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RefurbUPS

RefurbUPS APC Back-UPS 520 BK520 UPS Replacement Battery Kit 12V12A

SKU CH-ZMK5-WC7DG

Compatible 12V 12A replacement battery kit for APC Back-UPS 520 models, factory fresh and ready to install

  • TypeBattery
  • Weight10
  • Factory fresh cells deliver reliable backup power for APC Back-UPS 520
  • High-performance 12V 12A battery matches original RBC4 specifications
  • Single 12 V 12 Ah unit weighs 10 kg for straightforward installation
  • New condition ensures full service life from first charge

Factory Fresh Replacement Battery Kit

This kit provides a factory fresh replacement battery cartridge designed for the APC Back-UPS 520 (BK520) uninterruptible power supply. It consists of one 12V12A battery unit that is APC RBC4 compatible. The product is supplied new and ready for immediate installation to restore backup runtime.

Single Battery Cartridge Limit

The kit contains only one 12V12A battery, so it suits UPS models requiring a single cartridge. Systems needing multiple batteries or higher capacity configurations cannot use this kit alone. Buyers should verify their specific UPS model requires exactly one RBC4 compatible cartridge before purchase.

Highlights

  • Factory fresh cells deliver reliable backup power for APC Back-UPS 520
  • High-performance 12V 12A battery matches original RBC4 specifications
  • Single 12 V 12 Ah unit weighs 10 kg for straightforward installation
  • New condition ensures full service life from first charge

Specifications

TypeBattery
Weight10

Questions about this item

Is the 12V 12A battery the only capacity available for the BK520?

Yes, the kit supplies one 12V 12A cartridge that matches the APC RBC4 specification for the Back-UPS 520.

How long will the 12V 12A battery keep my equipment running during an outage?

Runtime depends on the load drawn by the connected devices; the 12A rating defines the battery capacity, not a fixed backup time.

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