ICT products face the challenge of sustained and stable operation amid grid resilience issues recently. Frequent power outages and blackouts, sometimes affecting multiple areas, are common and can lead to large-scale disruptions. UPS is commonly used by IT managers to address grid resilience issues but UPS selecting is an issue for IT managers especially to IT equipment is commonly used in worldwide. By integrating a switched mode power supply with a battery backup unit into one product, we can replace UPS systems, optimizing power and energy conversion efficiency.