3KVA 2.7KW Lithium Ion UPS Battery Backup DSP control digital UPS LFP UPS 3kva ups for home, built-in BMS, UPS power system pure sine wave ups, High frequency Online UPS
DESCRIPTIONS:
The DK-Li Series is an online uninterruptible power supply (UPS) equipped with a lithium-ion battery. Engineered with a true double-conversion topology, it delivers a pure sine wave output, ensuring seamless power protection for mission-critical applications and sensitive equipment. With zero transfer time, the DK-Li UPS provides uninterrupted, clean AC power during outages or voltage fluctuations. In addition, it supports parallel connection of multiple battery packs, offering enhanced scalability while optimizing space efficiency.
MAIN FEATURES:
SPECIFICATIONS:
| Model | D1K-Li | D1KS-Li | D2K-Li | D2KS-Li | D3K-Li | D3KS-Li |
| Capacity | 1kVA/900W | 2kVA/1.8kW | 3kVA/2.7kW | |||
| Topology | Double Conversion Online UPS | |||||
| Phase | Single Phase Input Single Phase Output | |||||
| Mains Input | ||||||
| Wiring | L/N+PE | |||||
| Rated Voltage | 208/220/230/240VAC | |||||
| Voltage Range | 90~300VAC | |||||
| Frequency Range | 40Hz-70Hz | |||||
| Input Power Factor | ≥0.99 | |||||
| AC Output | ||||||
| Wiring | L/N+PE | |||||
| Output Voltage | 208/220/230/240VAC | |||||
| Voltage Regulation | ±1% | |||||
| Output Frequency | 50/60±4Hz(Sync Mode) / 50/60Hz±0.1%(Free Run) | |||||
| Waveform | Sine Wave | |||||
| Distortion | <2%(Linear Load), <8%(None-Linear Load) | |||||
| (THDV%) | ||||||
| Over load capability | 100%~105% continuous. | |||||
| 60Sec.@105%~130% Rated Load | ||||||
| 10Sec.@130%~150% Rated Load | ||||||
| 0.3Sec.@>150%Rated Load | ||||||
| Efficiency | ||||||
| Line Mode | 88% | 90% | ||||
| Battery Mode | 86% | 88% | ||||
| Battery | ||||||
| Rated Battery Voltage | 48VDC (default for 15cell of LiFePO4 ) | |||||
| Battery Capacity | 600WH, >40mins @ Full Load | External Battery Depends | 1000WH, >30mins @ Full Load | External Battery Depends | 1000WH, >20mins @ Full Load | External Battery Depends |
| Backup Time | ||||||
| Charging Current | 4A/8A | |||||
| Charging Voltage | 52.8V(default for 15cell of LiFePO4 ) / Customerized according to battery request | |||||
| Charger Behavior & | CC. CV. Floating. Turn-Off 4 states | |||||
| Protection | 3 over voltage protection loop, preserve interface for over temperature/over pressure switch off interface | |||||
| Physical | ||||||
| Tower Dimension | 1KS/2KS: 145×220×390mm 3KS: 190×318×365mm | |||||
| 1K: 190×318×365mm 2K/3K:190×318×415mm | ||||||
| Weight(KG) | 10.8 | 5.0 | 16.5 | 5.5 | 18.0 | 7.9 |
| HMI | ||||||
| LED DISPLAY | Mains / battery status, Load level, battery level, Operation Mode | |||||
| LCD DISPLAY with LED indicator | Input Mains Voltage, Frequency, Load level, Operation Mode, Health Status | |||||
| Standards Communication | 1. RS232 PORT | |||||
| 2. Network Card: Support SNMP, TCP/IP Protocol, for remote monitor the UPS via Smart Phone APP, Web page, PC Monitor Software, Support Server / NAS shutdown | ||||||
| 3. Dry Contact Interface for BMS control | ||||||
| 4. ModBUS For BMS interface | ||||||
| Operating Environment | ||||||
| Temperature range | -10~50oC | |||||
| Relative Humidity | 0-98%(Non-condensing) | |||||
| Acoustics Noise | <55dB @ 1 meters | |||||
