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Ohm’s Law – Vape Battery Safety

## What is Ohms Law?

Ohms Law is used to determine the current, voltage and resistance in any circuit. A personal vaporiser is a circuit in itself.

### I=V/R

In other words, when it comes to a device which has resistance to an electric current passing through it, its current in amps (A) is equal to its voltage in volts (V) divided by the resistance – R – in ohms (Ω).

I is the current in your device, which is measured in amperes.

The current is the amount of electricity flowing through the device.

V is the voltage, which is a measurement of the potential difference in energy between two points in the circuit.

As vapes can have a variable voltage setting, it’s important to know how changing the voltage will impact on the performance in this equation.

R is resistance, which is measured in ohms (Ω).

Sub-ohm vaping involves vaping with a total resistance of less than one ohm.

The amount of resistance in a circuit will have an impact on the amount of power a vaper gets out of their device.

Below is an infographic that includes voltage, resistance, wattage and amperage.  Amperage is probably the most important thing to consider when sub-ohm vaping.  The reason is simple – If the battery exceeds the amp limit, it may vent dangerous chemicals – or even worse – explode.

### If you’re using RBA’s PLEASE ensure you’re vaping at a level your 18650 battery (batteries) can handle!

Please note this this chart does not take into account any other variables which may come into play.  Only you can determine if you are vaping safely.

Remember, this is simply Ohm’s Law transcribed on paper and does not take into account any other variables which may come into play.  Only you can determine if you are vaping safely.  My advice is that if the eJuice tastes good and the vapor production is satisfying, then that is the important thing.  Just make sure you are not overdrawing your battery.