Like new/never used. This unit is the larger 2350 (24V) heavy-duty pure sine wave edition. This unit operates on a 24V double-battery system. Pure Sine Wave, it can safely power sensitive home electronics, office hardware, and small motor-driven kitchen appliances without risk of damage. You can easily distribute the 1600W limit across basic lifestyle essentials: • Fans: 4 to 5 ceiling fans (~350W total) • Lighting: 10 to 15 LED lights or bulbs (~150W total) • Entertainment: 1 Large LED TV + Android box or Soundbar (~150W) • Work/Utility: 2 Laptops, 1 Wi-Fi Router, and phone chargers (~150W) • Refrigeration: 1 Inverter-style domestic refrigerator (~300W–400W running load) • Total Active Load: ~1200 Watts (Safely below the 1600W max limit, ensuring high efficiency). Price negotiable