Laptop Battery Acer AS07A41 or AS07A42 Original 1 Yr. Wrty.

Laptop Battery Acer AS07A41 or AS07A42 Original 1 Yr. Wrty.
Rs.2,868

What is the UPS of a computer? How does it work?

UPS is Power Backup for your PC, when your mains power goes off, PC takes power from The UPS and when mains comes back it switches back to Mains. UPS is very Similar to Your Home Inverter but provides superior quality of power for your PC than a normal inverter.