Voltage Regulator, Automatic Voltage Regulator, AC Voltage Stabilizer manufacturer / supplier in China, offering Switching Regulated Power Supply Automatic Voltage Regulator AVR 100kVA, 3000va/2400W 220V 12V 9ah Battery Sine Wave 0.8 Power Factor Surge Protector AC to DC Router Offline Backup Metal UPS in Stock, 4 Pieces in 1 Carton Package Modified Pure Sine Wave Digital Offline Interactive UPS 2000va 2000V/1200W with PCB Built in Battery (12V 9Ah*2) and so on.