SNA 3–6K – Off-Grid Battery Storage Inverter (Single Phase)
Reliable Energy Independence for Homes, Farms & Remote Applications
Structure & Highlights
The SNA 3–6K is a compact, robust off-grid inverter designed for independent solar power systems. It combines solar charging, inverter conversion, and battery management into a single unit, delivering consistent AC power without grid dependency.
This system is ideal for areas with unreliable electricity supply or no grid access. With its intelligent MPPT solar charge controller, powerful output, and broad battery compatibility, it enables seamless energy usage from solar and batteries around the clock.
Highlights:
✅ All-in-one inverter, charger, and MPPT controller
✅ Compatible with lead-acid and lithium batteries
✅ Easy-to-install wall-mounted enclosure
✅ True off-grid operation: no grid connection needed
✅ Real-time LCD display and monitoring
Technical Specifications
| Feature | SNA 3K | SNA 5K | SNA 6K |
|---|---|---|---|
| Rated Output Power | 3000W | 5000W | 6000W |
| Output Voltage | 230V AC ±5%, 50Hz | 230V AC ±5%, 50Hz | 230V AC ±5%, 50Hz |
| AC Output Waveform | Pure Sine Wave | Pure Sine Wave | Pure Sine Wave |
| Solar Charge Controller Type | MPPT | MPPT | MPPT |
| Max PV Input Power | 4000W | 6000W | 7000W |
| Max PV Voltage | 145V DC | 145V DC | 145V DC |
| MPPT Voltage Range | 60V–115V DC | 60V–115V DC | 60V–115V DC |
| Battery Voltage | 24V DC | 48V DC | 48V DC |
| Max Charging Current (AC+Solar) | 80A | 120A | 120A |
| Battery Types Supported | Lithium / Lead-acid | Lithium / Lead-acid | Lithium / Lead-acid |
| Display | LCD + LED indicators | LCD + LED indicators | LCD + LED indicators |
| Communication Ports | RS485 / CAN / Wi-Fi (optional) | RS485 / CAN / Wi-Fi (optional) | RS485 / CAN / Wi-Fi (optional) |
| Enclosure Protection | IP21 (Indoor use) | IP21 (Indoor use) | IP21 (Indoor use) |
| Cooling | Intelligent Fan Cooling | Intelligent Fan Cooling | Intelligent Fan Cooling |
| Dimensions (mm) | ~400 × 300 × 120 | ~470 × 320 × 135 | ~470 × 320 × 135 |
| Weight | Approx. 10–12 kg | Approx. 12–14 kg | Approx. 14–16 kg |
| Warranty | 5 Years (extendable) | 5 Years (extendable) | 5 Years (extendable) |
Application
Core Features
✅ Residential homes in rural/remote areas
✅ Farms, plantations, and eco-resorts
✅ Small clinics or schools in off-grid zones
✅ Emergency backup systems for homes
✅ Solar rooftops without grid connectivity
✅ High-Efficiency MPPT: Ensures optimal solar energy harvesting
✅ Smart Battery Support: Works with both lithium and lead-acid batteries
✅ Integrated System: Combines inverter + charger + MPPT in one unit
✅ Automatic Load Management: Prioritizes solar > battery > generator
✅ Multiple Protections: Overload, short circuit, reverse polarity, over-temp
✅ Optional Remote Monitoring: Track your system via mobile app or portal
🔌 How SNA 3–6K Powers Your Home
The SNA 3–6K provides full autonomy from the power grid. It allows you to:
✅ Store excess solar energy during the day
✅ Power lights, fans, TVs, fridges, and other household loads at night
✅ Run your home completely on solar + battery even in power-cut zones
✅ Eliminate dependency on diesel generators
✅ Reduce electricity bills and gain energy independence