Battery drop from 50% to 7%

[Tomtom1978]

I got replace your battery message ,bought replacement battery,calibrate it,worked fine for about 3 charging,then suddenly drops from 50% to 7%,i installed battery care and i see that total capacity is lower and lower each time i charge the battery..I unninstaled acpi ,same thing,calibrate again,same thing,what should I do?!laptop is Toshiba satellite L675-120 running on windows 7..
Thanks

 

[06yfz450ridr]

seems like a bad battery. have you see if there is a new battery firmware available online?

 

[Nicky AB]

Well try to get the battery replaced and try to charge it up to 100%.