What type of 18650 battery (2500, 3000' 3500mAh)?

I have a Sigelei Fuchai 213 mod with a big baby beast. (Would be a better match?)

I have a couple of different battery, a set of 2500, and 3000mAh (does mAH mean amps?) I am wondering what the numbers are for and how they effect the performance?

I vape around 40 watts and don't mess around with temp control. I would like to make sure I am using correct battery wattage/amps.

Thanks for your help!


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Mah refers to how much juice the battery holds.

Most time the higher the mah, the lower the CDR. (Continuous Discharge Rating)

In order to know what is safe for your use, we would also need to know the ohm of the coils you use. Being a Sigeli mod, it's chipped so far safer than a mech in several regards.

Generally as long as you are buying Sony, LG, Samsung batteries with a 20 amp CDR, you are good.