Factory Price HSI Plus Series Solar Inverter Mppt Solar Inverter 1kw 2kw 3kw 4kw 5kw OEM Solar Panel Inverter
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Keep essential home power systems running with the HSI Plus pure sine wave solar inverter, designed to convert DC battery and solar energy into usable AC electricity. It is a practical choice for homeowners building or upgrading a solar power and backup solution. The bright yellow wall-mountable unit has a clear front LCD screen, putting key operating information and settings within easy view. With a pure sine wave output, it is suited to supplying smooth power for compatible household loads.
Key Features & Benefits
- Pure sine wave output delivers clean, stable AC power for compatible home appliances and sensitive electronic equipment.
- 12V/24V DC input compatibility supports solar and battery system configurations built around either input voltage.
- 90% inverter efficiency helps make effective use of stored battery energy when powering your home system.
- LCD status display presents system information clearly, helping you monitor operation at a glance.
- Front-button controls provide convenient access to menu navigation and inverter settings from the face of the unit.
- Single-phase AC output is designed for residential solar power applications, with specified 110/120/220/240V output options and 50/60Hz frequency support.
- 20A output current provides dependable capacity for suitably matched loads in a home solar setup.
- Dedicated connection area on the rear includes clearly marked solar input, AC input, AC output and battery terminals for organised system installation.
- Integrated cooling fan and side ventilation support airflow around the inverter during operation.
- One-year warranty adds welcome confidence when investing in your solar power system.
Design & Build
The HSI Plus inverter stands out in a high-visibility yellow finish with contrasting black mounting brackets, rear connection panel and front control surround. Its slim rectangular enclosure measures 410 x 282 x 150mm and weighs 11.2kg, creating a substantial, purpose-built unit for fixed installation. The photos show multiple mounting slots on both side brackets, while the front panel combines indicator lights, a colour LCD readout, on/off control and tactile navigation buttons in one neat layout. At the rear, labelled terminals, red and black battery connectors, a large fan grille and an RS485 communication port are visibly arranged for a clean, accessible installation. The illustrated installation guidance indicates indoor placement, protected from direct sunlight and rain.
Ideal For
This solar inverter is ideal for home solar power systems, household backup installations and residential energy projects where battery-stored DC power needs to be converted to single-phase AC power. It is well suited to installers, electricians, solar resellers and property owners planning a properly matched indoor inverter, battery and solar panel setup. Always ensure the selected voltage configuration and load requirements are suitable for your installation.
Why Buy From BestDealz
BestDealz makes sourcing solar and electrical products simpler for South African buyers. We focus on practical products for local homes and businesses, with straightforward product information and hassle-free import support for B2B buyers, installers and growing energy projects.
Choose the HSI Plus solar inverter for clear monitoring, pure sine wave performance and a smart foundation for your home backup power solution. Add it to your solar system plans today.
Product Gallery






Technical specifications
| Output Type | Single |
|---|---|
| Type | DC/AC Inverters |
| Inverter Efficiency | 90% |
| Input Voltage | 12/24V |
| Output Voltage | 110/120/220/240V |
| Output Current | 20A |
| Output Frequency | 50/60Hz |
| Size | 410*282*150mm |
| Weight | 11.2kg |
| Color | Yellow |
| Display | LCD |
| Application | Solar Power System Home |
| Warranty | 1 year |
| Wave Form | Pure Sine Wave |
| Single volume | 0 cm³ |
| Single gross weight | 0.0 kg |
| SKU | 1600181619689 |
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What's included
- Factory pickup: Our Shenzhen agent collects from supplier's warehouse
- Sea freight: FCL or LCL via verified carriers
- SARS clearance: Customs duties + 15% VAT pre-paid
- SA last-mile: Door-to-door via Aramex, Courier Guy or your carrier
- Insurance: 110% CIF cargo cover included
Sea freight (standard)
| Production lead time | 15–20 days |
|---|---|
| Sea freight (Shenzhen → Durban) | 20–24 days |
| SARS clearance | 3–5 business days |
| SA last-mile delivery | 1–3 business days |
| Total door-to-door | 60–70 business days |
| Estimated arrival | 27 Sep, 2026 |
Warranty & returns
Each unit ships with the manufacturer's warranty as disclosed by the supplier. Trade Assurance covers any pre-shipment defects.
Trade Assurance dispute resolution
If goods don't match the agreed spec or arrive damaged, raise a dispute via your BestDealz dashboard within 30 days. Funds remain held under Trade Assurance until both parties agree on resolution.
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