The key is to pick a battery that has just high enough a current rating to not overheat for the way you vape. That way you’re not sacrificing capacity for a current rating you’ll never really use. For example, instead of choosing the 30A LG HB6 with its 1500mAh capacity you could choose the 25A LG HD2 with its 2000mAh capacity. Or perhaps even the 2500mAh Samsung 25R. It all depends on how much current you’ll be drawing.

But, be careful! Many companies exaggerate their battery ratings or just print the pulse current rating on the battery. You might think you’re buying a battery that can easily handle the current you’ll be drawing from it only to find out that you’re replacing the battery every month or two because they’re always running hot. We’ll explore these exaggerated battery ratings in more detail in a future article but for now it’s safest to just buy batteries made by one of the Big 3; Samsung, Sony, and LG. Their ratings are accurate and you’ll know what you’re getting every time.

Panasonic is also a manufacturer of high quality, dependable batteries but most of them are rated for 10A continuous or less. This is why I don’t include them in the list of high current rated battery manufacturers for vapers.

You might have been wondering about vape battery pulse ratings. They seem to make sense. We vape by pulsing the battery so why not select a battery that has a pulse rating that matches (or exceeds) the current you need? Some of these pulse ratings sound great! But the pulse ratings on these batteries are essentially useless.

We have no idea how the pulse ratings we see on so many batteries sold to vapers were determined. How long was the pulse? How much rest time was there between pulses? How hot did they allow the battery to get? All these have to be the same for any two batteries we want to compare. And no battery manufacturer/rewrapper prints this information. Without this information we could be looking at two 60A pulse rated batteries but one used 3 second pulses and other used 10 second pulses. One could have used 20 seconds rest time between pulses and the other could have used 60 seconds. These differences make those 60A ratings impossible to compare.

The only way to compare batteries right now by their current rating is to use the continuous discharge rating, or CDR. It’s also called the MCD rating, maximum continuous discharge, or MCC, maximum continuous current rating. They’re all the same and it’s the standard for rating a battery’s capability.

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