APC SRYLFXBPRM4 Smart-UPS Modular Ultra External Battery Frame Rackmount. External battery pack without battery modules. Compatible with all Smart-UPS Modular Ultra models.
- Compatible with all Smart-UPS Modular Ultra models
- External battery frame for up to (4) SRYLBM
- SRYLBM sold separately
- Standard warranty 5 years repair or replace
