Guangdong, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001
OEM/ODM Availability:
OEM/ODM Service
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Pure Sine Wave Inverter, Low Frequency Inverter, MPPT Inverter manufacturer / supplier in China, offering 1kw-5kw Low Frequency Pure Sine Wave Inverter with MPPT Controller, 100W USB Car Power Inverter (DXP100HUSB), 1000 Watts Modified Sine Wave Inverter DC 24V to AC 220V off Grid DC AC Power Inverter and so on.

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Supplier Homepage Products Low frequency Inverter 1kw-5kw Low Frequency Pure Sine Wave Inverter with MPPT Controller

1kw-5kw Low Frequency Pure Sine Wave Inverter with MPPT Controller

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Min. Order / Reference FOB Price
1 Piece US $564/ Piece
Port: Guangzhou, China
Production Capacity: 5000PCS/Month
Payment Terms: T/T, Western Union, Money Gram
Nature of Source Flow: Passive inverter
Phase: Single
Output Power: >1000W
Certification: CE, ROHS, ISO9001
Brand: Doxin
Type: DC/AC Inverters

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Basic Info

Model NO.: LFP-3000W
Power Source: Electric Power
Circuit Topologies: Full-Bridge Type
Nature of Wave String: Sine Wave Inverter
Rated Power: 3000W
Output Voltage: AC220V
Input Voltage: DC12V
LCD Display: Yes
Output Frequency: 50/60Hz
Battery Charger Current: 15A
PV Chrge Efficiency: 95%-99%
MPPT Current: 40A
Charge Mode: PV Charge + Utility Charge
Application: Electric Razor
Trademark: DOXIN
Transport Package: 1PC/Box
Specification: CE; RoHS; ISO
Origin: Guangzhou, China
HS Code: 8504409940

Product Description

1kw-5kw Low Frequency Pure Sine Wave Inverter with MPPT Solar Charge Controller
Parameter   Model3000W
Rated Output Power3000W
Peak Power6000W
Battery24V/48V (optional)
(Lead-acid battery)
Charging Parameter
Charge Mode(setting)PV charge
PV charge + utility charge
MPPT Solar ControllerVoltage24V
Max PV Input Voltage100V
PV Charge Efficiency95%~99%
Max PV Input Power568W
UtilityAC Charge Current0~15A
Charge Mode3-Stage Charging
Inversion parameter
AC OutputVoltage220V±3% or 230V±3 or 240V±3% or 100V±3%
or 110V±3% (optional)
Frequency50Hz±0.5 or 60Hz±0.5 (optional)
Output wave typePure sine wave output, waveform distortion rate≤3
Overload ability>120% 1 min, >130% 10s
Power Consumption24V: 0.7A  /  48V: 0.5A
(under normal working mode)
Power Consumption1-6W
(under sleep mode)
Inverter Conversion Efficiency85%~92%
Utility Mode
AC InputVoltage220V±35% or 110V+35%(optional)
FrequencyThe same as utility
AC OutputVoltage220V±5% or 110V+5%(optional)
FrequencyThe same as utility
Overload Ability>120% 1 min,>130% 10s
(AC first or DC first) priority
UPS Output(setting)AC first, DC standby
DC first, AC standby
Switch Time<5ms (AC to DC / DC to AC)
Power OnSet by users
(setting)Timed open / close AC output automatically
General Parameter
DisplayDisplay ModeLCD+LED
Display InformationInput voltage, output voltage, output frequency, battery capacity, Load condition, Status Information
ProtectionOverload output, short-circuit, high-voltage input, low-voltage input, overheat
Size W×D×H(mm)450*246*468
Packing Size W×D×H(mm)520*310*480
Net Weight (kg)25
Gross Weight (kg)27

1. Easy to install. To configure a solar system, customers only need to connect it with solar panels and batteries
2. CPU management ,intelligent control,modular design, User-friendly LCD display
3. Built-in MPPT controller, high charging efficiency
4. Low power consumption, high conversion efficiency
5. Intellectual,multi-function, convenient for customers with different using environment to fully use the solar energy
6. External battery connection, convenient to expand back-up power time
7. Strong load-carrying ability, low failure rate, easy maintenance and long service life (under proper operation, it may be as long as 5 years)
8. Perfect protection: low voltage protection, over voltage protection, overheat
protection, short-circuit protection, overloads protection
9. CE / EMC / LVD/ RoHS Approvals
10. Two years warranty, life-long technical supports
1. Charging function
There are 2 modes as shown bellow:
1.1 PV charge the battery, utility will not: when PV and utility are both connected to the machine, only the PV will charge the battery when there is sunlight
1.2 Both PV and utility will charge the battery: when PV and utility are both connected to the machine, AC (utility) will charge the battery. In the meanwhile, PV will also charge the battery if there is sunlight.
2. Utility as complementary power function
There are 2 kinds of complementary modes, shown as bellow:
2.1 AC first , DC standby UPS mode
When both utility and battery are connected to the machine, utility will supply power to the loads prior to the battery. When utility is cut off, the battery will automatically continue to supply power.
Steps are as follows:
Step 1: When utility power is available, it will output directly after voltage being stabilized and charge batteries at the same time.
Step 2: When utility power is cut off suddenly, the inverter will convert DC power to AC power automatically to ensure uninterrupted power supply within 5ms.
Step 3: When utility power becomes available again, it will automatically transfer to utility supplying power to loads and charge batteries at the same time.
2.2 DC first, AC standby UPS mode:
When both utility and battery are connected to the inverter, battery will supply power to the loads prior to utility. When battery capacity is not enough, utility will continue to supply power automatically.
Steps are as follows:
Step 1: When battery has enough power, it will supply power to the loads directly
Step 2: When battery does not have enough power, it will automatically transfer to utility supplying power to the loads
Step 3: After the battery is fully charged (e.g. by solar or wind charge controller), it will then automatically transfer to battery supplying power to the loads.
3. Timing function
There are 2 kinds of timing mode:
3.1 Timed on/off output mode: can set specific time when utility (AC) output will be open and closed
3.2 Battery and utility switchable mode: can set specific time when battery or utility will supply power
4. Recording/checking function
4.1 Machine fault checking: can check the machine fault information
4.2 Discharge time checking: can check the discharge time of the battery

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