DS1370 rtc

hello i want to know about rtc backup battery because my ds1370 ic after time updating it was unable run when i power off my primary supply i m using lithium battery CR2025 bt it was not running then i change battery CR2032 bt nw it was also not able to get backup so can any body help me on these topic ....is it depend on battery current is it effect............plz give me solution..........

Hi pushujgd,
IF you want we ll help you then tell me some question first or we can say detail of your project.

  1. which MCU you are using??
  2. what is the connection diagram for MCU- DS(IC)- Battery??
  3. Main and most important thing what you want by your hardware???