เปรียบเทียบแบตเตอรี่ UPS แบบตะกั่วกรด vs แบตเตอรี่ลิเธียม – แบบไหนดีกว่ากัน?
Home Published: October 30, 2025 A UPS (Uninterruptible Power Supply) is a device that provides temporary power when the main electrical source fails. It protects sensitive equipment such as computers, servers, and communication systems from power interruptions, voltage drops, and surges. At the core of every UPS is its battery, which stores energy and instantly […]