Amazon.com: APC UPS 1000VA Sine Wave UPS Battery Backup and Surge Protector, BR1000MS Backup Battery Power Supply with AVR, (2) USB Charger Ports : Electronics
Amazon.com: APC 1000VA Smart UPS with SmartConnect, SMC1000C Sinewave UPS Battery Backup, AVR, 120V, Line Interactive Uninterruptible Power Supply : Electronics