Emergency power pack for reliable emergency power supply of LED panels The new OPTONICA LED emergency power supply (3.6 V/4.5 Ah) serves as a backup battery for LED panels. The emergency battery is also connected to the power supply of the LED panels and thereby charged. If a power failure occurs due to a fault, the emergency power supply will automatically take over the power supply of the LED panel and supply it with the necessary energy for up to 3 hours. The emergency battery has been specially designed for OPTONICA LED panels with the following item numbers: OPT DL2731 OPT DL2732 OPT DL2733 OPT DL2734 OPT DL2735 OPT DL2736 Compara precios desde: Optonica in Iluminación interior