Planck voltage

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The Planck voltage is the unit of voltage, denoted by VP, in the system of natural units known as Planck units.

V_P = \frac{E_P}{q_P} = \sqrt{\frac{c^4}{G 4 \pi \epsilon_0}} \approx 1.04295 × 1027 V

where

EP is the Planck energy

qP is the Planck charge

c is the speed of light in a vacuum

G is the gravitational constant

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