An essential safeguard for your sensitive electronics, the CyberPower ST900U Standby Ups offers a robust 900 Va / 500W power capacity, ensuring your devices remain operational and protected during power interruptions. This compact Ups system is engineered to deliver reliable battery backup, allowing for the safe closure of applications and preservation of data during unexpected power failures or blackouts.Equipped with 12 standard outlets, the ST900U provides full-time surge protection and battery backup, securing a wide array of devices against harmful voltage fluctuations, surges, and spikes that can occur during lightning storms or other power anomalies. The inclusion of two Usb Type-a charging ports, with a shared 2.1 amp output, enables rapid charging of Usb-powered devices such as smartphones, tablets, and other portable electronics, enhancing its utility in a modern home or office setting.