The 650-VA APC Back-UPS BX650CI-RS line-interactive UPS. You can buy APC Back-UPS BX650CI-RS UPS, which is highly reliable and efficient, and connect up to 4 devices, due to the presence on the rear panel of 1 Euro outlet without backup power and 3 Euro outlet with grounding. The automatic voltage adjustment function allows users to continue working without switching to battery power in an unstable power supply. The APC Back-UPS BX650CI-RS UPS with overload protection is the best value for money.