The MEAN WELL LAD-120C charger is an advanced device designed to power alarm and security systems and to charge lead-acid and lithium-ion batteries. The UPS function provides automatic switchover to battery power in the event of a failure, ensuring continuous operation of the devices. Additionally, this device offers high efficiency at the level of 88%, which translates into lower energy losses and lower operating costs. The LAD-120C charger is also equipped with AC OK control signals, which inform about the correct operation of the mains power supply. The dimensions of the device are 159 mm x 97 mm x 30 mm, making it a compact solution for industrial applications. The product meets the standards IEC62368-1 and UL62368-1,