This has NO battery. It needs a replacement battery. The Cyberpower SE450G1 450 VA Battery Backup UPS is a reliable surge protector designed to provide essential power protection for your equipment. With 8 outlets and a maximum power of 260 watts, this black unit from CyberPower is suitable for universal use and offers surge energy capacity of 890 joules. Its compact design, measuring 6.63 inches in height, makes it ideal for various settings where reliable power backup is needed. Made by CyberPower, a trusted brand in the industry, this genuine product ensures the safety and performance of your devices during power outages or surges.