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American Power Conversion (APC) - BK500EI - UPS, 230 VAC, 300 W, 500 VA, (3) C13 Out, IEC-320 C14 In, 4 min. Backup - RS
![Compatible APC BACK-UPS 500 BK500EI Battery - Replacement UB1290 Universal Sealed Lead Acid Battery (12V, 9Ah, 9000mAh, F1 Terminal, AGM, SLA) - Includes TWO F1 to F2 Terminal Adapters - Walmart.com Compatible APC BACK-UPS 500 BK500EI Battery - Replacement UB1290 Universal Sealed Lead Acid Battery (12V, 9Ah, 9000mAh, F1 Terminal, AGM, SLA) - Includes TWO F1 to F2 Terminal Adapters - Walmart.com](https://i5.walmartimages.com/asr/789f7d4d-838e-4aa2-a965-71d75da7c3b2_1.be628ebae41c8fbe9c05c10840da657c.jpeg)
Compatible APC BACK-UPS 500 BK500EI Battery - Replacement UB1290 Universal Sealed Lead Acid Battery (12V, 9Ah, 9000mAh, F1 Terminal, AGM, SLA) - Includes TWO F1 to F2 Terminal Adapters - Walmart.com
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With APC BK500EI UPS, there will be no fear of data corruptions during power outage for your precious Synology NAS data | IT Gadget Review
![Amazon.com: BatteryGuy Back-UPS ES BK500EI Replacement 12V 7.5Ah SLA Battery - Battery Guy Brand Equivalent (Rechargeable, High Rate) - Qty of 1 : Electronics Amazon.com: BatteryGuy Back-UPS ES BK500EI Replacement 12V 7.5Ah SLA Battery - Battery Guy Brand Equivalent (Rechargeable, High Rate) - Qty of 1 : Electronics](https://m.media-amazon.com/images/I/51i8xEUI22L._AC_UF894,1000_QL80_.jpg)
Amazon.com: BatteryGuy Back-UPS ES BK500EI Replacement 12V 7.5Ah SLA Battery - Battery Guy Brand Equivalent (Rechargeable, High Rate) - Qty of 1 : Electronics
![APC Back-UPS 500VA International Version (230V) BK500EI [BK500EI] - $89.70 : Professional Multi Monitor Workstations, Graphics Card Experts APC Back-UPS 500VA International Version (230V) BK500EI [BK500EI] - $89.70 : Professional Multi Monitor Workstations, Graphics Card Experts](https://www.compeve.com/images/4B1535P11492_1.jpg)
APC Back-UPS 500VA International Version (230V) BK500EI [BK500EI] - $89.70 : Professional Multi Monitor Workstations, Graphics Card Experts
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Amazon.com: AJC APC Back-UPS Back-UPS BK500EI 12V 9Ah UPS Battery - This is an Brand Replacement : Electronics
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APC BK500EI - Back UPS Standby UPS 500 VA/300 Sealed Lead Acid 2 40 Minute 220 AC | Industry-Electronics
![APC BK500EI 500 VA 300 Watts (1) IEC 320 C13 (Surge Protection) (3) IEC 320 C13 (Battery Backup) Outlets Back-UPS CS 500 USB/Serial European Version - 240V - Newegg.com APC BK500EI 500 VA 300 Watts (1) IEC 320 C13 (Surge Protection) (3) IEC 320 C13 (Battery Backup) Outlets Back-UPS CS 500 USB/Serial European Version - 240V - Newegg.com](https://c1.neweggimages.com/ProductImage/42-101-096-02.jpg)
APC BK500EI 500 VA 300 Watts (1) IEC 320 C13 (Surge Protection) (3) IEC 320 C13 (Battery Backup) Outlets Back-UPS CS 500 USB/Serial European Version - 240V - Newegg.com
![Amazon.com: SPS Brand 12V 8Ah Replacement Battery for APC Back-UPS 500 BK500EI UPS Battery : Health & Household Amazon.com: SPS Brand 12V 8Ah Replacement Battery for APC Back-UPS 500 BK500EI UPS Battery : Health & Household](https://m.media-amazon.com/images/I/519JqBBgMtL._AC_UF894,1000_QL80_.jpg)