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Sealed lead-acid battery pack, rectangular black case, 7.7 by 5.9 by 3.9 inches, 17.40 lb

CyberPower

CyberPower RB12120X2B ups replacement battery 12 V 12000 mAh for PR1000LCD

SKU CH-4NSH-A7MH1 MPN RB12120X2B

Replacement battery pack for CyberPower PR1000LCD UPS, delivering 12 V DC from sealed lead-acid cells rated at 12000 mAh

  • Product typeUPS Battery Pack
  • Compatible withCyberPower PR1000LCD UPS
  • DetailsOutput Voltage:12 V DC
  • Product weight17.4 lb (7.89 kg)
  • Direct replacement for PR1000LCD UPS
  • 12 V 12000 mAh sealed lead-acid capacity
  • Maintenance-free leak-proof sealed design
  • 18-month limited warranty included
  • Dimensions 7.7 in × 5.9 in × 3.9 in

CyberPower PR1000LCD Battery Pack

The CyberPower RB12120X2B is a sealed lead-acid replacement battery pack designed for the CyberPower PR1000LCD uninterruptible power supply. It delivers 12 V DC output and a 12000 mAh capacity to restore backup runtime. The maintenance-free, leak-proof construction simplifies long-term ownership. An 18-month limited warranty covers the pack.

Verify UPS Model Before Ordering

Confirm that the installed unit is the CyberPower PR1000LCD, as this pack is built exclusively for that model. Check the existing battery label for the RB12120X2B part number to ensure an exact match. The pack weighs 17.40 lb, so confirm the mounting area can support the mass. No additional tools beyond basic hand tools are typically required.

Fits Directly Into PR1000LCD Chassis

The battery slides into the existing PR1000LCD compartment using the original connectors and mounting points. Dimensions of 7.7 in width, 5.9 in depth and 3.9 in height align with the factory cavity. Replacing the aged cells restores the UPS to its rated backup performance without modifying the enclosure. The package includes an installation guide for a straightforward swap.

How it compares

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

Price $111.99
Pricier than about 78% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand nameCyberPower
Model nameRB12120 × 2B
Product typeUPS Battery Pack
Size & build
Product weight17.4 lb (7.89 kg)
Shipping weight8.21 kg
Package size246 × 203 × 152 mm
Compatibility
Compatible withCyberPower PR1000LCD UPS

Questions about this item

What comes in the box with the RB12120X2B battery pack and do I need any extra cables or tools for the PR1000LCD UPS?

The package contains the RB12120X2B battery pack and an installation guide; no additional cables or tools are required for installation in the PR1000LCD UPS.

The title mentions 12000 mAh and 12 V DC — which capacity should I select for my PR1000LCD?

This pack is a direct replacement rated at 12000 mAh and 12 V DC, matching the original specification for the PR1000LCD UPS.

What does the 12 V DC / 12000 mAh rating mean for actual runtime once the battery is installed in my PR1000LCD?

The 12 V DC 12000 mAh rating restores the UPS to its factory backup capacity, delivering the same runtime the PR1000LCD provided when new.

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