The Yongfa 3000VA (3 kVA) solar power inverter is a DC-to-AC power converter designed to provide backup or off-grid electricity by converting battery power (typically 12 V DC) into usable AC mains power (≈ 230 V AC)
Specifications
- • ~3000 W / 3000 VA (peak power may be higher but rated continuous output is ~3000 W) 
- 🔹 DC Input (Battery):
- • 12 V DC nominal input voltage 
- 🔹 AC Output:
- • Output voltage: ~220 – 230 V AC (Nigeria standard) 
- • Output frequency: ~50 Hz 
- 🔹 Output Waveform:
- • Modified sine wave (not pure sine) 
- 🔹 Output Current:
- • ~10 A output current at full load (12 V → 230 V) 
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- ⚙️ Performance & Protection
- ✔ High Conversion Efficiency — improved energy transfer from battery to AC load. 
- ✔ Smart Soft-Start — smoother startup for heavier appliances. 
- ✔ Multiple Safety Protections:
- • Overload protection
- • Over-temperature protection
- • Input overvoltage protection
- • Short-circuit protection
- • Reverse polarity protection (on some units) 
- ✔ Cooling System:
- • Integrated cooling fan controlled by workload. 
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- 📏 Physical / Miscellaneous
- Dimensions: ~312 × 130 × 62 mm (approximate from listing, may vary) 
- Weight: ~1.4 kg (varies by specific model) 
- Sockets: Often universal AC sockets to support various plug types. 
