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Durasol Pure Sine Wave UPS DSW1250, DSW1450 – 12V | Reliable & Efficient Power Backup

The Durasol Pure Sine Wave UPS DSW1250 & DSW1450 – 12V is a high-performance, microcontroller-based power backup solution designed to provide uninterrupted, stable, and clean electricity for home appliances, IT equipment, and sensitive electronics.

With its pure sine wave output, this UPS ensures zero distortion and stable voltage levels, making it safe for computers, LED TVs, music systems, and other sophisticated appliances. The built-in advanced three-stage battery charging system (Boost, Absorption, Float) enhances battery lifespan and performance while ensuring fast charging and optimal power management.

The Durasol Pure Sine Wave UPS DSW1250 & DSW1450 – 12V delivers seamless power backup with instant changeover, intelligent battery management, and pure sine wave output, ensuring maximum efficiency and reliability for homes and offices.


1. Advanced Microcontroller-Based Design

  • Ensures real-time hardware control for enhanced efficiency and durability.

2. Pure Sine Wave Output for Maximum Stability

  • 100% regulated & stable voltage output, ideal for IT loads and sensitive electronics.

3. Intelligent Battery Management System (BMS)

  • Supports Tubular, VRLA, Li-ion, and Flat Plate batteries.
  • Three-stage charging mechanism (Boost, Absorption, Float) for longer battery life.

4. Instant Changeover Mechanism

  • Zero transfer time for uninterrupted operation, making it ideal for IT & security systems.

5. High Surge Handling Capability

  • Can handle mixed loads, making it suitable for homes, offices, and small businesses.

6. Dual Operating Modes for Versatility

  • W-UPS Mode: Wide input voltage range for standard appliances.
  • UPS Mode: Narrow input voltage range for IT loads & sensitive electronics.

7. Advanced Safety & Protection Features

  • Overload, short circuit, deep discharge, reverse polarity, and over-temperature protection.
  • Resettable circuit breaker for added safety.

8. LCD Display for Real-Time Monitoring

  • Displays battery voltage, load percentage, fault indications, and UPS mode.