The 12V100Ah lead-acid batteries is an optimal choice for household simple emergency energy storage, adapting to sudden power outages caused by typhoons, rainstorms and line maintenance. Matched with a small inverter, it converts DC power to 220V AC power to supply electricity for household lighting, routers, mobile phone charging, small refrigerators and other low-power electrical appliances, meeting basic family living needs. With high cost performance, convenient installation and simple operation, it is perfectly suitable for daily household standby scenarios. It also has excellent charge-discharge cycle performance and low standby loss, retaining sufficient power after long-term idle storage and providing reliable power guarantee for families during power outages.