laptop battery backup and charge time??

[amila.ela]

laptop battery ekaka back up time eka hours kiyada?
charge wenna kocchar wela yanwada?

 

[sanzilla jackcat]

I'm running acer 4741 around 2 1/4 hrs.

 

[jmrox]

lap top mama gaawa desktop 1k machoo thiyenne.... onna bump 1kdunna

 

[jnuwan]

1 1/2 hrs

 

[SLSUN]

peya 2 ban CQ42 hp