Robotics & Control

Basic

Robot Battery Life

Runtime from battery charge and current draw.

Formula

t = \frac{Q}{I}

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Variables

tRuntime (h)

QCapacity (Ah)

ICurrent (A)

Example

Q=5 Ah, I=2.5 A: t = 2 h

Did You Know?

Real runtime falls short of this because motors surge current during acceleration and climbing.

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