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Lynn Lutz

Best Vape Battery: Safety Tips & Best Practices (Beginner & Advanced)

By Lynn Lutz | March 30 2018

This post is LONG. But if you’re new to vaping (or use mech mods) it is 100% required reading. YOU DO NOT MESS AROUND when it comes to a vape battery. Period. 


If you are looking for the best vape battery with the highest amp rating, what criteria should you use?

You should start by finding the manufacturer’s specification sheet, and checking what the “continuous discharge rate” (CDR) is.

There are actually two types of discharge rates that may be listed.

The continuous discharge rate (CDR – safest) and the pulse discharge rate (PDR – dangerous).

As vapers, we emphasize on the CDR as this is the specification that the manufacturer rated the vape battery to discharge the entire charge of the battery without going into thermal runaway and destroying itself.

The CDR is the industry standard for determining the vape battery’s capability to provide electrical current safely.

One can easily compare one model or brand to another based on this specification.

Pulse discharge ratings have no set standard for how long the “pulse” should be.

Every manufacturer’s definition is different.

For one company it may be 0.5 seconds, for another, it may be 2 seconds.

Choosing a battery solely on it pulse rating makes comparing different models and brands impossible because of the way different companies set up their pulse rating.

Pulse Ratings are Useless 

Have you ever considered using a vape battery because of its high pulsed current rating?

At first glance, the pulse rating seems to make a lot of sense.

After all, when we vape we don’t run our batteries continuously.

We only use them for a few seconds at a time.

And considering how much higher the pulse ratings are, versus the continuous ratings, it’s very tempting to choose a vape battery based just on its pulse rating.

Don’t.

As I said earlier, there are no standards for these pulse ratings.

One battery reseller could base their rating on taking 4 second draws every minute and another might base their rating on 10 second draws every 20 seconds.

These two examples will result in very different temperatures and performance.

The same vape battery could get a 40A rating one way and a 30A rating the other way. It makes comparing batteries by their pulse ratings impossible.

But that’s not the worse of it.

Choosing which vape battery is best based on pulse ratings is not only impossible, it can be unsafe, too.

What happens if our regulated mod autofires? Or our mech mod’s button gets stuck on or is accidentally pressed in our pocket?

If we have set up our mod with a low resistance coil that forces us to only rely on a battery’s pulse rating, we could be in big trouble.

We can easily overheat the vape battery, causing it to vent or explode in thermal runaway.

So how should you choose a vape battery to get both the most power for your mod and still be safe?

Either go by the CDR, or find a reviewer like Mooch that tests batteries beyond the CDr and records temperatures to know when it becomes unsafe.

But for longer vape battery life, consider running your batteries below their CDR. It adds a greater safety margin as the batteries age and lets them run cooler.

Six Reasons Why Not to Use the Pulse Discharge Rating

  1. It is not within the intended operating parameters of the battery. It’s akin to running your car’s engine in redline mode all of the time. You wouldn’t do that to your car, so why do it to your battery?
  2. If your setup relies on the pulse rating, it’s instantly over spec. Running a vape battery at or over the edge of its limits allows no margin of safety in case there is a short.
  3. If you are using a vape battery which advertises a “maximum discharge rate” of over 30 amps, it is a rewrap battery. Which means it is a “reject” battery from one of the larger original manufacturers who deemed the cell to be too inferior in quality to be sold under the parent brand. the reseller has merely put a different wrap on the cell and “inflated” the advertised rating to entice you to buy their battery. Based on bench tests by an independent researcher, these batteries are 10A – 20A continuous.
  4. The life expectancy of your vape battery is going to suffer. Using a battery above its CDR is going to cause accumulative internal damage to the battery over time. This will prematurely “age” the battery. As the battery ages, the mAh of the battery degrades. As the mAh degrades, so does the battery’s C Rating (amp limit). So down the road, your 20 amp battery may only be a 10A battery, your 30A battery only a 15A battery.
  5. No margin of safety. For example, not long ago I was vaping on my rebuildable dripper at 0.6 ohm. Suddenly my vape was extremely harsh. I knew my wick was wet so it wasn’t a dry hit. I removed the dripper from my mech and checked the resistance on my ohm reader. I was surprised it read 0.1 ohm. I checked the post screws and one of them was loose. I retightened it and rechecked the ohm reading. It was 0.6 ohm again. Had I relied on a pulse rating and built a 0.3 or 0.4 ohm coil, that loose screw would have caused the resistance to fall to 0.0 ohm, which is a hard short. I would have blown up the battery or the mod.
  6. Ohm’s Law calculations and Watt’s Law calculators assume that you are using the CDR of the battery. The results of these computations are worthless if you don’t know the CDR.

