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American Power Conversion (APC) - BK500 - UPS, 120 VAC, 300 W, 500 VA, (3) 5-15R Out, NEMA 5-15P In, 3.4 min. Backup - RS
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Amazon.com: Apc Bk500 Bk500 Back-Ups Cs Battery Backup System, 6 Outlets, 500 Va, 480 J : Electronics
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