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Comprehensive Guide to E-Cig Batteries

Example of an E-Cig battery.

Whether you're new to e-cigs or a seasoned pro, we've put together a guide that will cover almost everything about electronic cigarette batteries you need to know. Our guide is based on the questions we frequently answer on our page, but if there is something we miss just let us know and we will add it.

Note: We don't touch on information for unregulated or rebuildable mods because there are niche websites that cover the topics well. These types can be super dangerous for those who don't know what they are doing, but if you do-- you know where to find the info!

Battery Types

There are two types of e-cig batteries: manual and automatic. Automatic e-cig batteries are activated when the user inhales and a rush of air hits the battery. A manual battery is activated when the user presses the button. Some prefer automatic batteries because they usually charge more quickly, are easy to use, and closely resemble a traditional cigarette. Manual batteries are becoming more popular as people discover they have a custom feel to them. Manual batteries offer the user more power, a longer smoke, and more vapor. Though not complicated, they do require a little knowledge to use than an automatic battery. They are larger and have a longer battery life because they can be turned off.

Variable Voltage Batteries

If you are looking for a custom smoke for your vaporizer, atomizer, or clearomizer, a variable voltage battery is perfect. These allow an increase or decrease in voltage that results in a perfect vapor every time. Traditionally this can be adjusted by pressing a button or twisting the end of the battery, but some offer other adjustment options.

Battery Capacity and Battery Voltage

For new e-cigarette users, the difference between battery capacity and voltage can be a source of confusion. The capacity is generally measure in mAh (milli amp hours). The higher the mAh, the longer the battery will last without charging. Non-adjustable batteries typically have a capacity of 3.7 volts. Though they put out the same voltage, a battery with 1100mAh will last longer than a battery of 180mAh.

Factors That Affect Battery Life

How long a battery will last is in the hands of the e-cig holder. The type and capacity of battery, battery maintenance and charging routine, and how often you use your device all contribute to battery life.

If you are looking to maximize the life of your battery, make sure you give it a full initial charge. Most are lithium ion and won't overcharge, but the first charge conditions the battery to ensure a long lifespan. Make sure to store in a cool, dark place. Heat can ruin the battery! If you plan to store for a long time, make sure it has at least 40% charge to keep the circuit alive and allow for discharge. Use your e-cigarette daily, as the batteries are designed for this purpose. Always charge your battery before it is fully drained because it puts less stress on the battery. Lastly, turn off the battery when you aren't using it and store it in a case to protect from the elements.

Can e-cig batteries explode?

While relatively safe, the chemical composition used to prolong the life and add power to a lithium ion battery also gives it the potential to explode. This is not a common occurrence, but should be noted that the potential is there. Lithium batteries are made of lithium, sodium, potassium and other highly flammable elements. When a battery heats up, it can lead to a chain reaction of swelling or exploding. The good news is these explosions are extremely rare because of modern technology. According to Battery University there is a 1 in 10 million chance that your lithium ion battery will explode. For a mishap to happen, a defect must be present or the battery must be mishandled. There are a few things you can do to stay safe with your lithium ion battery.

1. Don't mix and match products. Use the right charger for the battery it came with. Voltage varies from charger to manufacturer, so prolong the life of your e-cigarette by using the problem charging mechanism.

2. Charge your battery in a safe area while you are home and able to see it charging (not asleep). Make sure it is on a safe surface that is noncombustible. Turn manual batteries off before charging.

3. Make sure to purchase your electronic cigarette from a reputable source. This protects you and allows you to make sure your battery has been tested to ensure it has overcharge protection-- a feature that significantly decreases the likelihood of an explosion.

How To Maintain Your E-Cig Battery

The two most effective ways to maintain your e-cig battery are to clean it and keep it charged. To clean it, use a cotton swab soaked in alcohol and wipe out the inside of the terminal. In a pinch, scrunched up toilet paper or tissue can be used to wipe the inside of the terminal as well. Make sure to keep your battery charged and to charge before it is completely dead to prolong the life of the battery.

Storing Your Battery

Take care to turn the battery off while it isn't being used. Remove/disconnect your cartridges, and store in a cool dry place. Make sure to charge your battery at least 40% before storing for an extended period of time.

Battery Problems?

No Vapor Produced

-Check cartridge level, try another to make completely sure it isn't the cartridge.

-Clean battery terminal.

-Clean cartridge terminal.

-Check connection between battery terminal and cartridge.

-Test battery with another e-cig to rule out battery.

-If using a chargeable clearomiser, replace the head.

Battery Light Doesn't Turn Off

-Carefully blow on LED light.

-GENTLY tap e-cig on a wooden surface.

-As a last resort, let the battery die completely and then recharge.

Battery Dies

-If the battery has recently been charged, leave it alone for 24 hours at room temperature and then charge it again.

-Inspect battery and cartridge terminal and clean if necessary.