POWER INVERTER CHARGERS

Wall mounted low frequency pure sine inverter charger 1kW -12kW WI Series

Experience reliability and versatility with our Wall-Mounted Pure Sine Wave Inverter Charger WI series. Ranging from 1KW to 12KW, it supports 12V, 24V, or 48V DC input. Power your world efficiently with precision in backup systems, off-grid solar systems and more.

Product Details

Though the cost of an inverter is less than 15% of the total amount in a power system, without it, the whole system doesn't work. An Inverter is one of the most important pieces of equipment in power systems including solar power systems and UPS backup systems. It's a device that converts direct current(DC) electricity to alternating current(AC) electricity for most home appliances use. 

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Key Features:

  • Robust and sleek design
  • Using Low-frequency toroidal transformer, less than 1Amp idle loss. 
  • pure sine waveform output with little harmonic distortion, suitable for all kinds of appliances.
  • Peak efficiency > 90%
  • Single-phase 110V, 120V, 220V, 240V AC output, customized based on your request.
  • AC mains priority for backup power systems or DC priority working mode for solar power systems. 
  • built-in AC bypass replay, UPS function
  • multi-stage smart charger with max 30A to charge gel, AGM, lithium battery
  • 4 millisecond typical transfer time, non-stop for computers during working.
  • LCD & LED display used to view inverter status and working programming including AC input, AC output, DC input, battery, load, charger current, battery

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The WI series power inverters output a pure sine wave similar to the waveform of the grid power. In a pure sine wave, the voltage rises and falls in a smooth fashion with very low harmonic distortion and cleaner utility-like power. This gives users stable enough power to operate tools, air conditioners, fans, lights, computers, and other electronics without any interference. Pure sine wave inverters are in many cases more efficient, allowing users to use less energy and allow for more device capability. The main advantage of pure sine wave inverters is that they are used to operate sensitive electronic devices that require high quality waveform with little harmonic distortion. Almost every electronic device could be powered using a pure sine wave inverter.

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User-Defined Working Modes - Tailoring Your Energy Solution

Utility Priority (AC First)

Reliable Power, Every Time

Experience uninterrupted power with our Utility Priority setting. In this mode, the inverter charger seamlessly connects to the utility, powering your loads using electricity from the shore supply. Here's what sets this mode apart:

Operation Overview:

  • Load Powering: The inverter draws power from the utility to meet your energy needs.
  • Battery Charging: With charging current max 30A charger(User-defined from 5A, 10A, 20A, 30A), the inverter charger efficiently charges the battery bank using the AC source.
  • Automatic Switching: During power outages, the system swiftly transitions to battery-powered mode, ensuring continuous power for your home.

Ideal Applications:

Home backup power systems designed for locations facing intermittent power failures for a few hours each day.

Markets We Serve:

Tailored for regions where power reliability is a concern, such as Thailand, Philippines, Nigeria, Senegal, Mali, Cameroon, Lebanon, Pakistan, Haiti, Venezuela, Chile, and more.

Battery Priority (DC First)

Sustainable Power, Anywhere

Optimize your energy independence with Battery Priority mode. Whether you're utilizing renewable energy sources or require power in remote areas, this mode offers versatility and efficiency:

Operation Overview:

  • Battery-Powered Operation: The inverter provides power directly from the connected battery bank, even when an AC source is detected.
  • Low Voltage Operation: When the battery voltage reaches a set low point, the inverter seamlessly switches to using the connected AC source.
  • Charge Control: Choose to set the charge current to 0A if you prefer not to charge the battery from the AC source.

Ideal Applications:

Perfect for renewable energy systems such as wind power and solar power systems, as well as transportation vehicles and trucks.

Markets We Serve:

Tailored for areas with abundant sunshine or remote locations, including Thailand, Philippines, Nigeria, Senegal, Mali, Cameroon, Lebanon, Pakistan, Haiti, Venezuela, Chile, and more.

 

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WI inverters come with a battery breaker according to users' requests.

 

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Warning print in the inverter for users or installers before installing the inverter.

WARNING:

l READ THE INSTRUCTION MANUAL BEFORE USING

l RISK OF ELECTRIC SHOCK. DO NOT REMOVE THE COVER. HAZARDOUS LIVE PARTS INSIDE

UNIT ENERGIZED FROM THE BATTERY SUPPLY EVEN WHEN A/C IS DISCONNECTED.

l NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICED PERSONEL.

l DO NOT COVER OR OBSTRUCT VENTS.

l DO NOT EXPOSE TO RAIN OR SPRAY.

l BATTERY POLARITY MUST BE CORRECT OR DAMAGE WILL RESULT.

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Why choose us?

A. Professional

Having been in the inverter and solar industry for over 10 years, MILE SOLAR understands what customers are caring about from solar manufacturing and exporting solar goods.

B. Strictly quality control

MILE SOLAR always keeps strictly controls the quality of our solar products from raw materials selection, production assembling, product testing, packing, and shipping. Each power inverter and other solar equipment is tested by its function before packing. 

C. Integrity, Honesty and Responsibility

MILE SOLAR take every customer's 

 

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FAQ

Q1: Can I have a sample/trial order for a test?

