if you look on battery label it says 3.0 to 2.4 dc v b1.4 to 1.9 a if you test battery with multi meter and your battery is 1.55 and other is 1.55 add both together your over by .10 so make sure battery voltage says 1.2 v on battery that way you should be in 2.4 v to 3 v top and if that don't work in many cameras there is a small battery that powers display time memory and charge might need to be replace c heck online youtube you will see what i mean