0mm
Works with:
  • Wax icon


  • Long-lasting performance
  • Comes in three colors: red, black, and silver


  • While the battery is strong, there could be room for improvement

Starting Price: $ 89.95

Vapers looking for a reliable introduction to the sub-Ohm vaping scene may find the Sub-40 vape mod battery from Mig Vapor to be a great choice. Multi-cartridge compatibility gives this battery great versatility, and the 2200 mAh capacity offers long-lasting performance to vapers who want to vape on the go.

Mig Vapor Sub-40 desktop

The Sub-40 vape mod battery from Mig Vapor provides an exciting, powerful product that’s compact and sturdy. For anyone in the market for extra power and a battery that lasts on the go, the Sub-40 box mod is an exciting addition to any vapers’ collection.

Compatible with many herbal cartridges and atomizers buyers have an extensive choice of what to vaporize. So, whether vapers need to take a break from the office, socialize with friends, or vape outside at a party, the Sub-40 is the perfect, powerful, companion in many situations. With a strong reputation for quality, Mig Vapor produces products that also consider vapers’ wallets. At an affordable price, the Sub-40 guarantees excellence in three colors – black, silver, and red – so that vapers can take a pick of the vape that most closely matches their style.

Sub-40 — a Mix of Power and Quality

Mig Vapor built the Sub-40 with excellence in power, form, and function in mind. With power comes to strength, and the Sub-40 small box mod combines a wear-resistant stainless-steel thread with a strong spring connector for added durability. The Fogger Wax vaporizer atomizer tank comes in combination with SUB-40 in a Dab Pen Atomizer Brain Fogger Sub-40 Mini Kit.

SUB 40 Watt Vape Mod Battery image

Many users note the solid build matched with a compact, sleek design that can sometimes be hard to come by in other units on the market. The Sub-40 performs the task at hand well, and for any user looking to produce significant clouds, this device is ready to impress. The Bain Fogger atomizer is created to melt every concentrate like a hell. Manufactured with a doughnut coil technology the quality of this product extends to the excellent flavor and decent temperature range that offers incredible vapor production. It’s clear that Mig Vapor has designed the Sub-40 with careful attention to detail, and with the Brain Fogger Combination, Kit is convenient and delivers as the buyer expects.

Sub-40 Extended Powerful Battery

Plugged into an A-1 wall charger, and after around two hours of recharging, the Sub-40 vape mod battery is ready to accompany vapers out for the day – and it continues to go for a long time.

MigVapor SUB 40 Vape Mod Battery design image

Mig Vapor designed this reliable battery with a more substantial working range as key to its design. With a side charging port, the Sub-40 ensures extra convenience when it comes time to recharge. That USB-charging feature also contributes to extra ease and convenience of use on the go. Vapers can charge the device by plugging it into a laptop or smartphone charger, another convenient feature.
To find out more details about Sub-40 Battery and read the full manual, please download it.

Sub-40 With Brain Fogger Atomizer — Mini Kit by Mig Vapor That is Perfect for Vaping on the Go

The size and rounded edges feel great in vapers hands. The 2200 mAh capacity on the Sub-40 means you can go longer and further without the need to recharge your device. Equipped with a hand squeeze button, the Sub-40 feels great when you unbox it for the first time and continues to offer that remarkable feel when in use.It provides the purest taste and vaping experience.

Dab Pen Atomizer Brain Fogger SUB-40 Mini image

While it fits well and discreetly in the hand, it may not slide as comfortably into your pocket as those thinner style vape pens do. The Sub-40 comes in a sturdy plastic casing. However, this shouldn’t put prospective buyers off the product; the sturdy casing adds peace of mind should you drop the device on the go. This is a battery that offers great sub-Ohm 40W performance and an impressive capacity for long-lasting power delivery. To provide this at a reasonable price, Mig Vapor continues to invest in technology to manufacture advanced products to offer vapers.

Parts of the Atomizer Brain Fogger SUB-40 image

Click here to download the full manual and instructions on how to use the Brain Fogger.

What Else is Out There on the Market?

Tesla Stealth 70 Mod Battery

The Tesla Stealth 70 offers a few more bells and whistles than the Sub-40 from Mig Vapor. The most obvious difference is its adjustable wattage ranging from 7W to 70W to provide a wider range of temperatures for vapers. Like Mig Vapor’s 40W offering, the Stealth 70 can also fit different atomizers, and the submerged atomizer design gives the unit a sleek look regardless of the length of the atomizer used.

Tesla Stealth 70 Mod

Sigelei Kaos Spectrum 230W TC Box Mod

The Sigelei Kaos Spectrum box mod offers a more premium experience, with output ranges spanning a spectrum from 10W to 230W. It also supports both Ohm and sub-Ohm atomizers with a variable resistance range going from 0.1 Ohms to 3 Ohms. To achieve the range it offers, the Kaos Spectrum uses two 18650 batteries, which also provide the unit with plenty of battery capacity to last through multiple long vaping sessions.

Sigelei Kaos Spectrum 230W

MigVapor SUB-40 Specifications

MigVapor SUB-40
Usage: Wax
Material: Stainless steel
Size: 22.0mm x 32.0 mm x 81.0mm
Color : Black, Red, Silver
Battery Capacity: 2200mAh
Thread Type: 510 Thread
Rated output voltage: 3.3V-10.0V
Rated output wattage: 5W-40W
Rated resistance range: 0.3 Ohms
Wattage: 7-40W

Pros & Cons

The Positives

  • Long-lasting performance
  • Comes in three colors: red, black, and silver
  • USB charger makes it easy to charge on the go
  • Fits comfortably in your hand
  • Connecting thread made from stainless steel
  • Exciting for vapers with some experience

The Negatives

  • While the battery is strong, there could be room for improvement
  • Experienced vapers might want more features

A Robust Vape for Those Who Want the Extra Power

The Sub-40 is great for anyone looking to add something more exciting to their battery collection – or replace a starter battery. For vapers who are experienced, and are now looking for something more exciting, the Sub-40 offers good sub-Ohm performance at an affordable price. With a range of colors, the Sub-40 matches your style — important for a battery designed for on-the-go performance. It is convenient, stylish, and effective. Looking at the Sub-40 in comparison with the competitors, the Sub-40 comes in at a good price point for vapers who want to spend a little more than their first sub-Ohm battery.

Dab Pen Atomizer Brain Fogger SUB-40 Mini Kit image

While many users have commented on its power, for those with extensive vaping experience, this product may lack the most exciting features. While this battery offers long life compared with many others on the market, Mig Vapor could make this a truly on-the-go product with a more powerful battery capability – this is likely to be a feature on any new product.

Vapers who are looking for something new should consider the Sub-40 for its robust design and capability at an excellent price point. Most importantly, with Mig Vapor as the producer, consumers guarantee they’re purchasing a reliable, quality device.

Published: October 7, 2017Updated: July 15, 2021

Thanush Poulsen

Being a regular Sweden student, I discovered innovative ways of living healthier. And with my very first e-cigarette, I’ve got obsessed with all things digital. So vaping collided my interests in electronics, science, and health. I enjoy bringing people into the world of vaping through my reviews, guides, and best-of lists.


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