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
Single black rectangular 12V 9A sealed lead-acid battery unit

RefurbUPS

RefurbUPS Back-UPS ES 650 BE650R 12V9A RBC17 ups replacement battery

SKU CH-F3ZG-NYE5X

Compatible 12V 9A replacement battery kit for Back-UPS ES 650 and BE650R models

  • TypeBattery
  • Weight7
  • Compatible with APC Back-UPS ES 650 BE650R
  • 12 V 9 Ah sealed lead-acid battery
  • Replaces APC RBC17 cartridge directly
  • Re-use existing wiring harness to reduce waste
  • Supplied with step-by-step installation instructions

Compatible APC BE650R replacement

This 12 V 9 A sealed lead-acid battery kit replaces the RBC17 unit inside APC Back-UPS ES 650 and BE650R models. It arrives factory-fresh and ready for immediate installation using the existing wiring harness. The kit includes comprehensive step-by-step instructions so the swap can be completed without special tools. Buyers who need a higher-capacity pack or a different voltage will not be served by this single-battery kit.

Sealed lead-acid thermal profile

The SLA chemistry runs cool during normal float charging and typical discharge cycles, adding no audible fan noise to the UPS. Power draw while recharging stays within the original unit’s design envelope, so the UPS chassis thermal management remains unchanged. No additional ventilation or cooling modifications are required after installation. Environments that demand lithium-ion cycle life or extreme temperature tolerance are outside this battery’s design scope.

Drop-in fit for existing UPS

The battery uses the same physical footprint and terminal layout as the original RBC17, so it slides into the compartment without cable adapters or bracket changes. Reusing the original harness keeps the installation fast and preserves the UPS safety certifications. The kit supplies one 12 V 9 A block; systems that require multiple cells in series or parallel cannot use this single-unit pack.

Highlights

  • Compatible with APC Back-UPS ES 650 BE650R
  • 12 V 9 Ah sealed lead-acid battery
  • Replaces APC RBC17 cartridge directly
  • Re-use existing wiring harness to reduce waste
  • Supplied with step-by-step installation instructions

Specifications

TypeBattery
Weight7

Questions about this item

How do I install the 12V9A battery in my Back-UPS ES 650 and what step is often missed?

Remove the UPS front cover, disconnect the old battery leads, connect the new 12V9A unit using the existing wiring harness, then replace the cover. The step often missed is ensuring the harness connectors are fully seated before closing the case.

What maintenance will this RBC17 compatible battery need over its service life?

As a sealed lead-acid unit it requires no watering or electrolyte checks. Plan to replace the battery every three to five years depending on discharge cycles and ambient temperature.

What is the first limit reached when the UPS runs on this battery during a prolonged outage?

The 9 ampere-hour capacity determines runtime; once the stored energy is depleted the UPS will shut down to protect the battery from deep discharge.

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

Also in this aisle

People compared these

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