The CyberPower SL700U uninterruptible power supply (UPS) system provides surge protection for lightning-induced surges and other power events that can damage electronic equipment. This unit delivers enough battery backup to connected devices during a utility power failure, so you can perform a graceful shutdown to protect against the loss of data and damage to valuable electronics including computers, gaming consoles, and home networking equipment. The SL700U has two Type A USB charging ports with 2.4A shared total output which gives you a faster charging time and can be used while on battery backup power.