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Rectangular 12V 18A SLA battery in grey plastic case

RefurbUPS

RefurbUPS CSB GP12250 12V 18A UPS replacement battery

SKU CH-ZW1W-RFDWG

A 12V 18A sealed lead-acid battery kit for UPS backup power, supplied factory-fresh with installation instructions

  • Product typeKit/Package
  • Product weight15
  • Delivers 12 V 18 A high-rate power for reliable UPS runtime
  • Single CSB GP12250 SLA cell replaces the original cartridge without modification
  • Factory-fresh battery ships ready for immediate installation
  • Weighs 15 units for straightforward handling and mounting
  • Includes comprehensive instructions for a quick, confident replacement

Compatible UPS Replacement Cartridge

This CSB GP12250 compatible cartridge contains one 12V 18A sealed lead-acid battery designed for high-rate discharge applications. It serves as a direct replacement for UPS units that require this specific form factor and electrical rating. Buyers who need a different voltage, capacity or chemistry will not find a match here.

Installation With Included Instructions

The kit ships with comprehensive installation instructions that guide the user through the swap process. Because the unit weighs 15 and contains liquid electrolyte, careful handling and correct terminal orientation are the main points where mistakes occur. No special tools are mentioned in the supplied documentation.

Sustained Discharge Behaviour

The battery is built for high-rate discharge, meaning it delivers its rated current reliably during the relatively short runtime a UPS provides. Under continuous load the voltage will decline steadily until the UPS initiates its shutdown sequence. It is not designed for deep-cycle or long-duration draw beyond the UPS specification.

How it compares

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

Price $27.99
Cheaper than about 61% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Brand nameCSB Battery
Product lineCSB Battery
Product typeKit/Package

Questions about this item

How can I confirm the 12V 18A battery is working correctly after installation?

The kit includes comprehensive installation instructions; follow the post-install test steps to verify the UPS recognises the new cartridge and holds a charge.

What comes in the box and what must I purchase separately?

The package contains one factory-fresh 12V 18A SLA battery (CSB GP12250 compatible); no additional parts or accessories are required for a standard swap.

Which version or capacity should I choose for my UPS?

This single kit provides a 12V 18A high-rate discharge cell; select it when your UPS specifies a GP12250-compatible 18 amp-hour replacement.

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