WayPhone Low Voltage Disconnect accessory will extend the life of connected batteries by preventing damaging over discharge. It will also ensure WayPhone operation is not compromised by low battery voltage. When the battery voltage drops to very low levels, it is considered better the phone switches off than operate abnormally.

The disconnect voltage is factory programmable but is typically set at 10.5V, optimal for Sealed Lead Acid cells used in most WayPhones. The loaded battery voltage is periodically tested to determine if the voltage is too low for reliable operation and approaching the level that causes battery degradation.

If the voltage is too low, the load (WayPhone) is disconnected from the battery. The charging circuit remains connected to the battery and periodically, the LVD module tests the battery by applying a ‘dummy’ load and measuring the voltage. If it is considered charged enough for operation, it reconnects the battery to the WayPhone. The decision threshold for reconnection is also factory programmable but will typically be set to 12V.

A slowly blinking red LED indicates the battery has been disconnected from the load. A switched power output can be provided to ensure any ancillary equipment is also disconnected from the battery when the voltage is too low. If the equipment remains connected, the battery will continue to discharge, negating the benefit of the LVD device. Examples of such equipment are Line Extenders, Media Converters or Ethernet Switches.