APC UPS RS LCD 550 Master Control
The Back-UPS Pro provides abundant battery backup power, so you can work through short and medium length power outages. It safeguards your equipment against damaging surges and spikes that travel along utility and network lines. The Back-UPS Pro also features automatic voltage regulation (AVR), which instantly adjusts high and low voltages to safe levels, so you can work indefinitely during brownouts and overvoltages.
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