APC UPS is the best UPS in the Industry which comes with 2 years onsite warranty including battery. In case of failures within 30 days of purchase buyer will get the brand new unit from APC as replacement.
From the Manufacturer
Micro-processor Controlled Battery and LED Status Indicator
Prevent your computer from damage during power fluctuations and cut offs with the APC BE800 UPS. It features Power Conditioning and Adjustable Voltage Sensitivity that protects your sensitive electronic equipments from sudden voltage spikes. You can change its batteries with relative ease and without tools reducing the average repair time. It facilitates temporary battery backup even when the power is out with its Cold-start feature. This APC UPS features a distinct LED status indicator that displays power and unit details for easy understanding.
Diagnostics, Audible Alarm and Efficiency
The APC-BE800 UPS has an admirable Automatic Self-test feature that ensures detection of battery fault, if any, and prompts for replacement. Its audible alarms alert on UPS power status and fluctuating voltage conditions. On return of utility power, the APC UPS system shuts down and starts up the connected electronic equipment automatically. You don't have to worry about the overload issues, as its intelligent resettable circuit breakers restores the system instantly. The APC UPS with output power capacity of 540 Watts / 800 VA has built-in energy efficient parameters that provide consistent support during frequent load shedding situations.