This product bundle combines an APC uninterruptible power supply (UPS) with 600VA/330W power and surge protection for your home or business electronics with a replacement battery compatible with that UPS model. The APC BE600M1 Back-UPS UPS offers guaranteed backup battery power and surge protection to keep your devices powered and data protected during outages or voltage fluctuations. It has 600VA/330W power capacity with 7 total outlets - 5 of which provide battery backup power and surge protection and 2 of which offer surge protection only. There is also a USB charging port to charge cell phones or other small electronics. The included APCRBC160 replacement battery is a genuine APC sealed lead acid battery that has been tested and certified to restore the UPS to its original performance specifications. It is hot swappable, allowing you to conveniently replace the UPS battery without powering down the connected devices. Together these components provide reliable backup power and surge protection for your home or business electronics, with the ability to conveniently replace the UPS battery when needed to maintain optimal performance over time.