Reports of exploding e-cigarettes occasionally circulate in the media. Even if such events are extremely rare, statistically speaking the chance is about 1 to 10 Millions – they are almost always due to improper handling.
The safety of your e-cigarette depends largely on the correct handling of the high-performance batteries (mostly 18650 or 21700 cells) ab. In this guide from Myvapesite you will find out, like you too 100 % protect.

Battery safety for e-cigarettes: 10 vital tips for vapers (2025)
There are both internal (also integrated) as well as removable batteries. This article focuses on removable batteries, because they are widespread. If you follow these battery safety tips, you can protect yourself additionally.
Why battery safety is so important when vaping
In contrast to smartphones, many e-cigarette batteries are replaceable and more powerful. Using inferior cells or incorrect chargers is a safety risk. Therefore, please note the following rules:

1. Only use high-quality branded batteries
Never buy cheap ones “No-Name”-Batteries. Trust established manufacturers like Sony/Murata, Samsung or LG. Guarantee original cells, that the specified current carrying capacity (Ampere) is actually adhered to.
2. Use the appropriate charger
If possible, use one external smart charger. These devices offer protection features against overcharging and overheating. If you charge via USB, Only use the original cable and avoid fast charging adapters for smartphones, if they deliver too high a voltage.
3. Battery cases (Wraps) check
The thin plastic shell around your battery is the only insulation. If it has cracks or flaws, Dispose of the battery or have it professionally re-shrink-wrapped (Re-Wrap). A damaged battery can cause a short circuit when in contact with the mod's metal casing.

4. Akku-Transport: Never loose in your pocket!
Carry spare batteries always in a protective box made of plastic. Loose batteries in your pocket can be short-circuited by keys or loose change, which can lead to dangerous degassing.
5. Married batteries (Married Batteries)
If your mod requires two or more batteries, always use the same pair. These batteries should be purchased together, be loaded and unloaded (“married”), so that they maintain the same capacity and voltage.
6. Avoid extreme temperatures
Never leave your e-cigarette or spare batteries in a hot car or in direct sunlight in summer. Heat is the biggest enemy of lithium-ion cells.

7. Choose the right performance
Be sure to, that your battery is suitable for the set wattage. Sub-Ohm vaping requires batteries with a high continuous discharge rate (z. B. 25A or more).
8. Replace batteries in a timely manner
A battery loses power after approx. 300 bis 500 charging cycles in performance. If your battery is draining faster than before or becomes unusually hot while charging, it's time for a new set.
9. Be careful with mechanical mods
Mechanical battery carriers have no protective electronics. We only recommend these to experienced users, the that Ohm's law master it perfectly.
10. Avoid charging overnight
Even if modern devices switch off, For safety reasons, batteries should never be charged overnight unattended. A fireproof surface is always the best choice when loading.
Safety comes before enjoyment
Vaping is an excellent alternative to smoking, as long as you understand the technology. With a little basic knowledge about battery safety, the e-cigarette is a safe and reliable device for your everyday life.
Do you have any questions about the right batteries for your device?? The team of Myvapesite will be happy to advise you on the selection of certified hardware!

