The 12V 65Ah lead-acid batteries is a cost-effective household emergency backup power for sudden power outages caused by rainstorms, typhoons and line maintenance. With moderate capacity, easy installation and high safety, it can be matched with inverters to power low-voltage household equipment. After power failure, it can continuously supply power for household lighting, routers, surveillance cameras, mobile phone charging and small refrigerators to meet basic household power needs. Its leak-proof sealed design eliminates potential safety hazards with stable service life and simple daily maintenance. It features higher cost performance than other energy storage batteries, perfectly fitting short-term household emergency power supply scenarios.