7000 BDT for Prolink 901S Double Conversion Online UPS . You have to change the battery. this needs two 12V typical UPS Battery.
2 usually cost about 2200 BDT.
Online UPS is fundamentally different than any other line interactive that you see in local stores. Suitable for High end Gaming PCs. If you are not aware of the difference then you probably don't need this.
Price fixed. Bought it for 19K about 3 years ago.
Will give 5 days money back warranty if there is any issue with the UPS.
Call/Text 01726400211