Mech-Mods & Vape Battery Safety

You might say, “My vape buddies and myself are running a 0.1 ohm coil on our mechs. We’re using a 40 amp battery. And nothing bad has happened yet. We be blowing dem clouds.”

I would answer that the keyword here is “yet”. We’re all free to choose what safety standards to use for our personal use. If you want to vape on that in the privacy of your own home, that’s your business. However, if you use that setup while out in public you are not only endangering yourself but others too. There’s an old saying: “Just because you can, doesn’t mean you should.”

Let me relate a true story here to illustrate my point. A couple of years ago there was a vape convention in Texas.

A bystander in the crowd was watching a cloud chasing contest, when suddenly he yelled out in pain.

He managed to pull his mech mod out of his pocket, momentarily tossed it from hand to hand like a hot potato, and then tossed it into the middle of the room.

Upon impact, the mod exploded like a grenade, releasing a fireball onto the carpet and sending metal shrapnel into the ceiling breaking several tiles.

The owner ran off never to be seen again.

It’s a miracle that the explosion went verticle and not horizontal, or dozens of people could have been seriously injured.

pipebombmod1

[social_warfare]

What was left of an exploded mechanical mod after a vape battery exploded at a vape convention.

A lithium ion vape battery which explodes has the power of an M80 or 1/4 stick of dynamite.

Put that into a metal tube such as a mech mod and you literally have a pipe bomb.

Vapers who sub-0hm on coils that are above the amp limit (CDR) of a vape battery are irresponsible and immature.

Maybe I’m just getting old and cranky, but I didn’t take up vaping to impress my friends by how much vapor I can make, or to compete in a non-sport competition at a vape convention.

I took up vaping because I believed it to be a healthier lifestyle than smoking. 

udI7SNZ

As I said, everyone is free to set their own safety parameters, and I can only say what mine are.

Having had a vape battery explode in my first mech mod a few years ago, I tend to be more conservative.

I try to never exceed 50% of the CDR of a fully charged battery.

So with a 20A CDR battery, that would be 10 amps.

An ohm’s law calculator tells me that a 0.4-ohm build is as low as I would want to use.

Computations From An Ohm’s Law Calculator:

  • 1.0 ohm = 4.2 amp draw
  • 0.9 ohm = 4.6 amp draw
  • 0.8 ohm = 5.2 amp draw
  • 0.7 ohms = 6 amp draw
  • 0.6 ohms = 7 amp draw
  • 0.5 ohms = 8.4 amp draw
  • 0.4 ohms = 10.5 amp draw
  • 0.3 ohms = 14.0 amp draw
  • 0.2 ohms = 21.0 amp draw
  • 0.1 ohms = 42.0 amp draw
  • 0.0 ohms = dead short = vape battery goes into thermal runaway

The reason that I place a 50% limit is that as the battery ages, the mAh of the vape battery degrades, as the mAh degrades so does the battery’s C Rating (amp limit).

So down the road, your 20A battery may only be a 10A battery.

It also gives a wider margin of safety should you experience a hard short.

2016’s Highest Rated Batteries Based Upon Their CDR (per Battery Mooch)

Battery Mooch is an electrical engineer who works as an independent contractor designing and maintaining customized battery systems for a variety of corporations.

He has the know how and gear to do sophisticated bench testing of batteries, and has done safety tests on hundreds of 18650, 26650, and 18350 batteries.

