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1KVA Lithium Ion UPS Double Conversion Ups Systems Online UPS Sine Wave Dry Contact

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1KVA Lithium Ion UPS Double Conversion Ups Systems Online UPS Sine Wave Dry Contact

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Brand Name : RSUN or OEM

Model Number : D1K-Li

Place of Origin : China

MOQ : 50

Price : Negotiation

Payment Terms : L/C,T/T

Supply Ability : 100000PCS per month

Delivery Time : 30 working days

Packaging Details : Cartons

Type : Lithium Ion UPS

UPS type : Double Conversion Online UPS

Capacity : 1KVA 1KW

Waveform : Pure sine wave

THD : <2%(Linear Load), <8%(None-Linear Load)

Efficiency : 90%

Battery type : LiFePO4 battery

Protection : 3 over voltage protection loop, preserve interface for over temperature/over pressure switch off interface

Overload capability : 100%~105% continuous.

Battery Capacity : 48VDC (default for 15cell of LiFePO4 )

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1KVA 900W Lithium Ion UPS Double Conversion Ups Systems Online UPS Sine Wave Ups Dry contact, 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 to deliver reliable and efficient power protection. Featuring true double-conversion topology, it provides a pure sine wave output, ensuring stable and continuous power for mission-critical equipment and applications that require seamless voltage regulation. With zero transfer time, it guarantees uninterrupted power during outages or fluctuations. Additionally, the DK-Li UPS supports parallel connection of multiple battery packs, offering flexible scalability while minimizing space requirements.

MAIN FEATURES:

LiFePO₄ UPS - Efficient & Reliable Power
True double-conversion output
2000+ cycle LiFePO₄ battery
DSP digital control
Zero transfer time
Wide input range: 90 - 300VAC
4A / 8A adjustable charging current
Generator compatible
Modbus & dry contact for BMS
Compact and easy to maintain

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.
1KVA Lithium Ion UPS Double Conversion Ups Systems Online UPS Sine Wave Dry Contact60Sec.@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

1KVA Lithium Ion UPS Double Conversion Ups Systems Online UPS Sine Wave Dry Contact

Why Opt for a Lithium Battery UPS?
1. Extended Service Life
Lithium UPS systems offer 3 - 5 times the lifespan of traditional lead-acid models, minimizing replacements and reducing total cost of ownership.
2. Smaller Footprint & Lightweight Design
Their compact size and reduced weight simplify installation and are ideal for environments where space and mobility matter.
3. Rapid Charging & Superior Efficiency
Fast recharge rates mean minimal downtime, while high energy efficiency supports more reliable power delivery with less energy loss.
4. Advanced Protection & Reliability
Integrated with smart Battery Management Systems (BMS), lithium UPS units ensure safer operation by preventing thermal runaway, overcharging, and electrical faults.
5. Environmentally Responsible
Lithium batteries are recyclable, non-toxic, and free of hazardous materials, supporting greener operations and sustainable energy practices.

APPLICATIONS:

Residential Solutions
• Ensures uninterrupted power for Wi-Fi routers, lighting systems, televisions, and everyday appliances
• Ideal for powering home office setups and critical medical devices such as CPAP machines during outages

Office Applications
• Maintains continuous operation of workstations, monitors, and networking hardware
• Supports VoIP communications, multifunction printers, and compact server infrastructure

Commercial Settings
• Reliable backup for point-of-sale (POS) terminals, surveillance systems, and electronic access controls
• Keeps digital signage, kiosks, and telecom equipment operational during power disruptions


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