PowerShield PSRTBB12 Extended Battery Module is a 2U rack-mount external battery cabinet designed to significantly extend the runtime and reliability of PowerShield UPS systems including the PSCRT3000, PSCERT2000, and PSCERT3000 models.

• Houses 12 sealed lead-acid AGM batteries (12V 9Ah PSB12-9) utilizing advanced Absorbent Glass Mat technology for maintenance-free operation and low self-discharge.
• AGM construction features efficient gas recombination rated up to 99%, compliant with LATA/ICAO Special Provision A67, allowing safe air transport.
• The batteries are UL-recognized components, engineered for both float and cyclic applications to deliver a long service life and high power density thanks to the lead-calcium-tin alloy grid design.
• The chassis form factor is a compact 2U rack mount, measuring 600 × 438 × 88 mm and weighing approximately 42.7 kg.
• Can be installed in any orientation with case and cover options in standard or flame retardant ABS materials.

For additional accessories like battery cartridges and rail kits, and for support or warranty service, visit the [PowerShield product page](https://powershield.com.au/product/extended-battery-module-for-pscrt3000/).

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Key Benefits:

• Rack-mountable design for space-efficient deployment


• Maintenance-free AGM batteries for hassle-free operation


• High reliability with UL-recognized certified battery components


• Compatible with multiple popular PowerShield UPS models


• Compliant with international transport regulations