[unknown] Hello, for 48V home backup power, if your budget is sufficient, and your home has enough space, you can choose a rack-mounted all-in-one battery pack, or if you don’t have enough budget, you can also connect in series Multiple 12V or 24V units can get a 48V energy storage system, but the premise is that you have enough space to place these batteries, and then there is a wall-mounted home energy storage system, such as powerwall, which does not take up space, is more intelligent, and has its own bms . Secondly, you need to consider the configuration capacity of your home backup power supply. You need to calculate according to the daily load of your home and configure the battery specifications with sufficient capacity for you.If you have any other questions, please contact us at info@lithiumbatterytech.com