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Dongguan Kewang Technology Co., Ltd.

Solar Energy System, Solar Energy, Solar Home System manufacturer / supplier in China, offering 3kw/5kw off Grid Solar Home Energy Storage System Built in Inverter and Battery, Kewang Dry Type Step up Transformer, 380V Rls Series Contactless Intelligent Type Voltage Regulators 800kVA and so on.

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Supplier Homepage Product K-storage Solar Energy System 3kw/5kw off Grid Solar Home Energy Storage System Built in Inverter and Battery

3kw/5kw off Grid Solar Home Energy Storage System Built in Inverter and Battery

FOB Price: US $2,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $2,000/ Piece
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Port: Yantian, China
Transport Package: Wooden Carton
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: k-storage
  • Application: Home
  • Battery Type: Gel Lead Acid Battery
  • Power: 1kw/2kw/3kw/5kw
  • Display: LCD/LED
  • Trademark: kewang
  • HS Code: 8504401990
  • Certification: ISO, CE
  • Specification: Normal
  • Battery: 12V/200ah
  • Power Source: Solar Power
  • Cooling: Air Cooling
  • Origin: China
Product Description
Kewang Intelligent Microgrid Energy Storage System
K-Storage 1KW/2KW/3KW/5KW

Reliable Power Day and Night,Enjoying power with no fuel, exhaust or noise, safe, Movable, powerful and completely plug-and-play. 

Introduction
Kewang Intelligent Microgrid Energy Storage System, with a built-in inverter, can store energy generated from the PV system.
K-Storage provides backup power during utility outages, natural disasters to meet the needs of family use, enabling you to self-power your home and can go off-grid.


Feature
  1. Combination of generator&stabilizer function, all-in-one moveable off-grid storage system.
  2. Wide MPPT range with 30-55V, 20% higher than PWM solar charge controller
  3. Support PV/Generator/AC/DC input
  4. Intelligent design with attractive appearance
  5. Easy installation and commissioning, high efficiency with a variety of power charging method
  6. Battery can be increased depends on usage

System Application
1.Living house and home building.
2.Office building
3.Use the areas have no grid network coverage, or has grid coverage but grid power  is in unstable or outage condition.
3kw/5kw off Grid Solar Home Energy Storage System Built in Inverter and Battery


CONFIGURATION
3kw/5kw off Grid Solar Home Energy Storage System Built in Inverter and Battery

Scenarios
3kw/5kw off Grid Solar Home Energy Storage System Built in Inverter and Battery

3kw/5kw off Grid Solar Home Energy Storage System Built in Inverter and Battery

Max Power Supply Capacity Reference(1KW---1.8KWh)
Appliances Daily Power Consumption Sheet 
Home Electrical EquipmentQuantity
(PCS)
Unit Power
(W)
Working Time per Unit  (H)Daily Power Consumption
(WH)
PC1902180
32" LCD TV11301130
120L Refrigerator11008800
Fan1705350
LED Light4106240
Total 430 1700

Max Power Supply Capacity Reference(3/5KW---9.6KWh)
Appliances Daily Power Consumption Sheet 
Home Electrical EquipmentQuantity
(PCS)
Unit Power
(W)
Working Time per Unit  (H)Daily Power Consumption
(WH)
PC1903270
120L Refrigerator1100242400
42" TV11304520
Fan1705350
LED Light10106600
Washing machine13501350
Air conditioner1150034500
Total 2250 8990
Above data just for reference



