3KVA 3000W Lithium Ion UPS Online UPS Battery UPS System LiFePO4 battery LCD long life UPS, Rack mount UPS, EPO, RS232 Dry contact, USB
DESCRIPTIONS:
The RSUN RT-Li Series is a high-performance, rack-mounted online UPS system that integrates advanced lithium-ion battery technology within a compact 2U chassis. Built on true double-conversion architecture with zero transfer time, it delivers continuous, pure sine wave power, ideal for protecting mission-critical systems that demand consistent voltage and frequency control.
Designed for scalability, the RT-Li Series supports modular runtime expansion through additional external lithium battery packs, enabling tailored power solutions without compromising rack space.
Engineered with cutting-edge 3-level topology and soft-switching design, this UPS minimizes switching losses, enhances thermal management, and achieves superior operating efficiency, up to 95.5% in online mode and 98.5% in ECO mode. These performance gains translate to lower energy consumption and reduced total cost of ownership, making it a smart choice for enterprise, industrial, and telecom environments.
MAIN FEATURES:
• Equipped with Lithium Iron Phosphate battery for 2000+ charge cycles
• True 1.0 output power factor for maximum load support
• Adjustable charging current (1A - 12A) for flexible appliance compatibility
• High-efficiency double conversion technology
• Wide input voltage options: 208/220/230/240VAC
• Up to 95.5% efficiency; 98.5% in ECO mode
• Simplified, faster maintenance design
SPECIFICATIONS:
| Model | RT-1K-Li | RT-2K-Li | RT-3K-Li |
| Rated Capacity | 1000W | 2000W | 3000W |
| INPUT |
| Input Formats | L+N+PE |
| Rated Input Voltage | 208/220/230/240VAC |
| Voltage Range | 110~300VAC ( 110~176VAC,280~300VAC power limited ) |
| Frequency Range | 50/60Hz±6Hz,± 10Hz (setable) |
| Input Power Factor | ≥0.99 |
| Input Harmonic Distortion | ≦3% THD(linear load), ≦5% THD(non-linear load) PF=0.8 |
| OUTPUT |
| Output Formats | L+N+PE |
| Output Voltage | 208/220/230/240VAC |
| Output Accuracy | ±1% |
| Output Frequency | AC mode: same as AC, Battery mode:50/60Hz±1% |
| Output Harmonic Distortion | ≦3% THD(linear load), ≦5% THD(non-linear load) PF=0.8 |
| Output Power Factor | 1.0 |
| Transfer Time | AC mode to Batt. Mode:0ms, Inverter mode to Bypass mode:4ms |
| Load Capacity | AC Mode: 30min@102%~110% Load / 10min@110%~130% Load / 30s@130%~150% Load / 200ms@>150% Load Battery Mode: 1min@102%~110% Load / 10s@110%~130% Load / 3s@130%~150% Load / 200ms@>150% Load |
| MACHINE EFFICIENCY |
| AC Mode | Full load efficiency 94.5%@220VAC | Full load efficiency 95.5%@220VAC | Full load efficiency 95.5%@220VAC |
| Battery Mode | Full load efficiency 89.5%@36VDC | Full load efficiency 91.5%@72VDC | Full load efficiency 91.5%@ 72VDC |
| BATTERY |
| Battery Lifecycle | ＞2000 |
| Single Cell Type | LFP26700-3600mAh |
| Battery Cell Configuration | 276.48Wh | 552.96Wh | 829Wh |
| Battery Voltage | 38.4V | 76.8V | 76.8V |
| Charging Voltage | 42VDC ± 1% | 84VDC ± 1% | 84VDC ± 1% |
| Charging Mode | 2 stage charging management (CC-CV) |
| Charging Current | 4A default, 12A max. | 4A default, 4A max. |
| WORKING ENVIRONMENT |
| Ambient Temperature | 0~40℃ |
| Ambient Humidity | 20%~95%(No Condensation) |
| Storage Temperature | -15~60℃(Battery:0~40℃) |
| Altitude | <1000m,Derating at above 1000m, maximum 4000m,Refer to IEC62040 |
| DISPLAY |
| LCD | Working mode/load/battery power/input/output ect. |
| STANDARD & CERTIFICATION |
| Standard & Certification: | EN/IEC 61000, EN/IEC 62040, GB/T4943, YD/T 1095, TLC etc. |
| PHYSICAL |
| case size (W*D*H) | 438*413*88mm(2U) | 438*532*88mm(2U) | 438*532*88mm(2U) |
| COMUNICATION INTERFACE |
| INTERFACE | 1*USB, 1*RS232, 1*EPO |
Versatile Mounting Options for Seamless Integration:
This UPS is designed for flexible deployment across a variety of environments. It supports standard 19” rack installation using the included mounting brackets or an optional user-supplied rail kit. For standalone applications, dedicated vertical mounting kits are available, enabling the UPS to be securely installed outside of a rack enclosure. When pairing the unit with multiple external battery packs in an upright configuration, optional base extensions can be added to enhance structural stability and maintain proper alignment across all components.
Why Choose a Lithium Battery UPS?
1. Extended Service Life
Lithium-based UPS systems offer a significantly longer operational lifespan, up to 3 to 5 times that of traditional lead-acid batteries, minimizing the frequency and cost of replacements.
2. Space-Saving and Lightweight Design
Engineered for compactness and reduced weight, lithium batteries simplify installation and are particularly well-suited for environments with limited space or structural load restrictions.
3. Rapid Charging & Superior Efficiency
Lithium UPS units support faster recharge cycles and deliver higher overall energy efficiency, helping to reduce downtime and improve power continuity during critical operations.
4. Advanced Safety and Intelligent Management
Integrated with smart Battery Management Systems (BMS), these units provide robust protection against thermal events, overcharging, over-discharging, and electrical faults ensuring stable and secure performance.
5. Sustainable & Environmentally Conscious
Lithium batteries are recyclable, free of hazardous materials, and have a lower environmental footprint than lead-acid counterparts, making them a responsible, eco-friendly power solution.
PERFECT FOR VARIOUS APPLICATIONS:
• Data Centers & IT Infrastructure - Safeguard servers, storage systems, and networking hardware from power disruptions and data loss.
• Healthcare & Medical Applications - Maintain uninterrupted power for essential life-support and diagnostic equipment.
• Residential & Office Settings - Provide seamless backup for computers, routers, entertainment systems, and other home or business electronics.
• Industrial & Telecommunications - Deliver stable, high-performance power support for mission-critical operations and communication networks.
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