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Two 12 V 9 Ah sealed lead-acid batteries fused together in a replacement kit

RefurbUPS

RefurbUPS Back-UPS XS 1500 LCD Compatible Replacement Battery Kit

SKU CH-EHT4-5BTCS

Compatible replacement battery kit for Back-UPS XS 1500 LCD, includes two fused 12V9A SLA batteries

  • TypeBattery
  • Weight14
  • Compatible kit restores UPS runtime with two fused 12 V 9 Ah batteries
  • Reuses existing wiring harness for simple drop-in installation
  • APC RBC109 compatible design matches original specifications
  • Factory-fresh sealed lead-acid cells deliver high-rate discharge performance
  • Includes step-by-step replacement instructions for confident DIY service

Compatible replacement kit for BX1500LCD

This kit supplies two 12V9A sealed lead-acid batteries fused together to match the APC RBC109 specification. It is intended for owners of the Back-UPS XS 1500 LCD who need to restore runtime after the original cells have aged. The unit weighs 14 and arrives ready for installation.

Practical limits of user-replaceable UPS batteries

Runtime scales with load, so heavy server draw will exhaust the 9Ah capacity faster than light network gear. The sealed chemistry requires upright mounting and cannot be topped up, meaning the whole kit must be swapped once voltage sags under test. No internal charger modification is needed.

Build quality and daily implications

Factory-fresh cells are welded into a single block that fits the existing wiring harness, so installers reuse the original connectors without crimping. Comprehensive printed instructions guide the swap, reducing the chance of reversed polarity. The fused pair ships as one piece, simplifying recycling of the spent pack.

Highlights

  • Compatible kit restores UPS runtime with two fused 12 V 9 Ah batteries
  • Reuses existing wiring harness for simple drop-in installation
  • APC RBC109 compatible design matches original specifications
  • Factory-fresh sealed lead-acid cells deliver high-rate discharge performance
  • Includes step-by-step replacement instructions for confident DIY service

Specifications

TypeBattery
Weight14

Questions about this item

Should I choose the single-battery or dual-battery kit for the BX1500LCD?

The kit supplies two 12V9A batteries fused together, matching the original RBC109 configuration for this UPS model.

What does the 1500 rating mean for actual backup time with these batteries?

The 1500 VA rating reflects the UPS capacity; runtime depends on the connected load, but the dual 12V9A pack restores the factory backup performance.

Does the kit use a standard connector or a proprietary interface?

It reuses your existing wiring harness, so no new connector or interface is required for installation.

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