1. Peak output power (peak):300W 2. Input voltage range:DC10-14.8V3. Output voltage range:AC 230V 4. Output frequency:50+/-3Hz 5. Output waveform:Modified sine wave 6. Optimum efficiency:>90.5%7. No load current draw:14.8V9. Input under voltage shutdown:200W 11. Over heat protect:>65 degree12. Cooling fans : Yes producing area:China