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Rectangular 12 V lead-acid battery unit for APC SMT1500RM2U UPS

Battery Technology Inc.

Battery Technology Inc. SLA133-BTI 12 V lead-acid battery accessory for APC SMT1500RM2U

SKU CH-HW95-KGPJ8 MPN SLA133-BTI

12 V lead-acid replacement battery unit compatible with APC SMT1500RM2U and SMT1500RMI2U UPS models, sold individually with an 18 month warranty

  • TypeBattery Unit
  • CompatibilityAPC SMT1500RM2U UPS
  • FeaturesSold as 1 Each.
  • 12 V output powers your APC SMT1500RM2U UPS reliably
  • Lead-acid chemistry delivers dependable backup performance
  • Direct compatibility with SMT1500RM2U and SMT1500RMI2U models
  • 18-month limited warranty protects your investment
  • Sold as a single unit for simple replacement

Replacement Battery for APC SMT1500RM2U

The Battery Technology Inc. SLA133-BTI is a 12 V lead-acid battery unit designed specifically for the APC SMT1500RM2U and SMT1500RMI2U UPS models. It restores backup runtime when the original cells reach end of life. The product is sold as a single unit and carries an 18 month limited warranty.

Installation and Common Issues

Installation follows the standard hot-swap procedure for the compatible UPS chassis, requiring no special tools beyond those used for routine battery replacement. The most frequent issue is failing to seat the connector fully, which prevents the UPS from recognising the new pack. Always power down connected loads and verify the replacement date in the management interface after fitting.

Suitability and Alternatives

This battery suits administrators maintaining an APC SMT1500RM2U or SMT1500RMI2U who need a direct voltage and form-factor match. It is not suitable for buyers who need a different voltage, a higher capacity pack, or a battery for another UPS model or brand.

Highlights

  • 12 V output powers your APC SMT1500RM2U UPS reliably
  • Lead-acid chemistry delivers dependable backup performance
  • Direct compatibility with SMT1500RM2U and SMT1500RMI2U models
  • 18-month limited warranty protects your investment
  • Sold as a single unit for simple replacement

Specifications

BrandBTI
ModelSLA133-BTI
TypeBattery Unit
CompatibilityAPC SMT1500RM2U UPS
FeaturesSold as 1 Each.
Shipping weight13.11 kg
Package size420 × 285 × 147 mm

Questions about this item

How can I verify the SLA133-BTI battery is working correctly after installing it in my APC SMT1500RM2U UPS?

After installation, check the UPS front-panel display for a full charge indicator and run a self-test; the unit should report 12 V DC output and hold load without switching to bypass.

What comes in the box with the SLA133-BTI and is anything else required to complete the replacement?

The package contains one SLA133-BTI lead-acid battery unit; no additional cables or hardware are needed for the APC SMT1500RM2U swap.

Which version of the BTI replacement battery should I select for an APC SMT1500RM2U?

Choose the SLA133-BTI model — it is built for the APC SMT1500RM2U and SMT1500RMI2U and delivers 12 V DC with an 18-month limited warranty.

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