Replacement Battery Cartridge for APC OM-1863B Model, APC RBC44 Compatible, Plug and Play Ready

Guaranteed Fit for Your APC OM-1863B: This RBC44-compatible replacement battery cartridge is a direct fit for any APC Smart-UPS RT or SRT system using the OM-1863B cartridge. Also fits the OM-1863 and OM-1863A revisions. See the full compatibility list in the description below.
New Batteries, Genuine APC Enclosure Professionally Refurbished: Factory-fresh premium grade sealed lead-acid batteries installed in a genuine APC metal enclosure that has been cleaned, inspected, and tested. Fully assembled, fully tested, and plug and play ready for immediate installation. Meets and/or exceeds manufacturer specifications.
Fast, Easy Installation: No tools required. Hot-swappable replace your battery without shutting down connected equipment. Slide out the old cartridge from the front of your UPS, slide in the new one. Most users complete installation in under 10 minutes.
Reliable Backup Power: Premium grade sealed lead-acid (AGM) batteries restore runtime to your UPS. Maintenance-free with 3-5 year expected service life. Arrives fully charged and ready to install.
Backed by Over 25+ Years of Experience: Every RefurbUPS product is assembled, inspected, and tested in the USA. 1-year warranty with responsive customer support from UPS power protection specialists.