Lead-Acid Battery Basics
Lead-acid battery State of Charge (SoC) Vs. Voltage (V). Image used courtesy of Wikimedia Commons . ... For example, a 100 Ah, 20 h battery could deliver 5 A for 20 hours, at which point the battery would be fully discharged. The reported Ah capacity depends on the discharge rate. A 100 Ah battery delivering 5 A is said to be discharging …