We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black rectangular 12V battery labelled BK400B replacement kit

RefurbUPS

RefurbUPS APC Back-UPS 400 BK400B 12V 7A UPS replacement battery

SKU CH-KHCS-YQ74S

Compatible 12 V 7 A replacement battery for APC Back-UPS 400 units

  • TypeBattery
  • Weight6
  • Factory-fresh cells deliver reliable backup power
  • 12 V 7 Ah capacity matches APC BK400B requirements
  • Single cartridge design enables quick tool-free installation
  • Compatible with APC RBC2 specification for direct replacement

Compatible replacement for APC Back-UPS 400

This replacement battery kit is built for the APC Back-UPS 400 model BK400B. It contains one factory fresh 12V 7A battery unit that matches the APC RBC2 specification. The product arrives new and ready for immediate installation in your existing UPS unit.

Suits owners needing a direct RBC2 swap

Buyers who need a different voltage, capacity or form factor should look elsewhere. This kit only provides the single 12V 7A cartridge for the specified Back-UPS 400 series.

Highlights

  • Factory-fresh cells deliver reliable backup power
  • 12 V 7 Ah capacity matches APC BK400B requirements
  • Single cartridge design enables quick tool-free installation
  • Compatible with APC RBC2 specification for direct replacement

Specifications

TypeBattery
Weight6

Questions about this item

Which APC UPS models does the 12 V 7 A battery cartridge fit?

The cartridge is built as an APC RBC2 compatible replacement and is intended for the Back-UPS 400 (BK400B) unit.

Can I keep the existing battery tray and cables when I swap in this cartridge?

Yes, the kit is a direct drop-in replacement that uses the same tray and connector layout as the original RBC2 pack.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

More in UPS Replacement Battery & Accessories

Similar items

Same shelf, same checkout — eight coins and a 30-minute rate lock.