I learned a big lesson now

if you don't use it, 30% should be enough until morning and you could charge it.this must be very disappointing that the battery is exhausted easily and you couldn't deal with it..

That makes no sense. Samsung should better the quality of it's tablet so you won't have to go through all that trouble. What if you leave it and forget about that small detail. Would you have to keep going to the store every time you make that mistake? Too much of a hassle might as well just stick to a laptop

Yes this is the problem with Samsung. The battery could not last long if the internet line is on 'ON' mode. Every night I have to switch off the internet as the battery could not sustain. Before the battery is exhausted I have to charge it otherwise it would take a long time to go online.

I really like all the products that come out of the Samsung camp, Samsung is just sexy to me. Is that weird, that I think a "product" is sexy?? Nothing from Apple makes me feel that way, that's for sure...anyway, moving on... I have had somewhat of a similar experience with my laptop. I accidentally let the battery run out before I plugged it back in, that caused me to have a few problems with it. Lesson learned. Hope everything is good with your P6800.