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Battery Safety Week

What are the best batteries for mods? And what is the right battery to use in your mod? It's actually the most important questions someone can ask before vaping on a new device. All personal vaporisers utilise high discharge lithium batteries. These batteries are by far the most crucial part of your device. When handled properly they are quite safe but if mishandled can be dangerous (especially in a mechanical mod). Below you will find everything you need to select the best battery for mods as well as tips to keep it working in tip top condition for the duration of its lifespan.

Does Battery Size Matter?

Yes, Most e-cigarettes will only fit the size battery it is intended to use and it is strongly recommended to use only the size specified for your device.

Brand, Does it matter?

Absolutely, using an authentic battery from a reputable brand will ensure your battery will operate safely and as intended within its rated specifications. Using low-quality batteries runs the risk of damaging your device and potentially injuring you and others. A little extra money spent on quality batteries can save a lot of money and headache in the long run.

Battery Ratings, they are not all created equal.

Lithium batteries are measured and rated by voltage, amperage and storage capacity. For vaping purposes, all batteries in use are rated for a Voltage of 3.7v. This rating is the nominal or average voltage meaning the battery is considered fully charged at 4.2v and considered dead at 3.2v. Then you have the Amperage rating. More specifically the amperage rating determines the maximum continuous discharge rate of the battery. This is can be measured a few ways but usually a number followed by either an “A” or a “C” (i.e. 15C or 30A). The storage capacity is measured in milliamp hours indicated by a number and “mAh” (i.e. 2100mAh). The higher the mAh the longer your battery should last. It is absolutely crucial that you do not exceed your batteries limits if you do it is most likely that your battery will fail possibly resulting in a fire, explosion, other damage to your device, or worse yet it could injure you or someone else. So always try to pick the best batteries for mods, to avoid such failures.

 

Battery Safety

Lithium Ion batteries are safely used in literally millions of of e-cigarette devices every day. However, there are some risks associated with such high energy devices that all e-cigarette users should be aware of.

Batteries can present a fire risk when short-circuited, over-charged, submerged in water or if the cases they are stored in are damaged. Although many Lithium Ion batteries are “protected”, the following cautions are still important, as the protection circuit is a potential safety mechanism rather than something that should be relied on without question.

Li-Mn batteries (“IMR”) present safer chemistry and less fire-risk, but are capable of delivering  high power in a short burst. If short-circuited the metal causing the short can get hot very quickly, which may lead to other damage or secondary fire-risks and injury to people.

 

Following the points listed below should lead to a long battery life and low risk to personal safety in your surrounding and to you:

 

  • Always buy your batteries from a reputable vendor.
  • Check that the product or packaging displays safety markings and that the distributor can prove their authenticity.
  • Do not store, use or charge batteries in extremes of temperature, high or low. nly use charging equipment in good condition and specific to your battery type. Never mix batteries from one manufacturer with a charger from another without specific confirmation of compatibility.
  • Always charge batteries specifically as directed in the product instruction manual.
  • Do not leave charging batteries unattended, and always charge batteries away from flammable materials.
  • Transport loose batteries properly separated in non-conductive (e.g. plastic) containers, and never where they can come into contact with metal items that can cause a short circuit (e.g. pockets full of loose change or keys).
  • Do not use batteries with visible leaking or mechanical damage to the case, insulation or terminals.
  • Do not continue to use batteries that have ceased to function normally.
  • Do not submerge batteries in water. Batteries should be disposed of and recycled in accordance with your province's appropriate legislation.
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    DO'S AND DON'TS WITH BATTERY SAFETY

    DO NOT:

    DON’T ever trust a charging source to not overcharge a battery (Including internal batteries charged via USB!)
    This is strictly a safety precaution as batteries heat up when they are being charged and one shouldn’t trust their charger not to potentially overcharge a battery, even if it has a cut off.

    DON’T ever paint, modify or take apart your batteries, this can be rather dangerous.

    NEVER:

    Do Not carry batteries without a case.

    NEVER remove the wrapping from a battery or use a battery with damaged wrapping where you can see exposed metal of any kind. An unwrapped or damaged battery is guaranteed to be a potentially dangerous battery. Inspect your batteries! If you are unsure, it’s best to get NEW batteries or have an experienced individual re-wrap your current batteries.

    NEVER keep extra batteries stored without a case or carry them loosely, a single piece of metal touching the contacts of a battery can cause it to discharge in your pocket.
    (Buy a Battery Case!)

    NEVER use off-brand, unmarried batteries. ALWAYS use the same brand, same aged and same exact model of batteries together!

    NEVER charge your batteries at a rate you aren’t sure they are safe with. 18650’s should be charged at 1.0A, 26650’s should be charged at 2.0A and one should only use the same kind of USB cord as that which came with your device in the case of USB charging.

