OEM replacement battery RBC43-RS *compatible with RBC43*

Keep your APC Smart-UPS running at full capacity with the RBC43-RS replacement battery cartridge, a sealed lead-acid power unit engineered for hot-swappable installation and reliable backup performance. This cartridge delivers 24V nominal voltage and 18Ah capacity, ensuring your critical equipment stays protected during outages.

Advantages

The RBC43-RS offers maintenance-free, leakproof operation with an expected service life of 3–5 years under normal conditions. Its hot-swappable design allows battery replacement without powering down connected loads, minimizing downtime. The cartridge includes two 12V 18Ah batteries with F2 terminals, pre-wired and ready for installation.

Suitable for

• APC Smart-UPS 750VA, 1000VA, and 1500VA 2U rackmount/tower models requiring RBC43
• IT professionals managing server rooms, network closets, and edge computing environments
• Businesses needing dependable UPS runtime for critical hardware

Key specifications

• Battery type: Sealed lead-acid (SLA), maintenance-free
• Nominal voltage: 24V (two 12V batteries in series)
• Capacity: 18Ah
• Terminal type: F2 (Faston Tab 250)
• Operating temperature: 0–40°C
• Certifications: CE, UL, ISO 9001

Recommendations

For optimal performance, replace your UPS battery every 3–5 years or when the UPS signals a battery fault. Always verify your UPS model's compatibility with RBC43 before ordering. Store spare cartridges in a cool, dry place within -15°C to 40°C.