The KSTAR UA300 Line-Interactive UPS is a high-capacity 3000VA / 1800W backup power solution designed for home offices, small businesses, networking systems, and desktop workstation protection. It provides reliable power backup and voltage stabilization for sensitive electronics during outages and fluctuations.


$155.00 
  • Brand: KSTAR
  • SKU: KSTAR-UA300-3000VA
  • Shipping: 
  • Return Policy: We accept returns within 7 days of delivery for items that are unused, in their original packaging, and include all accessories. Some products may be non-returnable; please refer to the product page for specific details. To initiate a return, contact our Customer Support.


Product Description


The UA300 features a simulated sine wave output, making it compatible with most PCs, routers, and office equipment. It includes an LCD display for real-time monitoring of battery status, load level, and system conditions.

With 4 × 12V / 9Ah batteries, this UPS provides extended backup time suitable for multi-device setups. Additional functions include fast charging technology and auto-restart capability, ensuring the system resumes operation automatically once power is restored.

Multiple output sockets allow simultaneous connection of PCs, monitors, and network equipment, making it a practical solution for medium-load environments.


Key Features

  • 3000VA / 1800W Line-Interactive UPS – High-capacity power backup
  • AVR (Automatic Voltage Regulation) – Stabilizes voltage fluctuations
  • Simulated Sine Wave Output – Compatible with most IT equipment
  • LCD Status Display – Real-time monitoring of system status
  • Fast Charging System – Reduced downtime after discharge
  • Auto Restart Function – Automatic recovery after power returns
  • 4 Output Sockets – Supports multiple devices
  • 4 × 12V / 9Ah Batteries – Extended backup runtime