The following example shows a well pump that is powered by a battery and uses the LYNK II relay to protect the battery from over-discharging.
Activated: 5 seconds after the battery SOC rises above 60%
Deactivated: 5 seconds after the battery SOC drops below 25%
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5 seconds after the battery SOC rises above 60%, the battery powers the well pump. 5 seconds after the battery SOC drops below 25%, the battery stops powering the pump.
Solar panels recharge the battery.