Your UPS is still running, but the battery's past its prime and you know it won't hold through the next outage. The APC RBC #118 is the exact drop-in replacement for your SMX120RMBP2U — 120V lead-acid, ten blocks per string, fully assembled in the box. No soldering, no guessing at connector pinouts. You slot it in, close the panel, and you're back to full runtime. Backed by a 2-year warranty because APC tested this cartridge against your specific unit before it ever left the factory. If your UPS has been running on fumes for three or four years, this is the part that keeps your servers, network gear, or medical equipment alive when the grid drops. Add to cart and we'll get it moving from our warehouse as soon as it lands
| brand | APC |
| product_type | Replacement battery cartridge |
| battery_type | Lead-acid |
| voltage | 120 V |
| battery_blocks_per_string | 10 |
| compatible_ups | SMX120RMBP2U |
| mounting_mode | Not rack mountable |
| device_mounting | Enclosed battery cartridge |
| replacement_quantity | 1 |
| operating_temperature | 0–40 °C |
| storage_temperature | -15–45 °C |
| operating_altitude | 0–10,000 ft |
| relative_humidity | 0–95% |
| warranty | 2 years |
| included_items | All required connectors, battery recycling guide, installation guide, reusable packaging |