While there are numerous means of generating the latching function, the latching relay greatly simplifies the circuit and provides a relay contact interface for driving a 115 or 230VAC load such as a ...

After an initial 24-hour charge, the internal battery is rated to provide 3 hours of backup time. Feit suggests the light be left on for at least 10 hours per week to keep the battery fully charged.

PHILIPS 12 Watt B22 LED Cool Day Light Bulb is equipped with a powerful lithium-ion battery that provides 4 hours of continuous lighting after a recharge. The battery has an overcharge and ...