3KVA Lithium Ion UPS Battery Backup DSP Control 3kva Digital LFP UPS For Home

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.

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

With over 23 years of industry expertise, RSUN POWER is a trusted manufacturer specializing in Uninterruptible Power Supplies (UPS), inverters, and battery solutions. Our state-of-the-art factory spans nearly 20,000 square meters and is equipped with 33 fully automated SMT production lines, over 10 sets of automated insertion equipment, ICT PCB testing systems, ATE automated testing centers, and a dedicated aging workshop to ensure the highest product reliability.

Supported by a team of over 500 skilled professionals, including 30 experienced R&D engineers, we are committed to continuous innovation, superior product quality, and exceptional customer service. RSUN POWER stands as a leading force in the power electronics industry, delivering dependable solutions to customers worldwide.

Our Vision

To become a global leader in the UPS industry by maintaining excellence in technology, R&D capability, manufacturing scale, and modern management practices.

Our Mission

To consistently deliver the most reliable, intelligent, and safe UPS systems, inverters, and battery solutions.
We are committed to positioning China’s UPS industry on the world stage, empowering our employees to achieve personal growth and creating a happier, more fulfilling life through meaningful work.

Since its establishment in 2002, RSUN POWER has steadily grown into a leading manufacturer of UPS systems, inverters, and batteries. Through continuous innovation, global expansion, and investment in advanced manufacturing technologies, we have achieved key milestones that reflect our commitment to quality, reliability, and customer satisfaction. The timeline below highlights the significant stages of our development and the strategic steps that have shaped our success over the years.