APC Back-UPS 500VA 0.5 kVA 300 W 4 AC outlet(s)

Battery failure notification Provides early-warning fault analysis on batteries enabling timely preventive maintenance Status Indicator LED's Provides a quick visual indication of your unit's status.
Resettable circuit breaker Easy recovery from overloads; no need to replace a fuse.
Boost Automatic Voltage Regulation (AVR) Preserves battery life and maximizes runtime by correcting low voltages without discharging the battery.
Automatic self-test Periodic battery self-test ensures early detection of a battery that needs to be replaced.
Adjustable voltage-transfer points Maximizes useful battery life by widening the input voltage window or tightening the output voltage regulation.
Adjustable voltage sensitivity Provides the ability to adapt the UPS for optimal performance in specific power environments or generator applications.
Audible alarms Provides notification of changing utility power and UPS conditions Safety-agency approved Ensures the product has been tested and approved to work safely with the connected service provider equipment and within the specified environment.
Lightning and Surge Protection Protection from surges, spikes and even lightning is guaranteed! Resettable circuit breaker Instead of a hard to find fuse, there is a push-button circuit breaker for easy recovery from an overload or short circuit.
Audible alarms Proactively notifies you of changing UPS and utility power conditions.
Automatic self-test Periodic battery self-test ensures early detection of a battery that needs to be replaced.
Transformer Block Spacing Designed to allow the use of up to two transformer block plugs without blocking access to other receptacles.