I have been using zebronics ups U725 for three years. Ups not yet get complainted. Still working. Thats why I am giving 3 stars. I am using this product as a supporter to my computer. It protecting it from sudden voltage issues.
Advantages are: -1. Over load charging protection .2. Sleep mode charging.3. Led indicator .4. Micro controller based.
Also have disadvantages: -1. Battery backup is not satisfactory.2. Backup available only 5-10 minitues when connected with wifi.These are the problems.