    NEVER leave charging batteries unattended for long periods of time. (Including internal batteries being charged via USB!)

    NEVER blindly place batteries in your device, always ensure you are properly installing them and NEVER place batteries in a device/charger backwards or improperly!

    NEVER place batteries near or on top of any kind of metal object, such as a table or laptop.

    DO:

    Always keep your batteries in a battery case!

    DO inspect your batteries and their wrapping for any damage EVERY TIME you remove them, only ever use a battery you KNOW is pristine and safe.

    DO remove your batteries / device from the charger once the charger or device indicates that the cells are at full capacity.

    DO if you use a multi-battery device, STORE AND USE batteries in PAIRS. This is called “Marrying” your batteries, from day one when you get new batteries always exclusively use and charge those batteries together with only one another and ONLY with the same device you initially put them in, this ensures your batteries are aged the same to ensure steady output and pro-long life.

    Are Batteries and Vaporizers Dangerous?

    The truth is that the battery cells used with e-cigarettes are very, very similar and in many cases the exact same as you will find in cell phones, tablets and electronics across the world. Most laptop battery packs even use multiple 18650 style batteries in their internals to provide power to your laptop, as do most things that use battery packs such as construction tools.

    The most commonly used batteries in vaping for GOOD REASON (Due to their High Drain Rate due to their chemical makeup and better “Amperage Rating” which we’ll cover below.) by far are the 18650 and 26650 batteries. What is the difference? Simply: it’s the size of the battery itself, much like an AAA or AA battery for example, the 26650 is bigger than the 18650.

    Other than that however, two different models of a battery can be different in regards to capacity and Amperage Rating, which is how much “load” or “strain” the battery has been rated to endure safely and they can also differ in voltage and chemical makeup which is important. (This applies to all forms of internal batteries as well.)

    Although nowadays, all of these details aren’t as pressing as they used to be as battery technology has moved forward and many safety measures have been implemented and the culture of vaping has set standards and only recommends specialized, high drain batteries that have been standard now for quite a few years and AUTHENTIC, HIGH QUALITY batteries 99% of the time don’t just randomly compress their contained energy and explode anymore. And in the rare cases they do, human error is to blame.

    Venting

    You may have noticed most devices have holes or air vents that go to the battery compartment of the device, this is for a safety measure called “Venting”. Batteries are made with a protection system where if there is any intense temperatures, shorts or problems, the battery will “Vent” it’s chemicals and start smoking to release the pressure within the battery instead of potentially building pressure, that might make the battery explode.

    Most electronics that we mentioned before such as construction tools, phones and tablets with their batteries, sometime lack this protection. And in conclusion, there is nothing magical or unknown, or otherworldly that makes the proper specialized batteries, used properly by the user in a personal vaporizer that makes a vaporizer anymore dangerous than ANY OTHER battery powered device you use in your day to day life.

    The warnings provided on this page are for your safety and we just want to reassure you that batteries are not inherently dangerous if handled PROPERLY with a mind to COMMON SENSE. Would you take the battery out of your phone and put it in your pocket full of change or toss them into a pool of water? This is a danger even with more common batteries such as AAA, AA, C batteries. If you do this, it’s not the battery that is flawed.

    So if you happen to make a battery Vent and you start seeing smoke, this is what you should attempt to do.

    ISOLATE IT FROM OTHERS, FIND THE NEAREST EXIT AND LEAVE THE BATTERIES/DEVICE OUTSIDE (NOT IN RAIN OR WATER!) AND GIVE IT AN HOUR EVEN AFTER IT STOPS SMOKING!
    If there are FLAMES, DO NOT PANIC and CONTINUE TO ISOLATE IT, DO NOT TRY TO SUFFOCATE OR DOUSE THE FLAMES AND TAKE EXTRA PRECAUTION!

    AVOID TOSSING OR THROWING THE DEVICE AROUND OTHERS, DO NOT PANIC! Batteries are INTENDED TO DO THIS! TOSS OR THROW ONLY IF IT IS SAFE TO DO SO AND NEVER THROW AT GREAT HEIGHT!

    Make sure before attempting to investigate what went wrong that you have given it ample time for the batteries to Vent, the device and batteries to cool down after venting and patiently waiting long after such. When you go to remove the now likely destroyed batteries, take a safety precaution and ground yourself by touching a large piece of metal before attempting to remove them.

    If you have any problems or are skittish to do this, or simply cannot, get an experienced person to do so and get an experienced eye on what happened to realize what went wrong.

    Remember, a Venting vaporizer battery is an intended safety precaution that is being done to AVOID an explosion, which is not a luxury you have with other electronics. People make mistakes with technology and this is to be expected, but we would take a Venting battery over a lethal battery such as your phone that might explode before it even smokes, every day of the week.

    So, as you might expect, with interchangeable battery devices, your choice of battery is an important factor into the way you vape, different batteries drain at different rates and hold different amounts of current.