Being a vaper himself, he is aware of the ideal characteristics a battery must have to be safe for vaping.

He is hands down the best battery resource person that I have run across.

He is becoming “internet famous” by appearing on vape related Youtube channels like Plumes of Hazzard, Grimm Green, and PBusardo.

You can view his research on his blog.

35A Plus CDR batteries: None. The batteries advertising 35A or more test out to only be 10A – 20A CDR. Don’t fall for the advertising hype.

30A CDR: There are six batteries to choose from. LG reigns as the king here with 5 entries with 30A, and the Sony VTC3 brings up the rear with 28A.

All in this category are limited to only 1500 mAh. When it comes to amps vs mAh, I guess you can’t have your cake and eat it too.

Screen Shot 2016-05-04 at 09.59.05

The Sony VTC4 2100 mAh, often touted to be a 30A battery, only tested out as a great 23A CDR battery.

375725-e80826e842f37ec825e3c9d326022214

The Sony VTC5 2600 mAh tested out as being a great 20A CDR battery.

376248-b8539a19e3674529dd18c0d4a7b45fbd

If you are looking for more mAh capacity but still have a decent CDR, you could go with the below 3000 mAh 20A CDR batteries:

Screen Shot 2016-05-04 at 10.01.11

Best Places To Buy Your Vape Battey? 

I get all my batteries from VaporDNA – they have a great selection and plenty of options.

All the vape battery brands it sells are highly-rated too.

Another great option is Illumn.

[social_warfare]

UP NEXT: 

  • NITECORE Review: An AWESOME Battery Charger
Best Vape Battery: Continuous vs Pulse Discharge Ratings

Filed Under: Features, Tutorials

Are You Using a “Rewrap” Battery? Exposing The WORST Brands In Vaping

By Lynn Lutz | May 03 2019

I’m a firm believer that our choice of batteries for our mods is the most important decision that we make concerning our gear. By nature, the 18650 battery industry is extremely competitive, secretive, and sometimes deceptive to consumers. If you aren’t using an Aspire, LG, Panasonic, Samsung, Sanyo, or Sony battery chances are you are using what is called a rewrap. All the other batteries on the market are probably using a cell made by one of the above manufacturers and simply adding their own logo on the insulating wrapper.

Let’s talk about how the battery industry works.

The brands LG, Samsung, and Sony are well known to vapers, as well as in the battery industry. These three manufacturers make the majority of cells in the 18650 market.

They represent the pinnacle of current technology and innovation.

Batteries are not created equal despite high standards of engineering, technology, and manufacturing techniques. After the cells are made, they go through a series of quality control processes. They then are sorted as to their overall quality. “A bin” batteries represent the top tier and are reserved for sale for the auto and OEM power tool industries. “B” and “C” bin batteries are lesser in quality and are generally sold off to those brands or companies who rewrap batteries under their own log or brand.

Building a new battery factory is a huge, multi-million dollar investment. With all of the new upstart brands of batteries appearing out of nowhere recently, one has to wonder how they can advertise amp ratings which seem to be too good to be true. The facts are, it is too good to be true.

Why Rewrap A Battery?

It is far cheaper and more profitable for an upstart brand to rewrap another manufacturer’s reject cell and throw on a pretty wrapper with its own logo than it is to start a new factory. Paying only 10 to 20 cents per battery for these lesser quality batteries and then charging $6 to $10 per battery just for a new wrapper is quite a profit margin. Add to this that most of these companies over-rate their amp and mah ratings to gain consumers’ attention. Because there is no regulatory authority to monitor the industry they can get away with false advertising.

Many of these upstart brands are advertising “maximum discharge” ratings, not specifying whether this means the “continuous” or “pulse” discharge rating, which can confuse battery experts as much as regular consumers. There is a huge difference between the two, and I will write about this in a future article. For now, let’s imagine we are eavesdropping into a board meeting at one of these upstart companies.

CEO: Good morning. What cells have we acquired?

Inventory Team: We have a small batch of “A” bin LG 30 amp batteries. And we also have five large batches of “C” bin Samsung 20 amp batteries.