DATA SPECIFICATION (1KW/ 2KW/ 3KW /5KW)
Power Range1KW/2KW DATA SPECIFICATION3KW/5KW DATA SPECIFICATION
Item1KW2KW3KW5KW
DC InputRecommended Max. Power1-kWp2kWp3-kWp3-5kWp
Max. DC Input Power (KW)1-kWp2kWp3-kWp3- 5kWp
Max. Open Circuit Voltage of PV Array (V)//100100
Max. Input Current of PV Array (A)20206060
MPPT Range (V)30-55 V30-55 V50-88 V50-88V
MPPT Efficiency99%99%99%99%
AC OutputRated AC Output Power (KW)1000 watts2000 watts3000 watts5000 watts
Max. AC Output Power (KW)//4500 watts7000 watts
Working Voltage Range (V±%)220VAC/240VAC ±5%220VAC/240VAC ±5%220VAC/240VAC ±5%220VAC/240VAC ±5%
Working Frequency Range (Hz±%)50Hz±0.5%50Hz±0.5%50Hz±0.5%50Hz±0.5%
Power Factor0.990.990.990.99
THD (%)<4%<4%<4%<4%
InverterInverter TypePower frequency isolation inverterPower frequency isolation inverter
Inverter Voltage12V12V48V48V
Inverter Capacity1kWp2kWp3kWp5kWp
Inverter Efficiency90%90%90%90%
BatteryWorking Voltage12V12V48V48V
Max Capacity of Battery / 4pcs12V/150Ah12V/200Ah12V/260Ah12V/260Ah
Battery Dimension483x170x224mm/X1 units494x240x224mm/X2 units520x269x224mm/X4 units520x269x224mm/X4 units
Max. Storage Power1kWp2kWp12kWp12kWp
Output LoadOverload Protection
(Pure Resistance Load)
(110%<load<125%)±10%: fault (output closed after 15 seconds)
(125%<load<150%)±10%: fault ( output closed after 20 seconds)
(load>150%)±10%: fault (output closed after 5 seconds)
PerformanceConverting Efficiency (%)>80%>80%>80%>80%
Noise (dB)55555555
ChargingCharging CurrentMPPT 1~60A, inverter DC charging 0-45AMPPT 1~60A, inverter DC charging 0-45A
Stop-charging Voltage15.5V15.5V62V62V
Restart-charging Voltage14V14V56V56V
Low-voltage Protection Voltage of Battery10.8V10.8V43.2V43.2V
Restart Loading Voltage of Battery12.5V12.5V50V50V
SafetyProtection LevelIP25IP25IP25IP25
Communication PortRJ45RJ45RJ45RJ45
Mechanical Specification
External Dimension (LxWxH)600×300×500 MM600×300×500 MM655×650×1200 MM655×650×1200 MM
Weight25KG without battery ;
85KG with battery string
129KG  without battery ;
425KG  with battery string
CoolingAir CoolingAir CoolingAir CoolingAir Cooling
Other
Operating Temperature0ºC~+40ºC0ºC~+40ºC0ºC~+40ºC0ºC~+40ºC
Storing Temperature-15ºC - +50ºC-15ºC - +50ºC-15ºC - +50ºC-15ºC - +50ºC
Operating Altitude0-3,000m0-3,000m0-3,000m0-3,000m
DisplayLCDLCDLCDLCD
Certification
CertificatesIEC 62109- CE EMC/ LVDIEC 62109- CE EMC / LVDIEC 62109- CE EMC / LVDIEC 62109- CE EMC / LVD


Kewang Profile
3kw/5kw off Grid Solar Home Energy Storage System Built in Inverter and Battery

Shipment

3kw/5kw off Grid Solar Home Energy Storage System Built in Inverter and Battery

FAQ


Q1: How about the Packing?
A1:All exported goods are packed with campsite board cartons , so that we could better protect our products and also easier for being piled up
 
Q2: How about the Delivery Time?
A2:Generally speaking, it takes us 20 days to produce the goods after deposit or L/C. 
 
 
Q3: What is the MOQ?
A3:  it is 1 set. 
 
Q4: How about the Delivery Terms?
A4: By sea or by air or by road, FOB ,CFR, CIF, etc. any is acceptable to us.
Besides, some items can be sent by international express, such as DHL,TNT,UPS,EMS, Fedex, etc.
 
Q5: Can you offer Form A or Form E or C/O ? 
A5: Yes, no problem, we can apply for it from our local government. 
 
Q6: What kind of Certificates do you have?

A6:  ISO9001:2008 ( Register Number : UQ110457R0) (Website :www.uicc-web.com)
          ISO14001:2004 ( Register Number :UE120063R0) (Website :www.uicc-web.com)
          CE can made according to customers' requirements
          Fifth-Class Qualification of Transmission and Distribution projects.
          License of Telecom Equipments Network (issued No. 25-4751-011468)
          Member of CPSS (ZHGT ZI No. 654)
          High-Tech Enterprise

Q7: What is the Terms of Payment?         
A7: L/C, T/T
 

 
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