
APC Smart-UPS Modular Ultra 20kW N+1, Lithium-ion, Rackmount 12U
Smart-UPS™ Modular Ultra 20kW by APC delivers maximum power protection in a compact 12U form factor, scalable with four 5kW power modules and four lithium-ion battery modules. The 125A chassis enables full 20kW N+1 redundancy with superior installation efficiency—50% smaller and 60% lighter than comparable systems. Designed for sustainability and flexibility, it offers industry-leading embodied carbon reduction and total cost of ownership savings. Comes with 1-year Secure Network Management Card subscription. Additional modules (SRYL5KPMT, SRYLBM) sold separately. Compatible with Genuine APC battery modules only. Category Details Model SRYL20K20RMXLT UPS Topology On-Line Rated Power (W / VA) 20,000 W / 20,000 VA Power Modules 4 (5kW each, pre-installed) Battery Modules 4 (pre-installed, Li-Ion) Scalability Scalable to 20kW N+1 Chassis 125A, 12U Rackmount Battery Life 8–10 years Run Time (Full Load) ~5 minutes 31 seconds Input Voltage 208/240V Output Voltage 120V / 208V / 240V Input Frequency 40–70 Hz Mounting Rack-mounted, 2-post compatible Network Management 1-Year Secure NMC Subscription Included Display Touch Screen LCD Bypass Built-in Certifications ENERGY STAR V2.0, CULus, FCC Warranty 5 Years Noise Level 68 dB Dimensions (H x W x D) 20.5 x 17.3 x 29.1 in (520 x 440 x 740 mm) Net Weight 148.5 kg (327.4 lb)