The Meanwell TN-1500 is a Pure Sine Wave Inverter Backup System.
Designed for Home or Office, Power Tools or Portable Equipment with many unique features :

True Sine Wave Output
Power Saving Solar or UPS Mode
No Petrol or Diesel required
Maintenance free, with a fast smooth automatic change over in <10mSec
Powerful Output 1500 Watt continuous,
Semi-Sealed lead Calcium battery,
Dual AC output via multi sockets,
Resettable output circuit breaker, Excellent output regulation
Suitable for solar application with built in internal regulator,
Excellent protection features,
Built in 25 Amp Charger for built systems