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So you bought your first box mod and a set of batteries and were told or heard that it's a good idea to buy an external battery charger. You might be wondering if you really need it and if it's worth shelling out the extra $20 or $30 since your mod already has a USB charger. Well, the answer is certainly yes, and here are 7 simple reasons why you should be using an external charger. Get more here about 8-Bay Battery Charger for AA AAA Batteries.

1. Faster charging

Depending on the brand, the latest external chargers are capable of charging your battery up to 3 amps. Some manufacturers claim that a depleted 18650 battery can be fully charged in just under 1.5 hours.

Most vape mods on the market only have a 1 amp charge rate with only a handful capable of 2 amps. This means that a dual battery mod with 2500mAh batteries can take up to 6 hours to fully charge!

Although external chargers have the ability to charge at higher speeds, it is not recommended to do so all the time and only when you are short on time. Doing so can decrease battery life.

2. Charge multiple batteries

Battery chargers currently on the market range from 1-bay to 8-bay. Swapping out freshly charged batteries will keep you vaping all day without the hassle of recharging.

This is also an advantage for vapers with various multi-battery box mods.

3. Reliable chip and precision

External chargers have a much more reliable chip compared to box mods. You want your batteries to hit a maximum capacity of 4.2 volts or a little less, but the key here is accuracy and consistency. Overcharging is potentially dangerous and bad for the long-term life of your batteries. That's why they will automatically detect and stop charging once the batteries are fully charged.

Good external chargers have a large LCD screen to display anything from battery voltage, settings, charging current, temperature, and other parameters. You can also monitor the batteries and their status.

Some chargers are capable of charging lithium-ion, NiMH, NiCD, and IMR batteries, which is a plus for versatility. The user can customize each individual bay to a specific configuration.

Box mods with internal micro USB chargers are fragile and can be damaged by daily use while your external charger is safely stored at home.

4. Uniform load

Many older box mods are not charge balanced and are not capable of applying independent loads to individual battery cells. Basically, if you have a two or three battery mod, the cells are just treated as a single unit and a single load is applied in series to the positive and negative terminals. Also, box mods have been tested to show up to a 20% drop in current flow with the second or third battery.

Newer mods such as the Smok Alien Kit are balanced charged but should not be used as a primary source of charge. The internal charger is much more likely to fail with regular use compared to a separate external charger. It's much easier and more convenient to carry an extra set of batteries when traveling rather than waiting for your mod to charge.

As a safety feature, unbalanced charging devices will stop charging when one of the cells reaches the maximum safe voltage, leaving one battery fully charged and the others partially charged.

5. Charge batteries of different sizes

Many chargers on the market have the ability to charge batteries of various sizes, from 16340 to 26650.

Its versatility allows users to charge batteries for other applications, such as tools and flashlights.



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