Translations:Energy storage/24/en
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- The ideal method to measure the state of charge of a battery is to use a device called a shunt. A shunt is a device that can measure the amount of current flowing in and out of battery to estimate its available capacity.
- Disconnecting all of the loads and charging sources and then waiting three hours to let the voltage stabilize.
- The state of charge of a flooded lead acid battery can be taken using a specialized device called a hydrometer that takes a measurement of the electrolyte solution inside the battery. These devices are not available everywhere and if used improperly can be hazardous as the electrolyte solution inside a battery is highly acidic.