Description
Kweli Energy 1.8kWp-5kWh-4kVA Complete Smart Hybrid Solar Power System
The Kweli Energy 1.8kWp-5kWh-4kVA Complete Smart Hybrid Solar Power System provides dependable day and night electricity for homes, offices, shops and small businesses.
During the day, the 1.8kWp solar array powers connected appliances and charges the 5kWh lithium battery. At night, during cloudy periods or whenever grid electricity is unavailable, stored battery energy keeps essential appliances operating.
The 4kVA pure sine wave hybrid inverter automatically manages energy from solar, the battery, the grid and a compatible generator. This allows the system to switch between available power sources without requiring manual intervention.
WiFi app monitoring provides remote visibility of solar production, battery status, energy consumption and overall system performance.
With an estimated solar yield of 6-8kWh per day under suitable conditions, the system can reduce dependence on the grid, lower generator fuel consumption and provide more consistent electricity for essential loads.
What This System Can Power
The system can support a practical combination of essential appliances such as:
- LED lights
- Television and decoder
- Energy-efficient refrigerator
- WiFi router
- Laptops and phone chargers
- Desktop computer
- Fans
- CCTV system
- Printer
- Sound system
- Small office equipment
- Other low-to-medium-power appliances
The appliances that can run simultaneously and their operating time depend on their wattage, starting surge, daily usage and the battery charge available.
High-power heating appliances should not be assumed to operate together with the recommended essential loads.
Complete System Components
Solar Generation Equipment
- Solar panels with a combined rated capacity of 1.8kWp
- Solar-panel mounting structure
- Solar DC cabling
- Solar connectors and installation accessories
Battery Storage
- 5kWh Grade-A cell lithium battery
- More than 6,000 charge cycles
- Integrated battery management system
- Battery connection cables and protection
Power Conversion
- 4kVA smart hybrid inverter
- Pure sine wave AC output
- Integrated solar charge controller
- Solar, battery, grid and generator operation
- Automatic source selection and switchover
- Configurable solar-first operating priorities
Monitoring
- WiFi monitoring module
- Compatible mobile monitoring application
- Remote solar-production monitoring
- Battery-status monitoring
- System-performance and fault visibility
Safety and Protection
- DC solar breakers and isolators
- AC breakers and isolators
- AC and DC surge protection
- Appropriately sized electrical cables
- Protection enclosures
- Earthing components as required by the installation
Technical Specifications
Overall System
| Specification | Details |
|---|---|
| Brand | Kweli Energy |
| System Type | Complete Smart Hybrid Solar Power System |
| Solar Array Capacity | 1.8kWp |
| Estimated Daily Solar Yield | 6-8kWh |
| Battery Capacity | 5kWh |
| Battery Type | Grade-A cell lithium battery |
| Battery Cycle Life | More than 6,000 charge cycles |
| Inverter Capacity | 4kVA |
| Inverter Output | Pure sine wave |
| Monitoring | WiFi app monitoring |
| Source Switching | Automatic |
| Supported Sources | Solar, battery, grid and compatible generator |
| Application | Homes, offices, shops and small businesses |
Solar Array
| Specification | Details |
| Total Rated Solar Capacity | 1.8kWp |
| Estimated Daily Production | Approximately 6-8kWh |
| Primary Function | Power daytime loads and charge the battery |
| Mounting Options | Suitable roof or ground mounting |
| System Voltage | Matched to the supplied hybrid inverter |
Actual solar production depends on weather, sunlight hours, shading, panel orientation, temperature, installation angle and system losses.
Lithium Battery
| Specification | Details |
| Nominal Energy Capacity | 5kWh |
| Cell Quality | Grade-A cells |
| Battery Technology | Lithium |
| Cycle Life | More than 6,000 charge cycles |
| Battery Management | Integrated BMS |
| Primary Function | Night-time power and outage backup |
| Charging Sources | Solar and compatible AC input |
| Maintenance | Low maintenance |
Usable battery energy may be lower than the nominal 5kWh capacity depending on the configured depth of discharge, battery-protection settings, operating temperature and conversion losses.