CEO: What consumer base should we be targeting with our advertising?

Research Team: We should target the ecig mod users. They are always looking for high amp batteries.

CEO: OK, good. Let’s go heavy on the advertising. Say that they are 40 amp batteries. Make sure our wrappers boldly say 40 amps.
Marketing: Consider it done. I already have some YouTube reviewers in mind who always give great reviews if they receive free gear. We’ll make sure they get the “A” bin batteries to review, just to be sure.

CEO: When the “A” bin batch runs out, switch over to the “C” bin batteries for sale to the distributors and vendors. If sales run slow, make arrangements to sell them on Ebay and Amazon.

The above fictional scenario was created to demonstrate how these companies can inflate the specs of the battery and also change the make, model, and quality of the battery at any given time.

So you may be asking how do I know this stuff? Battery rewraps have been a common practice for years. In some cases, it doesn’t matter much as long as the rewrap company is honest about the battery specifications. Orbtronics openly admits that their house brand are rewrapped Panasonics. Xtar admits to rewrapping Sony batteries.

Back in the day, China-based AW made a great reputation and a lot of money allegedly selling rewrapped batteries. I don’t believe the company admitted they were rewrapped, but you could read between the lines. Their ICR battery labels used to say, “Manufactured in China, cell, and IC made in Japan”.

It’s only a hunch, but I believe AW made enough fortune to build his own factory in China. His ICR batteries now say only, “Made in China”, as do his IMR batteries. If memory serves me correct, AW was the first brand to offer IMR batteries before any other brand. They also make great performing IMR batteries in 18350 and 18490 sizes. LG, Panasonic, Samsung, and Sony don’t make this size of IMR battery, so if AW isn’t making them, who is? The new AW 18650 3000mah 20 amp battery is the only AW battery which says, “Made in Korea”, its bench test mirrored the LG HG2 3000mah 20 amp, so it might be a rewrapped LG (LG is based in Korea).

What I detest is when a rewrap has over-rated specifications through deceptive advertising to con consumers into believing they are buying a superior battery. In certain applications, this could have serious consequences to an unsuspecting user.

This first came to my attention a couple of years ago when Dampfakkus, an independent battery researcher, published that a particular purple battery manufacturer was very likely rewrapping batteries and inflating the specifications.

efestn-550x299

Removing the insulating wrap of a Sony VTC4 and a Purple Efest 2100mah 30 amp revealed the same cell underneath.

The Efest 2100mah 30 amp battery had a Sony VTC4, so no problem here because the advertised specs were the same as the Sony. However…
The Efest 2500mah 35amp had an LG 2500 mah 18650 HE2 cell, which LG said was only a 20 amp battery. The Efest 3100 mah 20 amp had a Panasonic NCR18650BE, which tested out as only a 6 amp rating.

Efest protested that the samples tested by the research must have been counterfeits, and insisted that they make their own batteries and don’t rewrap. They began “authenticating” their batteries with codes that a consumer could check, but it didn’t really matter. The authentic batteries didn’t test out any better than the so-called fake ones.

Not too long after this, Battery Mooch came along with his own independent bench tests. His findings consistently show that all of the suspected rewrappers’ batteries with an amp rating over 30 amps are only 20 amp batteries. Batteries manufactured by AW, LG, Samsung, and Sony consistently matched their advertised specifications.

Does this mean that your rewrap batteries are “bad” or not safe? Not necessarily, it depends upon how you are using them.

If you’re using them in a regulated mod, the protection circuitry will most likely inform you if the battery is inadequate to provide the watts you ask of it. The overall performance of your regulated mod may suffer poor performance.

However, if you’re using them in a mech and running a super sub-ohm build, you may be at risk. Using what you believe to be a 40 amp battery with a 0.2 ohm build (not realizing its only a 20 amp battery) sounds pretty dicey to me.

When you can buy an authentic LG, Samsung, or Sony battery from a reputable dealer for $6 to $8, why pay that much or more for a suspected rewrap? Which is more than likely a “B” or “C” bin battery? And more than likely has inflated specs?

