The ES-EIH09-01SL is a backup battery pack designed to provide power support in emergencies with 9 watts of power and a DC voltage of 170 volts. Featuring high reliability, long life, easy maintenance and multiple safety protections, this battery pack ensures stable power support for critical equipment such as LED lights when the main power supply fails. It is widely used in commercial buildings, industrial facilities, public facilities and other areas to ensure that lighting and communication equipment can continue to operate during power outages or emergencies. In the course of use, it is necessary to check regularly, store correctly, and avoid overcharging and over-discharging to extend the service life of the battery pack and ensure the safety of use.