just received this SMS
Cheer on Team India! ACT Fibernet is resetting your FUP tonight at NO EXTRA COST so you can enjoy World Cup in HD. Now shout out louder, WE WON'T GIVE IT BACK
Means UPS is able to takeup the load. What is the rating of batteries? You might need to change the batteries, as said earlier, backup duration depends entirely on batteries.
I will never use my phone to do any financial transactions. Always done my shopping on desktop only, discount or not. You never know what the app is doing
https://medium.com/@CodeTheDevil/busting-ola-wallet-1ceea6174b1f
Ideally if you put in the same rated/capacity batteries then it should deliver same performance
Amount of load it can take depends on the UPS(865W in your case), how long it can last depends on the battery capacity (rated in AH), so if the equipment is good, it might reach your expectation.