In early 2016, reviewer Phil Busardo visited China and filmed a tour of the Aspire battery factory. He gained access and permission to film this because his friend is a part owner of Aspire. Phil also tried to visit another un-named factory, and was coldly told, “We don’t need you here.” Until more companies open their doors, we have no certain way to know if they are a legit manufacturer or just a rewrapper.

In closing, learn to become a wiser and more informed consumer. Don’t believe the advertising hype of 30 amp plus batteries, they don’t exist. Do your research before buying. Check Mooch’s Blog to see which batteries he tested and which ones he recommends.

If you want the best quality batteries, the ones listed below are well worth a look:

Best 18650 Vape Battery Brands

PICTURENAMEFEATURESBest Place To BuyRATING

best vape batteries

Sony VTC5A

  • Nominal Capacity: 2600mAh
  • Nominal Voltage: 3.7V
  • Size: 18650 (Cylindrical)
  • Minimum Capacity: 2000mAh
  • Max Continuous Discharge Current: 25A
  • Full Charge Voltage: 4.2V
  • Discharge Cut Off Voltage: 2.5V

100%

best 18650 battery

Samsung 20S

  • 18.43 mm by 65.00 mm
  • Capacity: 2000mAh (Max), Max Continuous Rated Discharge: 30A, & Nominal Voltage: 3.6V~3.7V

100%

best 18650 cell

Sony VTC6

  • Chemistry: NMC
  • Nominal Capacity: 3000mAh
  • Nominal Voltage: 3.6V
  • Discharge: 15A Max Continuous or 30A Max Continuous with 80C temperature cutoff
  • Positive: Flat
  • Dimensions: 18.2mm x 64.9mm

99%

best vape batteries 18650

LG HG2

  • Capacity: 3000mAh
  • Maximum continuous discharge current: 20A
  • Continuous maximum charge current: 4A
  • Nominal voltage: 3.7V
  • Cut off voltage: 2.5V

97%


References:

18650 Battery Buying Guide for Vapor Users, Wake and Vape

A Beginner’s Guide to Lithium Batteries, Mind of Morandir

18650 Battery Safety Grades — Picking a Safe Cell to Vape With, Mooch’s Blog, E-Cigarette Forum

Purple Efest Batteries Not As Advertised, Baditude’s Blog, E-Cigarette Forum

Dampfakkus


We get ALL our batteries from Direct Vapor for one simple reason: we know and trust them and they only sell the safest and most reliable cells, built by reputable brands. DO NOT cut corners when it comes to buying batteries; the risks are just too great. 

BUY IT NOW


Wismec Reuleaux RX200 Box-Mod

Filed Under: Advocacy, Features

How To Spot A Counterfeit LG HG2 18650 3000mAh 20A Battery

By Lynn Lutz | May 09 2016

It has come to my attention that the popular chocolate LG HG2 18650 3000mAh 20A battery is being counterfeited. The counterfeits have shown up at several reputable battery resellers recently. Like the popular red AW batteries and Sony VTC batteries in the past, this LG model appears to be the latest victim of counterfeit crime.

Physically, it can be difficult to tell the counterfeits apart from the authentic models unless you can do a side-by-side comparison. The counterfeit’s top insulator ring is shiny, while the authentic’s top insulator ring is matte or dull.

image

Knowing this, if you were going to be buying this battery in the upcoming future, you may want to substitute another like battery for the time being until the resellers can sort this issue out with their suppliers.

The AW IMR 18650 3000mAh 20A and the Samsung INR 18650 30Q 3000mAh 20A are both comparable to the LG HG2. Having dealt with counterfeiters before, the AW has a special holographic AW sticker and a distinctive half-circle black ring around the bottom of the battery to make it more difficult to counterfeit.

image 2 image

Counterfeiting is a huge business in the battery world. Disreputable resellers can purchase cheap poor quality batteries for 10 cents a piece, re-wrap the cell to look like a popular brand, and then sell the battery for $8 – $16 a piece. Now that’s a huge profit margin! Counterfeit batteries are mostly sold to online resellers like on EBay and Amazon, but some may find their way to online ecig vendors or vape shops, too.

