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Single 12V 9Ah sealed lead-acid battery block, rectangular black plastic case, two push-on terminals

RefurbUPS

RefurbUPS Back-UPS ES 550 BE550R replacement battery kit

SKU CH-TEYM-5KN5G

Compatible replacement battery kit with one 12 V 9 Ah SLA cell for the Back-UPS ES 550 BE550R

  • Product typeBattery
  • Product weight7
  • Compatible with APC Back-UPS ES 550 BE550R
  • Replaces APC RBC110 cartridge directly
  • Includes one 12V 9Ah sealed lead-acid battery
  • Reuse existing wiring harness for easy install
  • Factory-fresh cells built for high-rate discharge

What the kit replaces

The RefurbUPS Back-UPS ES 550 BE550R replacement battery kit supplies a single 12V9A sealed lead-acid cell that matches the APC RBC110 specification. It is intended for owners of a compatible UPS who need to restore runtime without buying a whole new unit.

Who should use it and who should not

The kit suits technicians and home-office users who can swap a battery using the existing wiring harness and the included instructions. It does not serve buyers who want additional battery capacity beyond one cell or who need a complete UPS rather than a replacement module.

Behaviour under sustained load

The high-rate discharge chemistry is built for long-duration backup events rather than brief power blips. Factory-fresh cells deliver consistent voltage through extended outages, and the design emphasises reliability over repeated deep-cycling.

How it compares

Measured against everything we stock in UPS Replacement Batteries, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 75% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Product typeBattery

Questions about this item

Which UPS models accept this 12V9A replacement battery kit?

The kit is compatible with the Back-UPS ES 550 BE550R and matches the APC RBC110 specification.

Can I keep my existing wiring harness when installing this battery?

Yes, the kit is designed so you reuse the original wiring harness from the UPS.

How do I confirm the UPS is operating correctly after fitting the new battery?

Run a self-test from the UPS front panel or software; a pass indicates the battery is delivering the expected 12V9A capacity.

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