• Low frequency type inverter
• Pure Sine Wave output
• Intelligent digital LED display screen
• Built-in 20A AC charger
• Based on transformer technology, suitable for all kinds of home/office equipment
• Multiple safe protections: over load protection, low voltage protection, over voltage protection, high temperature protection, short circuit protection
• 3 times surge power, strong loading capability
• High-strength & durable metal shell
• Smart Circuit Board