The APC BN1250LCD UPS is great  solution for poor power regions and applications requiring longer runtimes.

The BN1250LCD UPS offers high performance protection for your home or office computer systems. It provides abundant battery backup power, allowing you to work through power outages. It also safeguards your equipment from damaging surges and spikes that travel along utility, phone and network lines. A distinguishing feature of the BN1250LCD UPS is automatic voltage regulation (AVR). AVR instantly adjusts both low and high voltages to safe levels, so you can work during brownouts and over voltage situations, saving the battery for power outages. Shutdown software automatically powers down your computer system in the event of blackout. Additional features like audible alarms, LED status indicators, user replaceable battery, push-button circuit breakers and transformer-block spaced outlets make the BN1250LCD UPS  the perfect unit to protect your computer systems from the constant threat of power problems and lost data.

APC Back-UPS ES 8 Outlet 550VA 120V

APC Smart-UPS, 670 Watts / 1000 VA,Input 120V / Output 120V, Interface Port DB-9 RS-232, SmartSlot, USB

Includes: CD with software, Smart UPS signalling RS-232 cable, USB cable, User Manual