Whether you call an emergency power supply unit or an emergency power pack, both indicate the same thing- Emergency Light Conversion kit. It consists of a powerful invertor and rechargeable battery pack.
The invertor utilizes the AC power supply to keep the battery charged. During the AC power supply disruption, the inverter plays a crucial role in converting the DC battery power to standard AC voltages to provide uninterrupted backup light for 1-3 hours. The lighting duration also depends on the capacities of the battery pack.
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