Gold Member Since 2016
Audited Supplier
Eastsun Electricity Science and Technology (China) Co., Ltd.

Computer Power Backup, Line Interactive UPS, Power Supply manufacturer / supplier in China, offering 4kVA Computer Power Backup UPS Line Interactive Power Supply, 100kVA Online 3 Phse UPS Power Source, 220V 240V 384V PWM PV Solar Charging Controller and so on.

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Supplier Homepage Product Line-interactive ups 4kVA Computer Power Backup UPS Line Interactive Power Supply

4kVA Computer Power Backup UPS Line Interactive Power Supply

FOB Price: US $264-550 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $264-550/ Piece
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Port: Foshan, China
Production Capacity: 50000pieces/Year
Payment Terms: L/C, T/T, Western Union, Money Gram, TT, LC, money gram, western union

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Basic Info
  • Model NO.: LI4K
  • Type: Line Interactive
  • Application: Home, Office
  • Standby Time: Long Back up Model
  • Output Capacity: Medium Type
  • Brand: Eastsun
  • Warranty: 1 Year
  • Provide: OEM and ODM Service
  • Display: LCD
  • Certificate: Ce and RoHS
  • Name: 4kVA 5kVA 6kVA 8kVA Home UPS Line Interactive Desi
  • Transport Package: Carton Box
  • Origin: Foshan
  • Phase: Single Phase
  • Protection: Short Circuit
  • Classification: Lighting/Power
  • Standby UPS: Sine Wave Output UPS
  • Equipment Mode: Centralized Model
  • Color: Black
  • Output Wave Form: Pure Sine Wave
  • Efficiency: >90%
  • DC Input Voltage: 48V
  • Communication Software: RS232
  • Trademark: eastsun
  • Specification: 480*260*430
  • HS Code: 85044020
Product Description
4KVA computer power backup UPS line interactive power supply 

ESLI Series line-interactive UPS is made of advanced MCU technology, has high efficiency, small
size, nice appearance, the advantages of advanced and reliable performance. Micro-computer
digitally controlled of the steady uninterruptible power supply system, is designed for computer
systems and sophisticated electronic equipment designed high-quality electronic products. It not
only make sure that there is steady alternating current output, bus also when Ac utility power
suddenly blackout or voltage is too high(low), change to inverter mode at once, going to supply
power for load.

1. Fully AVR
2. Intelligent CPU controlled
3. Surge protection
4. 100% unbalance load capability
5. Cold start available
6. Wide input voltage range
7. High overload capability (up to 150%)
8. Strong generator compatibility
9. Auto restart when mains power is restored
10. Full protection against over voltage/low voltage
11. Software communication optional with Rs232 / USB / SNMP card
12. LCD touch screen, friendly human & machine interface

 Nominal capacity(KVA)1234568101215
DC voltage24VDC48VDC96VDC
Input voltage 220VAC±25%
Input frequency50Hz/60Hz ± 10%
Output  voltage220VAC ± 5% 
Output frequency 50Hz/60Hz ± 1%
Output waveshapePure sine-wave
Charge currentMax 20A
ProtectionsInput/output over high or low voltage protecting
Low battery protecting ; surge and pike-currents protecting
Overload protecting 105%~125%,60sec; >125~150%,10sec; >150%, 140ms output short circiut <150ms
State displayLED/LCD
Operation temperature0~40ºC, Humidity <90%(non-condensing)
Storage temperature"-15~50ºC", avoid sunshine and dry condition
Operating height above sea level0~3,000meter
Size(W*D*H mm)400*193*320480*260*430550*260*640
Weight 302540606570859095100


Q1 : What is you advantages?
a).We are professional ups manufacturer for more than ten years and we have these staffs with rich
     production and R&D 
b) Excellent workers and skilled engineers 
c).Our aims are to provide every customer high quality, reasonable price and excellent 
 d)we can guarantee to send the goods on time. And also accept any transportation ways that
you require 
Q2 : How do you control the production quality?
a) For materials, we have IQC departments and the IQC testing follow MIL-STD-105E standard
b) in production have 4 times function testing
c) all of our products with 100% burn-in testing
d) 100% QC testing before delivery
Q3 : Do you accept OEM/ODM?
A3 : ODM&OEM are warmly welcomed !!!
Q4 : what's your payment?
a) We can accept payment terms of T/T, Western Union.
 Samples and trial order accept T/T & Western Union. normal order accept T/T &Western Union 
b) 30% ADVANCE DEPOSIT after buyer's confirmed payment, the balance should be paid before shipping when goods are ready.
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