1200W 12V 24V Pure Sine Wave Off Grid Inverter with MPPT Controller RS485 Communication Supports Lithium Battery
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Keep essential power flowing with the ONE INVERTER 1200W Pure Sine Wave Off-Grid Inverter, a compact hybrid solar power solution for homes, small offices and selected light-duty applications. Designed for 12V or 24V DC battery systems, it converts stored battery energy into stable AC power while its built-in MPPT controller helps you get more from your solar panels. The bold yellow wall-mount enclosure, clear LCD screen and straightforward front controls make it a practical choice for managing backup or off-grid electricity with confidence. It supports SLA, AGM, Gel and lithium-ion batteries, giving you useful flexibility when planning or upgrading a solar system.
Key Features & Benefits
- 1200W pure sine wave output delivers clean AC power suited to sensitive electronic equipment and everyday essential loads.
- 12V/24V DC input compatibility gives installers and system builders flexibility to match the inverter to the battery-bank voltage.
- Integrated MPPT solar controller with up to 99% MPPT efficiency helps optimise available solar energy for more effective battery charging.
- Broad battery compatibility supports SLA, AGM, Gel and Li-ion battery types, including lithium battery setups.
- Fast transfer time of up to 5ms helps minimise disruption when the power source changes.
- Easy-to-read LCD and LED status display puts key solar, battery and load information at a glance.
- Front-panel buttons and on/off control make everyday monitoring and menu navigation simple from the unit itself.
- RS485 communication, with WiFi and external display options, supports convenient system monitoring and expanded control possibilities.
- Adjustable output current from 0-15A provides added control for configuring an appropriate output setup.
- Built-in protection functions for short circuit, overload, overvoltage and over-temperature help protect the inverter during operation.
Design & Build
This HSI Plus hybrid solar inverter has a highly visible yellow-finished enclosure with contrasting black mounting brackets and black control panel. Its compact 40 x 30 x 14.5cm format is designed for wall installation, with keyhole-style mounting points visible on both sides for a neat, secure setup. The front LCD combines graphic system icons, bright digital readouts and PV, AC, inverter and fault indicator lights, while the side ventilation grille and lower cooling fan area support airflow around the unit. At 10kg, it has a solid, purpose-built presence for fixed solar power installations.
Ideal For
This 1200W off-grid inverter is ideal for solar backup systems in homes, flats, small offices, guard rooms, workshops and remote sites. Use it as part of a correctly designed battery-and-solar setup for essential lighting, routers, selected electronics and other compatible loads. The product imagery also shows its role as a central connection point between solar power, battery storage, utility input and home appliances, making it a versatile option for compact hybrid energy installations.
Why Buy From BestDealz
BestDealz makes sourcing specialised solar and electrical products easier for South African buyers. We focus on practical products for local business, trade and project needs, helping you access dependable import solutions without the usual sourcing complexity. Shop with confidence knowing you are buying through a trusted South African B2B sourcing partner.
Choose the ONE INVERTER 1200W pure sine wave solar inverter for a smarter, more manageable off-grid or backup power setup. Add it to your solar project today and take a confident step towards energy independence.
Product Gallery
Technical specifications
| Output Type | Single |
|---|---|
| Type | DC/AC Inverters |
| Inverter Efficiency | 85% |
| Input Voltage | 12/24VDC |
| Output Voltage | 110/120/220/230/240VAC |
| Output Current | 0-15A adjustable |
| Output Frequency | 50Hz/60Hz |
| Size | 40x30x14.5cm |
| Weight | 10kgs |
| Brand name | ONE INVERTER |
| Application | Solar Power System Home/office/industry |
| Communication | RS485/WiFi /External display(optional) |
| Color | Yellow |
| Battery type | SLA/AGM/Gel/Li-ion |
| Display | LCD+LED |
| MPPT Efficiency | 99 % |
| Transfer Time | ≤5ms |
| Protection | Short Circuit/Overload/Overvolt/Overtemp |
| Warranty | 12 months |
| Single package size | 49X38X21 cm |
| Single gross weight | 11.0 kg |
| SKU | 1600296348222 |
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Shipping & logistics
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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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