A: Yes, we accept sample order/trial orders for testing.

 

Q2: When will you deliver the goods?

A: 3-5 working days for sample order; 7-15 working days for quantity order after receiving the deposit payment.

 

Q3: Do you offer a guarantee for your solar products?

A: Yes, 18 months for inverter and inverter-related products including solar generator, solar inverter. 2 years for solar lights.

 

Q4: Can you do OEM/ODM?

A: Yes, we accept OEM/ODM orders for power inverters, solar inverters, MPPT solar controllers, solar generators, solar panels and solar lights.

Please send your detailed request to our sales specialist for the best quote.

 

Available Models

Specification WI-1KW WI-1.5KW WI-2KW WI-3KW WI-4KW WI-5KW WI-6KW WI-7KW WI-10KW WI-12KW
DC Voltage 12V/24V 12V/24V 12V/24V 24V/48V 24V/48V 48V 48V 48V 48V 48V
Rated Power 1KW 1.5KW 2KW 3KW 4KW 5KW 6KW 7KW 10KW 12KW

Technical Specifications

WI Series Power Inverter & Charger Technical Specifications
Model WI-1KW WI-1.5KW WI-2KW WI-3KW WI-4KW WI-5KW WI-6KW WI-7KW WI-10KW WI-12KW
Input Rated Power 1kW1.5kW2kW3kW4kW 5kW6kW7kW10kW12kW
Peak Power 3kW4.5kW6kW9kW12kW 15kW18kW21kW30kW36kW
AC Mains Voltage Range 220VAC: 165–275VAC   |   230VAC: 173–287VAC   |   110VAC: 83–137VAC   |   120VAC: 90–150VAC
Input Frequency Range 45–65Hz
Battery Compatible Battery Types Lithium battery, lead-acid battery, gel battery or customized battery
DC System Voltage 12V / 24V 24V / 48V 48V
Battery Input Voltage Range 12V system: 10.5–15VDC   |   24V system: 21–30VDC   |   48V system: 42–60VDC
Float-Charge Voltage 12.9–13.6V for each 12V battery unit
Low-Voltage Recovery 12V: 12.6–14.4VDC   |   24V: 25.2–28.8VDC   |   48V: 50.4–57.6VDC
Low-Voltage Shutdown 12V: 10VDC   |   24V: 20VDC   |   48V: 40VDC
Overvoltage Protection 12V: 16.5VDC   |   24V: 33VDC   |   48V: 66VDC
Overvoltage Alarm 12V: 15VDC   |   24V: 30VDC   |   48V: 60VDC
AC Charger AC Charging Current 0–30A, optional
Output Electric Motor Starting Capacity 0.5HP 1HP 1.5HP 2HP 3HP 4HP 5HP 6HP
Transfer Time ≤4ms
Temperature Protection Alarm at ≥85°C; automatic inverter shutdown at ≥90°C
Overload Protection Automatic shutdown if the load exceeds 120% of rated power for 10 seconds
Output Waveform Pure sine wave
Output Frequency 50/60Hz
Operating
Conditions
Operating Temperature −10°C to 70°C
Cooling Method Intelligent cooling fan: fast operation at ≥42°C and slow operation below 42°C
Dimensions
& Weight
Product Dimensions (L × W × H) 480 × 270 × 200mm 550 × 290 × 200mm 710 × 310 × 290mm
Package Dimensions (L × W × H) 540 × 310 × 250mm 620 × 320 × 250mm 760 × 360 × 350mm
Net Weight 12kg14kg15kg18kg22kg 25kg27kg49.5kg52kg56kg
Gross Weight 15kg17kg18kg21kg25kg 28kg30kg54kg56kg58kg
Battery voltage, AC charging current and input-voltage configuration may vary by model. Please confirm the required configuration before ordering.

How It Works

How the Off-Grid Inverter System Works

Solar energy is managed by the MPPT controller to charge the battery bank. The inverter converts stored DC energy into stable AC power for connected loads.

  1. Solar Panels
    Generate DC solar energy
  2. MPPT Controller
    Optimizes charging from the PV array
  3. Battery Bank
    Stores energy for later use
  4. AC Loads
    Receive converted AC power
Utility / Generator
Optional backup input, subject to final configuration

Applications

Home Solar & Backup

Home Solar & Backup

Stable solar and backup power for essential household loads.

Remote & Off-Grid Sites

Remote & Off-Grid Sites

Practical power for cabins, farms and locations with limited utility access.

Small Commercial Projects

Small Commercial Projects

Flexible power support for shops, offices and light commercial loads.

System Matching & Wholesale Support

MOQ: Model-specific
Sample and bulk-order quantity confirmed in quotation
OEM / ODM: Available
Branding, configuration and packaging support
Lead Time: Order-specific
Confirmed after model, quantity and customization review
Warranty: Model-specific
Final warranty terms follow the approved quotation
Documents: On request
Datasheet and available certification documents
Technical Support: Included
Pre-sales selection and after-sales assistance

Related Models

FAQ

The correct model depends on load power, battery-bank voltage, surge demand and operating time. Send us your load list and system requirement for model selection.

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