State Of Charge (SOC) Battery

BATTERY. Rechargeable batteries are widely used today as temporary energy storage. The battery has the voltage and capacity indicated on the battery. The capacity of the battery is written in units of Ah (ampere-hour) which means the amount of current that a battery can supply in one hour. In general, the equation used to calculate battery capacity is as follows:

C = I x t, where C is capacity, I is Ampere and t is time.

The process of charging (charging) on the battery is done by connecting it to the power source according to the voltage that has been adjusted. After that the electrical energy in the battery can be discharged (emptied/used) to the electrical load. But when the charge (charging) has a maximum voltage limit that must not be bypassed. At the time of discharge (usage) there is also a minimum voltage limit. If these limits are exceeded can cause the battery to damage quickly. This voltage limit is different for each battery depending on the type. The following voltage limits for commonly used today.

Table Voltage limits on several types of batteries

State of Charge	Sealed or Flooded Lead Acid	Gel battery	AGM battery
100%	12.70+	12.85+	12.80+
75%	12.40	12.65	12.60
50%	12.20	12.35	12.30
25%	12.00	12.00	12.00
0%	11.80	11.80	11.80

So that some article about battery limit.
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