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Replacement Battery Cartridge APC RBC43
The APC Replacement Battery Cartridge RBC43 is a sealed lead acid (VRLA) battery module designed as a direct replacement for compatible APC UPS models. It is supplied ready for installation with connectors in place and offers hot-swap capability so the cartridge can be replaced without powering down the connected equipment.
The RBC43 provides a factory-matched replacement that preserves UPS runtime and system reliability. Built with sealed lead acid technology, it delivers stable power backup and straightforward installation. The cartridge is complete with connectors and is designed for safe, user-replaceable hot-swapping.
Power down is not required for cartridge replacement when following the UPS manufacturer's hot-swap procedure. Ensure the UPS indicates it is ready for battery replacement, follow the unit-specific steps to remove the old cartridge, disconnect any retention clips if present, and install the RBC43 until connectors engage securely. After installation, verify the UPS displays normal battery status and run any recommended self-tests.
Replace batteries in a controlled environment, avoid exposure to extreme temperatures or moisture, and dispose of the old battery cartridge according to local regulations for lead-acid batteries. For safe replacement, follow APC's service instructions specific to your UPS model.
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