... If I get the larger battery e-power what ohm accessories do I buy?
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Forgot that question. Sorry if your eyes have glazed over by now.
You would use the same ohms on any 3.7V device. You can use from 1.5ohms (for a warmer vapor) to 3ohms (cooler vapor)
The 1.5ohm is considered low resistance (LR). The 3ohm is considered standard resistance (SR).
Remember the formula I gave you for watts? You are looking for about 6 to 10 watts.
The more watts, the warmer the vape. Too many watts and it will be harsh and wash out delicate flavors, especially fruity flavors. If you like fruit flavors, I recommend around 7 to 9 watts.
Watts = Voltage x Voltage divided by resistance in ohms.
3.7 x 3.7 = 13.69
Divide 13.69 by the ohms of whatever carto or atty you are considering. If the result is between 6 and 10, it is o.k.
For example, 13.69 divided by 2ohm is 6.85. That's o.k. for lighter flavors like fruit. So a 2ohm carto is good.
Keep in mind that a 3.7V 18650 battery comes off the charger at 4.2 volts. It stays around 4 volts for quite a while.
4 x 4 = 16, Divided by 2ohms equals 8 watts. So, with that 2ohm carto, you will spend most of the time vaping at 8 watts, which is very good, even for fruity juice. Only when the battery runs down will you be vaping at 3.7V and 6.85 watts.
The ideal resistance for a 3.7V PV and fruity juice is probably 2 ohms.
Stronger flavors, like tobaccos or savory flavors could handle the warmer vape that would be provided by a low resistance carto, like 1.5ohms.
That's another advantage to a larger battery. Personally, I never let my battery go below 3.8Volts. So, if I had a e-Power with a 2ohm carto I'd never be vaping below about 7 watts.
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