    What are the Characteristics of Vaporizer Batteries?

    mAh, or “Milliampere Hours” in simple terms is the capacity of the battery, the higher the mAh of a battery the more energy it contains at a full charge.

    Amperage Rating or “Amps” is simply how much “load” or “strain” the battery has been rated to handle and relates to OHMS LAW. To figure out how much you are straining your batteries, input your atomizers resistance and your devices set wattage/voltage into an OHMS LAW CALCULATOR.

    Generally, the higher the mAh of a battery the lower the Amperage Rating, meaning the battery can take less electrical abuse BUT you need to charge or swap batteries less often. Or in reverse, the battery can handle more electrical abuse safely but you will be charging or swapping batteries more often.

    Voltage in relation to batteries describes what the Maximum or sometimes the “Optimal” Voltage at full charge is for a given battery. This only matters if you are using an unregulated device. Most 18650’s are 4.2 volts at Maximum charge and have an “Optimal” Voltage Rating of 3.7 – 3.8 Volts meaning that they disperse energy the most efficiently when they are a bit below fully charged, but please still charge your batteries to the Maximum.

    This doesn’t entirely cover all the technicalities of batteries but should provide you with enough of a starting point that if you buy authentic batteries from authentic distributors such as Sony, Efest & Samsung from authentic businesses (such as us!) and you have checked what your Amperage and mAh needs are and so long as a battery is rated 20A and above, choosing a battery for yourself shouldn’t be too hard.

    If you are just starting out with a kit; don’t worry too much about it and get an experienced opinion from our staff, we only deal in authentic, high quality specialized batteries. You’re in good hands!

    What is Ohms Law?

    Ohm's Law is used to determine the current, voltage and resistance in any circuit. A personal vaporiser is a circuit in itself.

    The formula for Ohms Law is:

    I=V/R  

    In other words, when it comes to a device which has resistance to an electric current passing through it, its current in amps (A) is equal to its voltage in volts (V) divided by the resistance – R – in ohms (Ω).

    I is the current in your device, which is measured in amperes.

    The current is the amount of electricity flowing through the device.

    V is the voltage, which is a measurement of the potential difference in energy between two points in the circuit.

    As vapes can have a variable voltage setting, it’s important to know how changing the voltage will impact on the performance in this equation.

    R is resistance, which is measured in ohms (Ω).

    Sub-ohm vaping involves vaping with a total resistance of less than one ohm.

    The amount of resistance in a circuit will have an impact on the amount of power a vaper gets out of their device.

    Below is an infographic that includes voltage, resistance, wattage and amperage.  Amperage is probably the most important thing to consider when sub-ohm vaping.  The reason is simple – If the battery exceeds the amp limit, it may vent dangerous chemicals – or even worse – explode.

    If you’re using RBA’s PLEASE ensure you’re vaping at a level your 18650 battery (batteries) can handle!

    Please note this chart does not take into account any other variables which may come into play.  Only you can determine if you are vaping safely.

     

     

    Remember, this is simply Ohm’s Law transcribed on paper and does not take into account any other variables which may come into play.  Only you can determine if you are vaping safely.  My advice is that if the eJuice tastes good and the vapour production is satisfying, then that is the important thing.  Just make sure you are not overdrawing your battery.

    Using battery ratings and coil resistance to vape safely

    Now that you know about your battery ratings we need to know how to use the battery ratings with your atomiser coils resistance to ensure you’re vaping safely. If you do not know your resistance you can purchase an ohms reader almost anywhere vaping supplies are sold. Now that we have your resistance in ohms as well as all 3 ratings your voltage or “v” your storage capacity or “mAh” and your Amperage rating in either “A” or “C”. We will use these numbers to figure out your maximum continuous discharge of your battery and how much current your device will discharge. If your battery has an “A” amperage rating then you already know your maximum continuous discharge but if your battery uses a “C” amperage rating you will need to convert the “C” rating into an “A” rating. To do this is quite simple. Take your batteries “C” rating and multiply it by the storage capacity in mAh. For example, if your battery is rated 10C, this means the battery is rated for 10 times the capacity of the battery measured in amps. So a battery rated at 1600mAh equals 1.6 Ah will, therefore, have a max continuous discharge rate of 10 X 1.6 = 16A. Now that we know the continuous maximum discharge rate of the battery we need to figure out how much current your device discharges and is it at a rate that is safe to vape. We can then take your batteries amp rating. You can then take your batteries voltage (4.2v fully charged) and divide it by your atomiser or coils resistance to get your actual discharge rate. Now compare the two. The current your device draws must be lower than your batteries amperage rating. For example 4.2v / 1ohms = 4.2A discharge rate while 4.2v / .5ohms = 8.4A. Remember your devices discharge rate must always be less than your batteries amp limit.