Vintage APC Back-UPS 650 Uninterruptible Power Supply (UPS)Model: BK650MC | 650VA / 410W | 120V 60Hz | Classic Beige Desktop Battery Backup
Original vintage APC Back-UPS 650 in authentic retro beige/ivory finish. Tested for basic line-power operation. Ideal period-correct power unit for vintage DOS, Windows 95/98 battlestations, retro music workstations, or classic server racks.
Key Features & Specifications:- Brand: APC (American Power Conversion)- Model: BK650MC- Capacity: 650VA / 410 Watts- Input / Output: 120VAC, 60Hz, 12A Max- Outlets: 2 x Battery Backup NEMA 5-15R outlets + 2 x Surge-Only outlets with heavy-duty pigtail cords- Data Port: DB9 9-pin serial interface port for legacy shutdown management- Telecom Protection: RJ-11 Modem/Fax/Phone line surge ports- Configuration: Rear 4-position DIP switches (alarm delay, sensitivity, voltage trim)- Country of Origin: Philippines
Working Condition & Battery Notice:- Unit powers on properly and passes line power to connected devices when plugged into a standard 120V AC outlet.- Exterior chassis is clean with minor light marks and normal vintage patina; no cracked plastic.- BATTERY STATUS: The internal 12V lead-acid battery is completely DEAD due to age and does NOT hold a charge. A fresh replacement battery (standard APC RBC4 or equivalent 12V 12Ah SLA cartridge) is required for battery backup runtime.- Sold as a functional base unit requiring a battery replacement. Ships exactly as shown in photographs.
Package Includes:- 1 x Vintage APC Back-UPS 650 Unit (BK650MC)
