APC RBC44 UPS battery Sealed Lead Acid (VRLA)

The APC RBC44 is a sealed lead acid (VRLA) UPS battery designed to provide reliable power backup for critical equipment. It features a compact rectangular housing in black and is intended for use with compatible APC UPS systems. The battery supports user-replaceable, hot-swappable installation to minimise downtime and is rated for an expected service life of approximately 3–5 years.

Advantages

Hot-swappable, plug-and-play installation allows replacement without shutting down connected equipment. User-replaceable design lets trained personnel change the battery on site. Sealed lead acid (VRLA) chemistry provides maintenance-free operation and proven compatibility with many APC UPS models. The product’s dimensions and weight make it suitable for rack or cabinet installation where specified by the UPS manufacturer.

Suitable for

• APC UPS units that list RBC44 as a compatible replacement battery
• Server rooms and network cabinets requiring uninterrupted power backup
• Telecommunications and emergency systems where quick battery swaps are needed

Key specifications

• Model: APC RBC44
• Battery technology: Sealed Lead Acid (VRLA)
• Expected battery life: 3–5 years
• Weight: 35 kg
• Dimensions (H x W x D): 196.8 x 596.9 x 121.9 mm
• Colour: Black

How to use

Verify that your APC UPS model lists RBC44 as a compatible replacement. Follow the UPS manufacturer’s service instructions to power down or enable bypass as required for safe battery replacement, unless performing a hot-swap according to the UPS manual. Remove the spent battery and install the RBC44 in the designated bay, ensuring correct orientation and secure connections. After installation, follow the UPS procedures to return the unit to normal operation and verify battery status indicators.

Recommendations

Install and replace batteries only in accordance with the APC UPS user manual and local safety regulations. Use appropriate personal protective equipment and ensure trained personnel perform replacements. Dispose of the old sealed lead acid battery following local recycling and hazardous-waste guidelines.