When the voltage drops below 2.5V, the device stops working. If the time interval between the device sending the package is relatively short, it is best to prepare spare batteries and kits.
When the voltage is lower than 2.5V, the equipment will stop working. If the equipment contracting time interval is relatively short, it is best to prepare backup batteries and kits.
When the voltage is lower than 2.5V, the equipment will stop working. If the time interval of equipment contracting is short, it is best to prepare spare batteries and kits.