UPS without battery. Fully tested. It has extra wires pulled out for connecting a cooling fan and a large battery. You can use this to power your home lines. It can run three fans and three lights. It provides automatic power backup when the electricity goes out. Economical price. This UPS can be used as an IPS on a low budget. Products are sent via courier service to any part of Bangladesh. If you install a large battery, you will need to buy a separate charger for the battery.