CyberPower Intelligent LCD CST135XLU Battery Backup Open box A mini-tower UPS with line interactive topology, the CyberPower Intelligent LCD CST135XLU provides battery backup (using simulated sine wave output) and surge protection for desktop computers, workstations, networking devices, and home entertainment systems. The CST135XLU uses Automatic Voltage Regulation (AVR) to correct minor power fluctuations without switching to battery power, which extends battery life. AVR is essential in areas where power fluctuations occur frequently.Two USB charge ports (2.1 Amp shared) rapidly power portable devices such as mobile phones, MP3 players, and cameras. The CST135XLU comes with a One-year warranty (including coverage of batteries) and a $500,000 Connected Equipment Guarantee. Product is Manufacturer Refurbished.Battery BackupSupplies power long enough for equipment to properly shut down when utility power fails. Helps prevent loss of data and minimizes the component stress caused by a hard shutdown.Surge ProtectionDiverts excess voltage away from sensitive electronic eq Fast and Free Shipping You're already purchasing the item. Why pay additional for shipping, especially slow shipping? We get your order shipped out within 1-business day and delivered to your doorstep as quickly as possible. Competitive Pricing With our dynamic pricing model, our prices are always competitive. Our prices are some of the lowest that you will find on the internet. Rest assured that you're getting a good deal when purchasing with us. 30-day Money Back Guarantee We are committed to making sure that you leave this transaction satisfied. If you're unhappy with the product for any reason, you may return it back for your money-back or a replacement within 30 days. No questions asked!