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Single 12V 9Ah sealed lead-acid battery in plastic casing

RefurbUPS

RefurbUPS Back-UPS 750 BE750G High Capacity 9 Amp Battery Replacement Kit

SKU CH-NJ8D-HTWXK

High-capacity 12 V 9 Ah replacement battery kit for APC BE750G and Back-UPS 750 UPS units

  • TypeBattery
  • Weight7
  • High-capacity 9 Ah battery extends UPS runtime
  • APC RBC17 compatible kit fits BE750G units
  • Factory-fresh 12 V sealed lead-acid cell
  • Reuse existing wiring harness for easy install
  • Trusted by over 10000 customers nationwide

APC BE750G Compatible Replacement Kit

This kit provides a direct 12 V 9 Ah battery replacement for the APC Back-UPS 750 BE750G. It includes one sealed lead-acid cell and comprehensive installation instructions. The product is designed for users who need to restore runtime to an existing UPS without replacing the entire unit. Buyers who require a higher-capacity cell than the original specification should verify compatibility before ordering.

Sustained Discharge Performance

The battery is built for high-rate and long-duration discharge scenarios typical of UPS backup operation. Factory-fresh cells deliver reliable voltage stability throughout extended outages rather than only during brief power fluctuations. This construction supports consistent runtime when the UPS is loaded near its rated capacity. Units that demand faster recharge cycles than the UPS charger provides may not reach full capacity between events.

Pre-Order Compatibility Check

Confirm that your UPS model is the APC BE750G or BE750 and that the existing wiring harness can be reused with the supplied terminals. Verify the physical dimensions of the battery compartment match the replacement cell before installation. Ensure the UPS firmware and charging circuit are functioning correctly to avoid premature wear. Installations requiring a different voltage, chemistry or connector type are not supported by this kit.

Highlights

  • High-capacity 9 Ah battery extends UPS runtime
  • APC RBC17 compatible kit fits BE750G units
  • Factory-fresh 12 V sealed lead-acid cell
  • Reuse existing wiring harness for easy install
  • Trusted by over 10000 customers nationwide

Specifications

TypeBattery
Weight7

Questions about this item

Does the 12 V 9 A battery run hot or noisy inside a Back-UPS 750 all day?

The sealed lead-acid cell is passive — no fan, no moving parts — so it adds no audible noise and only negligible heat during normal float or discharge cycles.

What existing hardware must I already own to install this kit?

You need an APC Back-UPS BE750G or 750 unit and its original wiring harness; the kit supplies only the 12 V 9 A battery and installation instructions.

Will the 12 V 9 A cell work reliably alongside the older electronics in my BE750G?

Yes — it is built to APC RBC17 specifications, so the charging circuit and runtime calibration of the original UPS remain unchanged.

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