What Does Ah Mean on a Battery? (Amp Hours Explained Simply) »
This guide breaks down what Ah (amp-hours) means on a battery in plain English, and why it matters when you’re choosing a replacement. It explains how Ah relates to runtime, how it differs from amps, volts, watts and watt-hours, and why real-world performance can fall short of the label (temperature, discharge rate, cut-off voltage, battery age and losses).