Hybrid Inverter
| Specification | Details |
| Rated Capacity | 4kVA |
| Inverter Type | Smart hybrid inverter |
| Output Waveform | Pure sine wave |
| Solar Charging | Supported |
| Grid Charging | Supported |
| Generator Charging | Supported with a compatible generator |
| Source Management | Automatic |
| Operating Priority | Configurable solar, battery and utility priorities |
| Remote Monitoring | WiFi app monitoring |
Monitoring and Control
| Specification | Details |
| Communication Method | WiFi |
| Monitoring Platform | Compatible mobile application |
| Solar Production Monitoring | Supported |
| Battery Status Monitoring | Supported |
| Load and Consumption Visibility | Subject to supported inverter data |
| Fault and System Status | Remotely viewable through the app |
| Internet Requirement | Active WiFi internet connection at the site |
How the System Works
- Solar energy powers connected appliances during the day.
- Available excess solar energy charges the lithium battery.
- The battery supplies stored electricity at night or during outages.
- The system automatically uses grid or generator power when solar and battery energy are insufficient.
- When solar or battery energy becomes available again, the inverter follows the configured source priority.
- WiFi app monitoring provides remote visibility of system production and performance.
Understanding the System Ratings
1.8kWp Solar Array
This is the combined rated power of the solar panels. It determines how much solar power the system can produce at a given moment under suitable sunlight.
6-8kWh Daily Solar Yield
This is the estimated amount of solar energy the panels can generate during a suitable day. Actual production varies with weather and installation conditions.
5kWh Lithium Battery
This is the battery’s nominal energy-storage capacity. It determines how much energy can be stored for use at night, during cloudy periods or during power outages.
4kVA Hybrid Inverter
This is the inverter’s rated apparent-power capacity. It determines the maximum combined appliance load that the system can support at one time, subject to power factor and appliance starting surge.
Best For
- Homes requiring reliable electricity for essential appliances
- Offices operating computers, internet equipment and lighting
- Shops requiring uninterrupted lighting and payment systems
- Small businesses seeking stable everyday power
- Customers experiencing frequent grid outages
- Customers seeking to reduce generator running time
- Properties requiring automatic backup power
- Users who want remote system visibility through a mobile app
What to Consider Before Buying the Kweli Energy 1.8kWp-5kWh-4kVA Complete Smart Hybrid Solar Power System
- Combined appliance load: The total appliances operating at the same time must remain within the inverter’s supported continuous and surge capacity.
- Battery runtime: Backup duration depends on the total connected load. Lower consumption provides longer battery autonomy.
- Daily energy demand: The estimated 6-8kWh solar yield should be compared with the property’s actual daily electricity consumption.
- Refrigerator starting surge: Refrigerators, pumps and other motor-driven appliances can briefly require more power when starting.
- High-power appliances: Electric cookers, kettles, water heaters, air conditioners, large pumps, welding machines and similar appliances may require a larger system or controlled operation.
- Site conditions: Solar production depends on panel orientation, installation angle, roof space, shading and local weather.
- WiFi availability: Remote app monitoring requires a reliable WiFi internet connection at the installation site.
- Generator quality: A connected generator must provide voltage, frequency and power quality compatible with the inverter.
- Installation cost: Installation is charged separately and depends on the roof, mounting method, cable distances, distribution requirements, protection and earthing.
Installation and Commissioning
Professional installation by Kweli Energy is available at an additional cost.
Installation may include:
- Site assessment and load confirmation
- Solar-panel mounting
- Inverter and battery installation
- AC and DC electrical wiring
- Electrical protection
- Earthing
- System programming
- WiFi app configuration
- Testing and commissioning
- Customer training
- Post-installation technical support
The final installation scope and cost are confirmed after evaluating the site and the customer’s expected electrical loads.
Why Buy from Kweli.shop?
Buy from Kweli.shop for genuine solar equipment, standard warranty coverage, delivery to eligible destinations and lifetime after-sales support.
Kweli Energy can also provide professional system assessment, installation, commissioning, monitoring setup and ongoing technical support to help ensure that the complete system operates safely, reliably and efficiently.
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