To decrease the risk of purchasing a counterfeit battery, I recommend buying from reputable resellers such as RTD Vapor, Illumination Supply, IMR Batteries, or Orbtronics, who specialize in batteries.


 

SOURCES

  • Can You Identify the Fake LG HG2 18650 Battery?—Battery Brothers
  • Counterfeit/Low Grade LG HG2 Test Results —Mooch, ECigForum
  • Fake/Low Grade LG HG2 Update –Mooch, ECigForum

READ THIS NEXT: 

  • Best Vape Battery: Continuous vs Pulse Discharge Ratings
  • Are You Using a “Rewrap” Battery? Exposing The WORST Brands In Vaping
  • The BEST RDA Tanks: Time To Get DRIPPIN’
  • Mech Mods & Direct Battery Safety: What You NEED To Know About Them

How To Spot A Counterfeit LG HG2 18650 3000mAh 20A Battery

Filed Under: News, Tutorials

Mech Mods & Direct Battery Safety: What You NEED To Know About Them

By Lynn Lutz | April 28 2016

When it comes to advanced mass marketed systems like cell phones and laptops and hybrid electric cars, the system designers of those products have taken appropriate steps to make them “safe” for uninformed end-user use. Purely mechanical unregulated ecig battery mods and uninformed end-users is a dicey proposition.

Most consumer battery operated devices are no where near the limit of the battery’s operating limits. The high-end flashlights, remote control toys, and e-cigarettes come to mind as applications that can really push the limits of a battery. With the RC toys the device is physically far removed from the person so a mishap is inconsequential. With e-cigs a mishap is literally in the persons face.

Battery Safety When Vaping

I’m going to be talking about “direct battery” mechanical mods, also known as “faux hybrid” mods, “hybrid-look” mods, or incorrectly known as “hybrid” mods.

A “true hybrid” mod has a “dedicated” juice attachment, either an RBA permanently attached to the top cap, or an RBA with something other than a common 510 threading. Below is a picture of a true hybrid: The atty has 20×1 threads, it attaches to the body of the mod, there is no top cap.

image

A direct battery mod will have no 510 center pin in the top cap. There will be 510 threading, but where the insulated center pin is normally found, you’ll only see the top of the battery. See the pic below of a SMPL direct battery mod; note there is no center pin in the upper right photo.

RoylegH

There are also mechs which come with two types of top caps: one with a normal 510 center pin (left), and the other with the direct battery top cap (right). See pic below.

20160129_151013[1]

These designs have become popular with the “cloud chasing” crowd, for whatever reasons. Users believe the absence of the insulated center pin will lower the voltage drop of the mech. However, without the proper knowledge or experience these mods can be potentially very dangerous to someone not familiar with their differences from other mechanicals. Using an incompatible juice attachment with a direct battery mod can cause the battery to go into thermal runaway. In other words, it can cause an explosion.

A direct battery mod requires the use of an extended center pin in the 510 connector of the juice attachment to make safe and proper contact with the battery. Should the outer 510 connector (with the threading) make contact with the battery, a hard short will occur.

510-connection-pin-550x329

Above: extended center pin on the two juice attachments on the left. Normal 510 connector without extended center pin on the right.

When eCigs EXPLODE

It is believed that a disproportionate number of mech mod explosions have been from the uneducated use of a direct battery mod with a juice attachment with a common 510 connector without an extended center pin … whether that be a common clearomizer tank or RBA.

So, what should you take away from this article is:

  • Know what a direct battery mod is
  • Know what type of connector is required for safe use
  • If you use one of these setups, always check that the center pin of the juice attachment is properly “extended” on the juice attachment
  • Routinely check the top of the battery for any damage caused by the extended center pin

— Lynn Lutz is into his fifth year of vaping, one of which included working in a vape shop for one year.

Mech Mods and Direct Battery Safety

Filed Under: Features, Tutorials

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